{"id":20237,"date":"2025-07-07T15:25:07","date_gmt":"2025-07-07T08:25:07","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=20237"},"modified":"2025-07-09T05:35:33","modified_gmt":"2025-07-08T22:35:33","slug":"cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/","title":{"rendered":"Cacbon dioxit (CO2) l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t, c\u00e1ch \u0111i\u1ec1u ch\u1ebf, \u1ee9ng d\u1ee5ng v\u00e0 b\u00e0i t\u1eadp chi ti\u1ebft"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#_Dinh_nghia_cacbon_dioxit_la_gi\" >\u00a0\u0110\u1ecbnh ngh\u0129a cacbon dioxit l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Tinh_chat_vat_ly_cua_cacbon_dioxit\" >T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a cacbon dioxit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Tinh_chat_hoa_hoc_cua_cacbon_dioxit\" >T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a cacbon dioxit<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Cacbon_dioxit_tan_trong_nuoc_tao_thanh_axit_cacbonic_la_mot_diaxit_rat_yeu\" >Cacbon dioxit tan trong n\u01b0\u1edbc t\u1ea1o th\u00e0nh axit cacbonic (l\u00e0 m\u1ed9t \u0111iaxit r\u1ea5t y\u1ebfu)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Cacbon_dioxit_tac_dung_voi_dung_dich_bazo\" >Cacbon \u0111ioxit t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch baz\u01a1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Cacbon_dioxit_tac_dung_voi_oxit_bazo\" >Cacbon \u0111ioxit t\u00e1c d\u1ee5ng v\u1edbi oxit baz\u01a1<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Dieu_che_cacbon_dioxit\" >\u0110i\u1ec1u ch\u1ebf cacbon dioxit<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Dieu_che_cacbon_dioxit_trong_phong_thi_nghiem\" >\u0110i\u1ec1u ch\u1ebf cacbon dioxit trong ph\u00f2ng th\u00ed nghi\u1ec7m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Dieu_che_cacbon_dioxit_trong_cong_nghiep\" >\u0110i\u1ec1u ch\u1ebf cacbon dioxit trong c\u00f4ng nghi\u1ec7p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Ung_dung_cua_cacbon_dioxit\" >\u1ee8ng d\u1ee5ng c\u1ee7a cacbon dioxit<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Ung_dung_cua_CO2_trong_cong_nghiep\" >\u1ee8ng d\u1ee5ng c\u1ee7a CO2 trong c\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Ung_dung_cua_CO2_trong_y_te\" >\u1ee8ng d\u1ee5ng c\u1ee7a CO2 trong y t\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Ung_dung_cua_CO2_trong_doi_song\" >\u1ee8ng d\u1ee5ng c\u1ee7a CO2 trong \u0111\u1eddi s\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Ung_dung_cua_CO2_trong_cong_nghe_thuc_pham\" >\u1ee8ng d\u1ee5ng c\u1ee7a CO2 trong c\u00f4ng ngh\u1ec7 th\u1ef1c ph\u1ea9m<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Khi_CO2_co_doc_khong_va_nhung_luu_y_khi_su_dung\" >Kh\u00ed CO2 c\u00f3 \u0111\u1ed9c kh\u00f4ng v\u00e0 nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Anh_huong_den_moi_truong\" >\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Anh_huong_den_suc_khoe_con_nguoi\" >\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Cach_xu_ly_khi_bi_ngo_doc_CO2\" >C\u00e1ch x\u1eed l\u00fd khi b\u1ecb ng\u1ed9 \u0111\u1ed9c CO2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Bao_quan_khi_CO2\" >B\u1ea3o qu\u1ea3n kh\u00ed CO2<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Bai_tap_ve_cacbon_dioxit_SGK_Hoa_hoc_9_kem_loi_giai\" >B\u00e0i t\u1eadp v\u1ec1 cacbon dioxit SGK H\u00f3a h\u1ecdc 9 k\u00e8m l\u1eddi gi\u1ea3i<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Bai_tap_1_trang_87_SGK_Hoa_9\" >B\u00e0i t\u1eadp 1 (trang 87 SGK H\u00f3a 9)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Bai_tap_2_trang_87_SGK_Hoa_9\" >B\u00e0i t\u1eadp 2 (trang 87 SGK H\u00f3a 9)\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.ckconitsha.com\/vn\/cacbon-dioxit-co2-la-gi-tinh-chat-cach-dieu-che-ung-dung-va-bai-tap-chi-tiet\/#Bai_tap_3_trang_87_SGK_Hoa_9\" >B\u00e0i t\u1eadp 3 (trang 87 SGK H\u00f3a 9)\u00a0\u00a0<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>Carbon dioxit (CO2) l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn r\u1ed9ng r\u00e3i, c\u00f3 nhi\u1ec1u trong kh\u00ed quy\u1ec3n tr\u00e1i \u0111\u1ea5t. V\u1eady cacbon dioxide l\u00e0 g\u00ec? C\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u00ecm hi\u1ec3u t\u00ednh ch\u1ea5t, c\u00e1ch \u0111i\u1ec1u ch\u1ebf, \u1ee9ng d\u1ee5ng v\u00e0 b\u00e0i t\u1eadp chi ti\u1ebft v\u1ec1 lo\u1ea1i h\u1ee3p ch\u1ea5t quen thu\u1ed9c n\u00e0y.<\/p>\n<p>                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/image\/600x480.png\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"_Dinh_nghia_cacbon_dioxit_la_gi\"><\/span>\u00a0\u0110\u1ecbnh ngh\u0129a cacbon dioxit l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Cacbon dioxit hay cacbonic oxit (c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi nhi\u1ec1u t\u00ean g\u1ecdi kh\u00e1c nh\u01b0 th\u00e1n kh\u00ed, anhydride carbonic, kh\u00ed cacbonic) l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc \u1edf d\u1ea1ng kh\u00ed c\u00f3 trong kh\u00ed quy\u1ec3n Tr\u00e1i \u0110\u1ea5t trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng. Cacbon dioxit bao g\u1ed3m m\u1ed9t nguy\u00ean t\u1eed cacbon v\u00e0 hai nguy\u00ean t\u1eed oxy. Khi \u1edf d\u1ea1ng r\u1eafn, cacbon \u0111ioxit c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u0103ng kh\u00f4 ho\u1eb7c \u0111\u00e1 kh\u00f4.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cacbon-dioxit-1.jpg\" alt=\"Cacbon dioxit (CO2) l\u00e0 g\u00ec? (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc: CO2<\/li>\n<li dir=\"ltr\" role=\"presentation\">Ph\u00e2n t\u1eeb kh\u1ed1i: 44<\/li>\n<li dir=\"ltr\" role=\"presentation\">C\u1ea5u t\u1ea1o ph\u00e2n t\u1eed:\u00a0<\/li>\n<\/ul>\n<p dir=\"ltr\">Trong ph\u00e2n t\u1eed CO2, m\u1ed7i nguy\u00ean t\u1eed cacbon \u0111\u01b0a 4 electron tham gia li\u00ean k\u1ebft. Trong m\u1ed7i li\u00ean k\u1ebft C-O, cacbon \u0111\u01b0a ra 2 electron, oxy thi\u1ebfu 2 electron. V\u00ec v\u1eady, m\u1ed7i li\u00ean k\u1ebft C-O c\u1ea7n d\u00f9ng chung 4 electron t\u1ea1o th\u00e0nh 1 li\u00ean k\u1ebft \u0111\u00f4i. (g\u1ed3m 1 li\u00ean k\u1ebft \u03c0 v\u00e0 1 li\u00ean k\u1ebft \u03c3 b\u1ec1n). \u0110\u00e2y l\u00e0 li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb c\u00f3 c\u1ef1c, nh\u01b0ng do c\u00f3 c\u1ea5u t\u1ea1o th\u1eb3ng n\u00ean CO2 l\u00e0 ph\u00e2n t\u1eed kh\u00f4ng c\u00f3 c\u1ef1c.\u00a0<\/p>\n<p dir=\"ltr\">Carbon dioxide (CO2) thu \u0111\u01b0\u1ee3c t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Kh\u00ed tho\u00e1t ra t\u1eeb c\u00e1c n\u00fai l\u1eeda, s\u1ea3n ph\u1ea9m ch\u00e1y c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 ho\u1ea1t \u0111\u1ed9ng h\u00f4 h\u1ea5p c\u1ee7a sinh v\u1eadt s\u1ed1ng hi\u1ebfu kh\u00ed.\u00a0<\/li>\n<li dir=\"ltr\" role=\"presentation\">B\u00ean c\u1ea1nh \u0111\u00f3, CO2 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb s\u1ef1 l\u00ean men c\u1ee7a m\u1ed9t s\u1ed1 vi sinh v\u1eadt v\u00e0 s\u1ef1 h\u00f4 h\u1ea5p c\u1ee7a t\u1ebf b\u00e0o. C\u00e1c lo\u00e0i th\u1ef1c v\u1eadt h\u1ea5p th\u1ee5 CO2 trong qu\u00e1 tr\u00ecnh quang h\u1ee3p v\u00e0 s\u1eed d\u1ee5ng carbon, oxy t\u1ea1o ra c\u00e1c cacbohidrat. Th\u1ef1c v\u1eadt c\u0169ng gi\u1ea3i ph\u00f3ng oxy tr\u1edf l\u1ea1i kh\u00ed quy\u1ec3n v\u00e0 \u0111\u01b0\u1ee3c c\u00e1c sinh v\u1eadt d\u1ecb d\u01b0\u1ee1ng s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p, t\u1ea1o th\u00e0nh m\u1ed9t chu tr\u00ecnh.\u00a0<\/li>\n<li dir=\"ltr\" role=\"presentation\">N\u00f3 xu\u1ea5t hi\u1ec7n trong kh\u00ed quy\u1ec3n Tr\u00e1i \u0110\u1ea5t v\u1edbi n\u1ed3ng \u0111\u1ed9 th\u1ea5p v\u00e0 t\u00e1c \u0111\u1ed9ng nh\u01b0 m\u1ed9t kh\u00ed g\u00e2y hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh, tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n ch\u00ednh trong chu tr\u00ecnh cacbon.<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly_cua_cacbon_dioxit\"><\/span>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a cacbon dioxit<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Xu\u1ea5t hi\u1ec7n \u1edf xung quanh ch\u00fang ta, cacbon dioxit c\u00f3 nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd n\u00e0o n\u1ed5i b\u1eadt?\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cacbon-dioxit-2.jpg\" alt=\"Cacbon dioxide (CO2) c\u00f3 nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd n\u00e0o? (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">M\u00e0u, m\u00f9i: Cacbon dioxit (CO2) l\u00e0 ch\u1ea5t kh\u00ed kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed v\u1edbi d(CO2\/kk)= 44\/29. \u1ede nhi\u1ec7t \u0111\u1ed9 25 \u00b0C, CO2 n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed kho\u1ea3ng 1,5 l\u1ea7n.\u00a0<\/li>\n<li dir=\"ltr\" role=\"presentation\">Kh\u00ed h\u00f2a tan trong n\u01b0\u1edbc b\u1ecdt: Khi h\u00edt th\u1edf ph\u1ea3i kh\u00ed cacbon dioxit \u1edf n\u1ed3ng \u0111\u1ed9 cao t\u1ea1o ra v\u1ecb chua trong mi\u1ec7ng v\u00e0 c\u1ea3m gi\u00e1c nh\u00f3i \u1edf m\u0169i v\u00e0 c\u1ed5 h\u1ecdng. C\u00e1c hi\u1ec7u \u1ee9ng n\u00e0y xu\u1ea5t hi\u1ec7n do kh\u00ed h\u00f2a tan trong n\u01b0\u1edbc b\u1ecdt, t\u1ea1o ra dung d\u1ecbch y\u1ebfu c\u1ee7a axit cacbonic.<\/li>\n<li dir=\"ltr\" role=\"presentation\">Ph\u00e2n h\u1ee7y: Cacbon dioxit c\u00f3 th\u1ec3 b\u1ecb ph\u00e2n h\u1ee7y \u1edf nhi\u1ec7t \u0111\u1ed9 cao 2000 oC, t\u1ea1o th\u00e0nh CO c\u00f9ng O2. CO2 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh d\u01b0\u1edbi d\u1ea1ng r\u1eafn khi b\u1ecb l\u00e0m l\u1ea1nh \u0111\u1ed9t ng\u1ed9t (nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi -78 \u00b0C). Khi \u0111\u00f3 ch\u00fang ng\u01b0ng t\u1ee5 th\u00e0nh c\u00e1c tinh th\u1ec3 m\u00e0u tr\u1eafng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u0103ng kh\u00f4. B\u0103ng kh\u00f4 s\u1ebd th\u0103ng hoa m\u00e0 kh\u00f4ng n\u00f3ng ch\u1ea3y th\u00e0nh CO2 l\u1ecfng d\u01b0\u1edbi \u00e1p su\u1ea5t th\u01b0\u1eddng.\u00a0<\/li>\n<li dir=\"ltr\" role=\"presentation\">Ph\u00e2n t\u1eed CO2 (O = C = O) ch\u1ee9a hai li\u00ean k\u1ebft \u0111\u00f4i, c\u00f3 h\u00ecnh d\u1ea1ng tuy\u1ebfn t\u00ednh. N\u00f3 kh\u00f4ng c\u00f3 l\u01b0\u1ee1ng c\u1ef1c \u0111i\u1ec7n. Do n\u00f3 l\u00e0 h\u1ee3p ch\u1ea5t \u0111\u00e3 b\u1ecb oxy h\u00f3a ho\u00e0n to\u00e0n n\u00ean kh\u00f4ng ch\u00e1y.<\/li>\n<li dir=\"ltr\" role=\"presentation\">\u0110i\u1ec3m s\u00f4i:\u00a0 -78 oC (-108 oF; 195K)\u00a0<\/li>\n<li dir=\"ltr\" role=\"presentation\">T\u1ef7 tr\u1ecdng ri\u00eang: CO2 l\u00e0 1,98 kg\u06f0m-3 (\u1edf 25 oC)<\/li>\n<li dir=\"ltr\" role=\"presentation\">\u0110i\u1ec3m n\u00f3ng ch\u1ea3y: -57 oC (-71 oF; 216K) (\u00e1p l\u1ef1c)<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc_cua_cacbon_dioxit\"><\/span>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a cacbon dioxit<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Cacbon dioxit (CO2) mang t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc ti\u00eau bi\u1ec3u c\u1ee7a m\u1ed9t oxit axit.<\/p>\n<p><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cacbon-dioxit-3.jpg\" alt=\"T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a cacbon dioxit. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cacbon_dioxit_tan_trong_nuoc_tao_thanh_axit_cacbonic_la_mot_diaxit_rat_yeu\"><\/span>Cacbon dioxit tan trong n\u01b0\u1edbc t\u1ea1o th\u00e0nh axit cacbonic (l\u00e0 m\u1ed9t \u0111iaxit r\u1ea5t y\u1ebfu)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 ch\u1ee9ng minh \u0111i\u1ec1u n\u00e0y, ng\u01b0\u1eddi ta l\u00e0m th\u00ed nghi\u1ec7m cho m\u1ed9t m\u1ea9u gi\u1ea5y qu\u1ef3 t\u00edm v\u00e0o \u1ed1ng nghi\u1ec7m \u0111\u1ef1ng n\u01b0\u1edbc, r\u1ed3i s\u1ee5c kh\u00ed CO2 v\u00e0o \u1ed1ng nghi\u1ec7m. \u0110un n\u00f3ng dung d\u1ecbch thu \u0111\u01b0\u1ee3c, ng\u01b0\u1eddi ta quan s\u00e1t \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng gi\u1ea5y qu\u1ef3 t\u00edm ban \u0111\u1ea7u chuy\u1ec3n \u0111\u1ecf, sau \u0111\u00f3 chuy\u1ec3n t\u00edm sau khi \u0111un n\u00f3ng.\u00a0<\/p>\n<p dir=\"ltr\">Ph\u1ea3n \u1ee9ng n\u00e0y d\u1eabn \u0111\u1ebfn k\u1ebft lu\u1eadn: CO2 ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc t\u1ea1o th\u00e0nh dung d\u1ecbch axit, khi\u1ebfn qu\u1ef3 t\u00edm chuy\u1ec3n \u0111\u1ecf. H2CO3 kh\u00f4ng b\u1ec1n, d\u1ec5 ph\u00e2n h\u1ee7y th\u00e0nh CO2 v\u00e0 H2O, khi \u0111un n\u00f3ng s\u1ebd l\u1ea1i l\u00e0m qu\u1ef3 \u0111\u1ecf chuy\u1ec3n t\u00edm.<\/p>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh: CO2 (k)+ H2O (l) \u2194 H2CO3 (dd)<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cacbon_dioxit_tac_dung_voi_dung_dich_bazo\"><\/span>Cacbon \u0111ioxit t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch baz\u01a1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch baz\u01a1 l\u00e0 m\u1ed9t trong nh\u1eefng ph\u1ea3n \u1ee9ng ch\u1ee9ng minh t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc quan tr\u1ecdng c\u1ee7a cacbon \u0111ioxit. CO2 ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch baz\u01a1 t\u1ea1o th\u00e0nh mu\u1ed1i v\u00e0 n\u01b0\u1edbc theo ph\u01b0\u01a1ng tr\u00ecnh nh\u01b0 sau:\u00a0<\/p>\n<p dir=\"ltr\">CO2(k) + 2NaOH(dd) \u2192 Na2CO3(dd) + H2O(l)<\/p>\n<p dir=\"ltr\">1mol\u00a0 \u00a0 2mol<\/p>\n<p dir=\"ltr\">CO2(k) + NaOH(dd) \u2192 NaHCO3(dd)<\/p>\n<p dir=\"ltr\">1mol\u00a0 \u00a0 1mol<\/p>\n<p dir=\"ltr\">Ph\u1ea3n \u1ee9ng c\u00f3 th\u1ec3 t\u1ea1o ra mu\u1ed1i trung h\u00f2a, mu\u1ed1i axit, ho\u1eb7c h\u1ed7n h\u1ee3p 2 mu\u1ed1i t\u00f9y thu\u1ed9c v\u00e0o t\u1ec9 l\u1ec7 s\u1ed1 mol gi\u1eefa CO2 v\u00e0 NaOH.\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cacbon_dioxit_tac_dung_voi_oxit_bazo\"><\/span>Cacbon \u0111ioxit t\u00e1c d\u1ee5ng v\u1edbi oxit baz\u01a1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">CO2 mang t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u1eb7c tr\u01b0ng c\u1ee7a m\u1ed9t m\u1ed9t oxit axit v\u00ec khi ph\u1ea3n \u1ee9ng v\u1edbi oxit baz\u01a1 t\u1ea1o th\u00e0nh mu\u1ed1i.\u00a0<\/p>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh: CO2(k) + CaO(dd) \u2192 CaCO3(dd)<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dieu_che_cacbon_dioxit\"><\/span>\u0110i\u1ec1u ch\u1ebf cacbon dioxit<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Cacbon dioxit \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch n\u00e0o? \u1ede ph\u1ea7n n\u00e0y ch\u00fang ta c\u00f9ng t\u00ecm hi\u1ec3u hai ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf CO2 ph\u1ed5 bi\u1ebfn trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 trong c\u00f4ng nghi\u1ec7p.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cacbon-dioxit-4.jpg\" alt=\"T\u00ecm hi\u1ec3u c\u00e1ch \u0111i\u1ec1u ch\u1ebf CO2. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dieu_che_cacbon_dioxit_trong_phong_thi_nghiem\"><\/span>\u0110i\u1ec1u ch\u1ebf cacbon dioxit trong ph\u00f2ng th\u00ed nghi\u1ec7m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong ph\u00f2ng th\u00ed nghi\u1ec7m, CO2 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf t\u1eeb CaCO3 v\u00e0 dung d\u1ecbch HCl. Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m c\u00f2n l\u1eabn m\u1ed9t ch\u00fat kh\u00ed hi\u0111ro clorua v\u00e0 h\u01a1i n\u01b0\u1edbc.<\/p>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec1u ch\u1ebf: CaCO3 + 2HCl \u2192 CaCl2 + CO2 + H2O<\/p>\n<p dir=\"ltr\">\u0110\u1ec3 thu kh\u00ed CO2 tinh khi\u1ebft, ng\u01b0\u1eddi ta cho h\u1ed7n h\u1ee3p kh\u00ed v\u00e0 h\u01a1i qua b\u00ecnh \u0111\u1ef1ng dung d\u1ecbch NaHCO3 d\u01b0, khi \u0111\u00f3 kh\u00ed hi\u0111ro clorua s\u1ebd b\u1ecb gi\u1eef l\u1ea1i. Ng\u01b0\u1eddi ta ti\u1ebfp t\u1ee5c cho h\u1ed7n h\u1ee3p c\u00f2n l\u1ea1i \u0111i qua b\u00ecnh \u0111\u1ef1ng H2SO4 \u0111\u1eb7c ho\u1eb7c P2O5, khi \u0111\u00f3 h\u01a1i n\u01b0\u1edbc s\u1ebd b\u1ecb h\u1ea5p th\u1ee5 v\u00e0 thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m CO2 tinh khi\u1ebft.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dieu_che_cacbon_dioxit_trong_cong_nghiep\"><\/span>\u0110i\u1ec1u ch\u1ebf cacbon dioxit trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong c\u00f4ng nghi\u1ec7p, CO2 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n than c\u1ed1c trong kh\u00f4ng kh\u00ed theo ph\u01b0\u01a1ng tr\u00ecnh: C + O2 \u2192 CO2<\/p>\n<p dir=\"ltr\">Ho\u1eb7c c\u00f3 th\u1ec3 nhi\u1ec7t ph\u00e2n \u0111\u00e1 v\u00f4i \u0111\u1ec3 t\u1ea1o ra cacbon dioxit theo ph\u01b0\u01a1ng tr\u00ecnh:<\/p>\n<p dir=\"ltr\">CaCO3 \u2192 CaO + CO2 (\u1edf 1000 oC)<\/p>\n<p dir=\"ltr\">B\u00ean c\u1ea1nh \u0111\u00f3, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 thu kh\u00ed CO2 t\u1eeb qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p c\u1ee7a ng\u01b0\u1eddi hay \u0111\u1ed9ng v\u1eadt, t\u1eeb qu\u00e1 tr\u00ecnh l\u00ean men bia r\u01b0\u1ee3u v\u00e0 qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u:<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p c\u1ee7a ng\u01b0\u1eddi ho\u1eb7c \u0111\u1ed9ng v\u1eadt: C6H12O6 + 6O2 \u2192 6CO2 + 6H2O<\/li>\n<li dir=\"ltr\" role=\"presentation\">Qu\u00e1 tr\u00ecnh l\u00ean men bia r\u01b0\u1ee3u: C6H12O6 \u2192 2CO2 + 2C2H5OH<\/li>\n<li dir=\"ltr\" role=\"presentation\">Qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u: CxHy + (x+y\/4)O2 \u2192 XCO2 + (y\/2)H2O<\/li>\n<\/ul>\n<p>Xem th\u00eam:\u00a0<\/p>\n<ul>\n<li>Cacbon oxit (CO) l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/li>\n<li>T\u00ecm hi\u1ec3u v\u1ec1 Cacbon: Kh\u00e1i ni\u1ec7m, t\u00ednh ch\u1ea5t, c\u00e1ch \u0111i\u1ec1u ch\u1ebf<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_cacbon_dioxit\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a cacbon dioxit<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">V\u1edbi nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd v\u00e0 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a m\u00ecnh, cacbon dioxit l\u00e0 h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i hi\u1ec7n nay trong \u0111\u1eddi s\u1ed1ng con ng\u01b0\u1eddi v\u00e0 nhi\u1ec1u ng\u00e0nh quan tr\u1ecdng nh\u01b0: C\u00f4ng nghi\u1ec7p, y t\u1ebf, c\u00f4ng ngh\u1ec7 th\u1ef1c ph\u1ea9m.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cacbon-dioxit-5.jpg\" alt=\"Cacbon dioxit l\u00e0 h\u1ee3p ch\u1ea5t \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00f4ng nghi\u1ec7p. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_CO2_trong_cong_nghiep\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a CO2 trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cacbon dioxit l\u00e0 h\u1ee3p ch\u1ea5t quan tr\u1ecdng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00f4ng nghi\u1ec7p. V\u1eady nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y l\u00e0 g\u00ec?\u00a0\u00a0<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">S\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t kh\u00ed \u0111i\u1ec1u \u00e1p chi ph\u00ed th\u1ea5p, kh\u00f4ng ch\u00e1y. V\u00ec th\u1ebf n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u00e1o phao c\u1ee9u h\u1ed9 hay nh\u1eefng \u1ed1ng h\u01a1i trong s\u00fang h\u01a1i, trong b\u01a1m xe \u0111\u1ea1p. C\u00e1c \u1ed1ng th\u00e9p ch\u1ee9a cacbonic n\u00e9n c\u0169ng \u0111\u01b0\u1ee3c b\u00e1n ra \u0111\u1ec3 cung c\u1ea5p kh\u00ed n\u00e9n cho s\u00fang h\u01a1i, b\u01a1m l\u1ed1p xe \u0111\u1ea1p, n\u01b0\u1edbc kho\u00e1ng xenxe. S\u1ef1 b\u1ed1c h\u01a1i nhanh ch\u00f3ng c\u1ee7a CO2 l\u1ecfng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 g\u00e2y n\u1ed5 trong c\u00e1c m\u1ecf than.<\/li>\n<li dir=\"ltr\" role=\"presentation\">Trong nhi\u1ec1u lo\u1ea1i b\u00ecnh c\u1ee9u h\u1ecfa hi\u1ec7n nay c\u00f3 ch\u1ee9a CO2 l\u1ecfng &#8211; cacbon \u0111ioxit c\u00f2n c\u00f3 vai tr\u00f2 \u0111\u1ec3 d\u1eadp l\u1eeda do ch\u00e1y, ch\u1eadp \u0111i\u1ec7n.<\/li>\n<li dir=\"ltr\" role=\"presentation\">M\u1eb7c d\u00f9 ph\u1ea3n \u1ee9ng v\u1edbi h\u1ea7u h\u1ebft c\u00e1c kim lo\u1ea1i nh\u01b0ng CO2 v\u1eabn \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng l\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00ed c\u1ee7a c\u00f4ng ngh\u1ec7 h\u00e0n. Tuy nhi\u00ean, m\u1ed1i h\u00e0n n\u00e0y s\u1ebd gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng do axit cacbonic \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh v\u00e0 gi\u00f2n h\u01a1n c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00ed tr\u01a1 nh\u01b0 agon, heli,\u2026\u00a0<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_CO2_trong_y_te\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a CO2 trong y t\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">B\u00ean c\u1ea1nh ng\u00e0nh c\u00f4ng nghi\u1ec7p, CO2 c\u0169ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong l\u0129nh v\u1ef1c y t\u1ebf, c\u1ee5 th\u1ec3 l\u00e0:\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cacbon-dioxit-6.jpg\" alt=\"Cacbonic c\u00f3 vai tr\u00f2 quan tr\u1ecdng khi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o oxy nguy\u00ean ch\u1ea5t (5%) \u0111\u1ec3 tr\u1ee3 th\u1edf cho b\u1ec7nh nh\u00e2n. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Dung m\u00f4i t\u1ed1t cho nhi\u1ec1u h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1, l\u00e0 ch\u1ea5t thay th\u1ebf \u00edt \u0111\u1ed9c h\u01a1n c\u00e1c dung m\u00f4i truy\u1ec1n th\u1ed1ng nh\u01b0 clorua h\u1eefu c\u01a1 v\u00e0 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 lo\u1ea1i b\u1ecf cafein t\u1eeb cafe.\u00a0<\/li>\n<li dir=\"ltr\" role=\"presentation\">Cacbonic c\u00f3 vai tr\u00f2 quan tr\u1ecdng khi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o oxy nguy\u00ean ch\u1ea5t (5%) \u0111\u1ec3 tr\u1ee3 th\u1edf cho b\u1ec7nh nh\u00e2n nh\u1eb1m \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00e2n b\u1eb1ng oxy\/cacbonic trong m\u00e1u.<\/li>\n<li dir=\"ltr\" role=\"presentation\">V\u00ec cacbon dioxit l\u00e0 nguy\u00ean li\u1ec7u ch\u00ednh c\u1ee7a qu\u00e1 tr\u00ecnh quang h\u1ee3p n\u00ean \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o c\u00e1c nh\u00e0 k\u00ednh \u0111\u1ec3 k\u00edch th\u00edch s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt. B\u00ean c\u1ea1nh \u0111\u00f3, CO2 c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 ti\u00eau di\u1ec7t nhi\u1ec1u lo\u1ea1i s\u00e2u v\u1edbi n\u1ed3ng \u0111\u1ed9 cao.<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_CO2_trong_doi_song\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a CO2 trong \u0111\u1eddi s\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong \u0111\u1eddi s\u1ed1ng, cacbon dioxit d\u01b0\u1edbi d\u1ea1ng \u0111\u00e1 kh\u00f4 (hay c\u00f2n g\u1ecdi \u0111\u00e1 kh\u00f3i) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1o hi\u1ec7u \u1ee9ng s\u01b0\u01a1ng m\u00f9, xu\u1ea5t hi\u1ec7n nhi\u1ec1u trong c\u00e1c s\u1ef1 ki\u1ec7n: C\u01b0\u1edbi h\u1ecfi, ch\u01b0\u01a1ng tr\u00ecnh game show,\u2026<\/p>\n<p dir=\"ltr\">Ch\u00fa \u00fd: Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng \u0111\u00e1 kh\u00f4, c\u1ea7n \u0111eo g\u0103ng tay \u0111\u1ec3 tr\u00e1nh b\u1ecb \u201cb\u1ecfng l\u1ea1nh\u201d v\u00e0 kh\u00f4ng n\u00ean ch\u1ee9a lo\u1ea1i \u0111\u00e1 n\u00e0y trong c\u00e1c th\u00f9ng k\u00edn v\u00ec \u00e1p su\u1ea5t do b\u0103ng kh\u00f4 g\u00e2y ra c\u00f3 th\u1ec3 g\u00e2y n\u1ed5 th\u00f9ng.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_CO2_trong_cong_nghe_thuc_pham\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a CO2 trong c\u00f4ng ngh\u1ec7 th\u1ef1c ph\u1ea9m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong ng\u00e0nh c\u00f4ng ngh\u1ec7 th\u1ef1c ph\u1ea9m, CO2 c\u0169ng \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng, \u0111i\u1ec3n h\u00ecnh nh\u01b0:\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cacbon-dioxit-7.jpg\" alt=\"Trong ng\u00e0nh c\u00f4ng ngh\u1ec7 th\u1ef1c ph\u1ea9m, CO2 \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Trong c\u00f4ng ngh\u1ec7 th\u1ef1c ph\u1ea9m, cacbon dioxit \u0111\u01b0\u1ee3c n\u00e9n l\u1ea1nh th\u00e0nh b\u0103ng kh\u00f4 v\u00e0 s\u1eed d\u1ee5ng l\u00e0 ch\u1ea5t l\u00e0m l\u1ea1nh quan tr\u1ecdng, v\u1edbi vai tr\u00f2 l\u01b0u gi\u1eef trong v\u1eadn chuy\u1ec3n v\u00e0 b\u1ea3o qu\u1ea3n c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00f4ng l\u1ea1nh, kem,\u2026<\/li>\n<li dir=\"ltr\" role=\"presentation\">V\u1edbi ng\u00e0nh c\u00f4ng ngh\u1ec7 n\u01b0\u1edbc gi\u1ea3i kh\u00e1t, CO2 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o gas cho nhi\u1ec1u lo\u1ea1i \u0111\u1ed3 u\u1ed1ng c\u00f3 gas ph\u1ed5 bi\u1ebfn nh\u01b0 coca, pepsi, 7up,\u2026<\/li>\n<li dir=\"ltr\" role=\"presentation\">V\u1edbi t\u00ednh ch\u1ea5t \u201cth\u0103ng hoa\u201d \u0111\u1eb7c tr\u01b0ng, CO2 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong b\u1ea3o qu\u1ea3n c\u00e1c lo\u1ea1i th\u1ef1c ph\u1ea9m t\u01b0\u01a1i s\u1ed1ng.<\/li>\n<li dir=\"ltr\" role=\"presentation\">Cacbon \u0111ioxit c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong chi\u1ebft xu\u1ea5t th\u1ef1c ph\u1ea9m: Supercritical carbon dioxide v\u1edbi vai tr\u00f2 lo\u1ea1i b\u1ecf d\u1ea7u v\u00e0 ch\u1ea5t b\u00e9o d\u00f9ng trong chi\u1ebft xu\u1ea5t m\u00e0u v\u00e0 h\u01b0\u01a1ng v\u1ecb trong th\u1ef1c ph\u1ea9m.<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Khi_CO2_co_doc_khong_va_nhung_luu_y_khi_su_dung\"><\/span>Kh\u00ed CO2 c\u00f3 \u0111\u1ed9c kh\u00f4ng v\u00e0 nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Theo th\u1ed1ng k\u00ea, con ng\u01b0\u1eddi \u0111\u00e3 th\u1ea3i ra b\u1ea7u kh\u00ed quy\u1ec3n ng\u00e0y c\u00e0ng nhi\u1ec1u kh\u00ed CO2. Ch\u1ee7 y\u1ebfu kh\u00ed cacbon dioxit n\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed1t than \u0111\u00e1 v\u00e0 kh\u00ed t\u1ef1 nhi\u00ean c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n, s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n, xi m\u0103ng c\u00f9ng c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n<p dir=\"ltr\">CO2 kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00ed \u0111\u1ed9c, nh\u01b0ng n\u1ebfu xu\u1ea5t hi\u1ec7n v\u1edbi n\u1ed3ng \u0111\u1ed9 cao s\u1ebd l\u00e0m gi\u1ea3m oxy trong kh\u00f4ng kh\u00ed, g\u00e2y ra c\u00e1c t\u00e1c h\u1ea1i tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng s\u1ed1ng v\u00e0 s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cacbon-dioxit-8.jpg\" alt=\"Kh\u00ed CO2 c\u00f3 \u0111\u1ed9c kh\u00f4ng? (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Anh_huong_den_moi_truong\"><\/span>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Vi\u1ec7c gia t\u0103ng n\u1ed3ng \u0111\u1ed9 kh\u00ed cacbon \u0111ioxit v\u00e0o m\u00f4i tr\u01b0\u1eddng l\u00e0m gia t\u0103ng tr\u1ea7m tr\u1ecdng hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y l\u00e0m tr\u00e1i \u0111\u1ea5t n\u00f3ng l\u00ean, \u1ea3nh h\u01b0\u1edfng v\u00e0 \u0111e d\u1ecda tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi v\u00e0 sinh v\u1eadt tr\u00ean tr\u00e1i \u0111\u1ea5t.\u00a0<\/p>\n<p dir=\"ltr\">Khi n\u1ed3ng \u0111\u1ed9 kh\u00ed cacbon dioxit t\u0103ng nhanh s\u1ebd l\u00e0m gi\u1ea3m qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p protein. Khi c\u00f4n tr\u00f9ng \u0103n th\u1ef1c v\u1eadt thi\u1ebfu protein s\u1ebd c\u00f3 t\u1ec9 l\u1ec7 ch\u1ebft cao h\u01a1n, g\u00e2y h\u1ea1i cho h\u1ec7 sinh th\u00e1i.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Anh_huong_den_suc_khoe_con_nguoi\"><\/span>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">N\u1ed3ng \u0111\u1ed9 kh\u00ed carbon dioxide cao s\u1ebd l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 oxy trong kh\u00f4ng kh\u00ed, g\u00e2y ra c\u00e1c t\u00e1c h\u1ea1i nguy hi\u1ec3m \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi nh\u01b0 m\u1ec7t m\u1ecfi, kh\u00f3 th\u1edf, k\u00edch th\u00edch th\u1ea7n kinh, t\u0103ng nh\u1ecbp tim c\u00f9ng nhi\u1ec1u r\u1ed1i lo\u1ea1n kh\u00e1c.<\/p>\n<p dir=\"ltr\">Khi CO2 qu\u00e1 cao trong kh\u00f4ng kh\u00ed \u2013 m\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng h\u00edt ph\u1ea3i kh\u00ed \u0111\u1ed9c nh\u01b0ng \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn s\u1ee9c kh\u1ecfe v\u00e0 th\u1eadm ch\u00ed c\u00f3 th\u1ec3 g\u00e2y t\u1eed vong cho con ng\u01b0\u1eddi.\u00a0\u00a0<\/p>\n<p dir=\"ltr\">Ngo\u00e0i ra, vi\u1ec7c da c\u00f3 ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi kh\u00ed carbon dioxide \u0111\u00f4ng l\u1ea1nh (\u0111\u00e1 kh\u00f4) s\u1ebd g\u00e2y \u201cb\u1ecfng l\u1ea1nh\u201d &#8211; t\u00ea c\u1ee9ng b\u1ed9 ph\u1eadn c\u01a1 th\u1ec3.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cach_xu_ly_khi_bi_ngo_doc_CO2\"><\/span>C\u00e1ch x\u1eed l\u00fd khi b\u1ecb ng\u1ed9 \u0111\u1ed9c CO2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ngo\u00e0i hi\u1ec7n t\u01b0\u1ee3ng t\u1ee9c ng\u1ef1c, c\u00e1c tri\u1ec7u ch\u1ee9ng ban \u0111\u1ea7u c\u1ee7a ng\u1ed9 \u0111\u1ed9c CO2 c\u00f3 th\u1ec3 bao g\u1ed3m: Nh\u1ee9c \u0111\u1ea7u, m\u1ec7t m\u1ecfi, ch\u00f3ng m\u1eb7t, bu\u1ed3n ng\u1ee7, ho\u1eb7c bu\u1ed3n n\u00f4n. \u0110au ng\u1ef1c \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf nh\u1eefng ng\u01b0\u1eddi c\u00f3 ti\u1ec1n s\u1eed b\u1ecb \u0111au th\u1eaft ng\u1ef1c. Th\u1eddi gian ph\u01a1i nhi\u1ec5m k\u00e9o d\u00e0i, c\u00e1c tri\u1ec7u ch\u1ee9ng c\u00f3 th\u1ec3 x\u1ea5u \u0111i, k\u00e8m n\u00f4n m\u1eeda, ng\u1ea5t, m\u1ea5t \u00fd th\u1ee9c v\u00e0 suy nh\u01b0\u1ee3c c\u01a1\u2026<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cacbon-dioxit-9.jpg\" alt=\"X\u1eed l\u00fd nh\u01b0 th\u1ebf n\u00e0o khi b\u1ecb ng\u1ed9 \u0111\u1ed9c CO2? (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u00e1c tri\u1ec7u ch\u1ee9ng b\u1ecb ng\u1ed9 \u0111\u1ed9c CO2 r\u1ea5t kh\u00e1c nhau t\u00f9y theo t\u1eebng tr\u01b0\u1eddng h\u1ee3p. Ng\u1ed9 \u0111\u1ed9c CO2 c\u00f3 th\u1ec3 x\u1ea3y ra s\u1edbm h\u01a1n \u1edf nh\u1eefng ng\u01b0\u1eddi nh\u01b0: Tr\u1ebb nh\u1ecf, ng\u01b0\u1eddi cao tu\u1ed5i, ng\u01b0\u1eddi b\u1ecb b\u1ec7nh ph\u1ed5i ho\u1eb7c tim, nh\u1eefng ng\u01b0\u1eddi v\u1ecb tr\u00ed tr\u00ean cao, ng\u01b0\u1eddi h\u00fat thu\u1ed1c l\u00e1&#8230;\u00a0<\/p>\n<p dir=\"ltr\">V\u1eady c\u00f3 th\u1ec3 x\u1eed l\u00fd b\u1eb1ng c\u00e1ch n\u00e0o khi ph\u00e1t hi\u1ec7n ng\u01b0\u1eddi b\u1ecb ng\u1ed9 \u0111\u1ed9c CO2?\u00a0<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Kh\u00ed CO2 n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed, do \u0111\u00f3 n\u00ean di chuy\u1ec3n n\u1ea1n nh\u00e2n b\u1ecb ng\u1ed9 \u0111\u1ed9c CO2 t\u1edbi nh\u1eefng khu v\u1ef1c cao r\u00e1o. (L\u01b0u \u00fd ch\u1ec9 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y khi m\u00f4i tr\u01b0\u1eddng kh\u00f4ng g\u00e2y nguy hi\u1ec3m cho s\u01a1 c\u1ee9u vi\u00ean v\u00e0 ch\u1ec9 nh\u1eefng s\u01a1 c\u1ee9u vi\u00ean \u0111\u01b0\u1ee3c t\u1eadp hu\u1ea5n v\u00e0 \u0111\u00e0o t\u1ea1o chuy\u00ean nghi\u1ec7p m\u1edbi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n s\u01a1 c\u1ee9u c\u1ea5p oxy cho ng\u01b0\u1eddi b\u1ecb \u0111\u1ed9c kh\u00ed CO2.)<\/li>\n<li dir=\"ltr\" role=\"presentation\">N\u1ebfu c\u00f3 c\u00e1c y\u1ebfu t\u1ed1 \u0111e do\u1ea1 t\u00ednh m\u1ea1ng c\u1ee7a ng\u01b0\u1eddi b\u1ec7nh, c\u1ea7n g\u1ecdi c\u1ea5p c\u1ee9u y t\u1ebf \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u00fap \u0111\u1ee1 k\u1ecbp th\u1eddi.<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bao_quan_khi_CO2\"><\/span>B\u1ea3o qu\u1ea3n kh\u00ed CO2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng kh\u00ed CO2, ch\u00fang ta c\u1ea7n l\u01b0u \u00fd c\u00e1ch b\u1ea3o qu\u1ea3n v\u00e0 v\u1eadn chuy\u1ec3n h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc n\u00e0y.\u00a0<\/p>\n<p dir=\"ltr\">L\u01b0u \u00fd khi s\u1eed d\u1ee5ng kh\u00ed CO2<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Kh\u00ed CO2 trong b\u00ecnh ch\u1ee9a th\u01b0\u1eddng t\u1ed3n t\u1ea1i \u1edf th\u1ec3 l\u1ecfng, v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c c\u1ea5p nhi\u1ec7t \u0111\u1ec3 chuy\u1ec3n sang th\u1ec3 kh\u00ed. V\u00ec v\u1eady, c\u1ea7n l\u01b0u \u00fd g\u1eafn th\u00eam b\u1ed9 ph\u1eadn s\u1ea5y nhi\u1ec7t \u1edf c\u00e1c van \u0111i\u1ec1u ti\u1ebft kh\u00ed CO2, tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p khi \u0111\u00f3ng b\u0103ng s\u1ebd b\u1ecbt k\u00edn \u0111\u01b0\u1eddng c\u1ea5p kh\u00ed.<\/li>\n<li dir=\"ltr\" role=\"presentation\">Ch\u1ec9 s\u1eed d\u1ee5ng m\u1eb7t n\u1ea1 th\u1edf c\u00f3 van khi ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1eadp hu\u1ea5n v\u1ec1 c\u00e1ch d\u00f9ng.<\/li>\n<li dir=\"ltr\" role=\"presentation\">C\u1ea7n t\u00ecm hi\u1ec3u v\u1ec1 l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c l\u1eafp \u0111\u1eb7t nh\u1eefng thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n kh\u00ed gi\u00fap ph\u00f2ng v\u00e0 x\u1eed l\u00fd t\u00ecnh hu\u1ed1ng nhanh nh\u1ea5t.<\/li>\n<\/ul>\n<p dir=\"ltr\">L\u01b0u \u00fd khi b\u1ea3o qu\u1ea3n v\u00e0 v\u1eadn chuy\u1ec3n kh\u00ed CO2<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Khi b\u1ea3o qu\u1ea3n cacbon dioxit, CO2 c\u1ea7n \u0111\u01b0\u1ee3c ch\u1ee9a trong stec k\u00edn ch\u1ecbu \u00e1p l\u1ef1c c\u00f3 b\u1ea3o \u00f4n hay trong chai k\u00edn ch\u1ecbu \u00e1p l\u1ef1c.\u00a0<\/li>\n<li dir=\"ltr\" role=\"presentation\">Khi n\u1ea1p CO2 l\u1ecfng, kh\u00f4ng n\u00ean v\u01b0\u1ee3t qu\u00e1 0,625 kg\/l\u00edt thi\u1ebft b\u1ecb ch\u1ee9a, n\u1ea1p stec kh\u00f4ng qu\u00e1 0,9 kg\/l\u00edt thi\u1ebft b\u1ecb ch\u1ee9a. C\u1ea7n c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng va \u0111\u1eadp m\u1ea1nh chai ho\u1eb7c stec, \u0111\u1ec3 CO2 c\u00e1ch xa ngu\u1ed3n nhi\u1ec7t. N\u1ebfu mu\u1ed1n b\u1ea3o qu\u1ea3n s\u1ea3n ph\u1ea9m trong stec th\u1eddi gian d\u00e0i, c\u1ea7n c\u00f3 h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh ri\u00eang bi\u1ec7t.\u00a0<\/li>\n<li dir=\"ltr\" role=\"presentation\">Khi v\u1eadn chuy\u1ec3n chai CO2 d\u1ea1ng l\u1ecfng, c\u1ea7n x\u1ebfp ch\u00fang n\u1eb1m ngang, van c\u1ee7a c\u00e1c chai quay v\u1ec1 c\u00f9ng m\u1ed9t ph\u00eda, c\u00f3 \u0111\u1ec7m l\u00f3t gi\u1eefa c\u00e1c chai v\u00e0 xe ch\u1edf ph\u1ea3i c\u00f3 m\u00e1i che ch\u1eafn.<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_ve_cacbon_dioxit_SGK_Hoa_hoc_9_kem_loi_giai\"><\/span>B\u00e0i t\u1eadp v\u1ec1 cacbon dioxit SGK H\u00f3a h\u1ecdc 9 k\u00e8m l\u1eddi gi\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau khi \u0111\u00e3 hi\u1ec3u r\u00f5 cacbon dioxit (CO2) l\u00e0 g\u00ec, t\u00ednh ch\u1ea5t, c\u00e1ch \u0111i\u1ec1u ch\u1ebf, \u1ee9ng d\u1ee5ng c\u1ee7a h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc n\u00e0y, c\u00f9ng v\u1eadn d\u1ee5ng \u0111\u1ec3 gi\u1ea3i m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp c\u01a1 b\u1ea3n sau.\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cacbon-dioxit-10.jpg\" alt=\"B\u00e0i t\u1eadp v\u1ec1 cacbon dioxit SGK H\u00f3a h\u1ecdc 9 k\u00e8m l\u1eddi gi\u1ea3i. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_1_trang_87_SGK_Hoa_9\"><\/span>B\u00e0i t\u1eadp 1 (trang 87 SGK H\u00f3a 9)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">H\u00e3y vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a CO2 v\u1edbi dung d\u1ecbch NaOH, dung d\u1ecbch Ca(OH)2 trong tr\u01b0\u1eddng h\u1ee3p:<\/p>\n<p dir=\"ltr\">a) T\u1ec9 l\u1ec7 s\u1ed1 mol n : n = 1 : 1<\/p>\n<p dir=\"ltr\">b) T\u1ec9 l\u1ec7 s\u1ed1 mol n : n = 2 : 1<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:<\/p>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a CO2 v\u1edbi:<\/p>\n<p dir=\"ltr\">a) Dung d\u1ecbch NaOH theo t\u1ec9 l\u1ec7 nCO2 : nNaOH = 1 : 1<\/p>\n<p dir=\"ltr\">CO2 + NaOH \u2192 NaHCO3<\/p>\n<p dir=\"ltr\">b) Dung d\u1ecbch Ca(OH)2 theo t\u1ec9 l\u1ec7 nCO2 : nCa(OH)2 = 2 : 1.<\/p>\n<p dir=\"ltr\">2CO2 + Ca(OH)2 \u2192 Ca(HCO3)2\u2193<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_2_trang_87_SGK_Hoa_9\"><\/span>B\u00e0i t\u1eadp 2 (trang 87 SGK H\u00f3a 9)\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00f3 h\u1ed7n h\u1ee3p hai kh\u00ed CO v\u00e0 CO2. N\u00eau ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc \u0111\u1ec3 ch\u1ee9ng minh s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a hai kh\u00ed \u0111\u00f3. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc.<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Cho h\u1ed7n h\u1ee3p kh\u00ed l\u1ed9i qua b\u00ecnh ch\u1ee9a dung d\u1ecbch n\u01b0\u1edbc v\u00f4i trong, n\u1ebfu n\u01b0\u1edbc v\u00f4i trong v\u1ea9n \u0111\u1ee5c, ch\u1ee9ng t\u1ecf trong h\u1ed7n h\u1ee3p kh\u00ed c\u00f3 kh\u00ed CO2.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">CO2 + Ca(OH)2 \u2192 CaCO3 \u2193 + H2O<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u00ed \u0111i ra kh\u1ecfi b\u00ecnh n\u01b0\u1edbc v\u00f4i trong \u0111\u01b0\u1ee3c d\u1eabn qua \u1ed1ng th\u1ee7y tinh \u0111\u1ef1ng CuO nung n\u00f3ng, n\u1ebfu th\u1ea5y c\u00f3 kim lo\u1ea1i m\u00e0u \u0111\u1ecf sinh ra v\u00e0 kh\u00ed sinh ra kh\u1ecfi \u1ed1ng th\u1ee7y tinh l\u00e0m v\u1ea9n \u0111\u1ee5c n\u01b0\u1edbc v\u00f4i trong th\u00ec ch\u1ee9ng t\u1ecf trong h\u1ed7n h\u1ee3p \u0111\u00f3 c\u00f3 kh\u00ed CO.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">CO + CuO \u2192 Cu + CO2.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_3_trang_87_SGK_Hoa_9\"><\/span>B\u00e0i t\u1eadp 3 (trang 87 SGK H\u00f3a 9)\u00a0\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Tr\u00ean b\u1ec1 m\u1eb7t h\u1ed3 n\u01b0\u1edbc t\u00f4i v\u00f4i l\u00e2u ng\u00e0y th\u01b0\u1eddng c\u00f3 l\u1edbp m\u00e0ng ch\u1ea5t r\u1eafn. H\u00e3y gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc.<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:<\/p>\n<p dir=\"ltr\">Do Ca(OH)2 t\u00e1c d\u1ee5ng v\u1edbi kh\u00ed CO2 trong kh\u00f4ng kh\u00ed t\u1ea1o n\u00ean l\u1edbp CaCO3 r\u1ea5t m\u1ecfng tr\u00ean b\u1ec1 m\u1eb7t n\u01b0\u1edbc v\u00f4i.<\/p>\n<p dir=\"ltr\">Ca(OH)2 + CO2 \u2192 CaCO3 \u2193 + H2O<\/p>\n<p dir=\"ltr\">V\u1edbi nh\u1eefng th\u00f4ng tin quan tr\u1ecdng nh\u01b0 cacbon dioxit l\u00e0 g\u00ec, t\u00ednh ch\u1ea5t, c\u00e1ch \u0111i\u1ec1u ch\u1ebf, \u1ee9ng d\u1ee5ng v\u00e0 b\u00e0i t\u1eadp c\u1ee7a h\u1ee3p ch\u1ea5t n\u00e0y, hy v\u1ecdng b\u00e0i vi\u1ebft tr\u00ean \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng ki\u1ebfn th\u1ee9c b\u1ed5 \u00edch. Ngo\u00e0i ra, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam nhi\u1ec1u t\u00e0i li\u1ec7u h\u1eefu \u00edch h\u1ed7 tr\u1ee3 \u00f4n t\u1eadp m\u00f4n H\u00f3a h\u1ecdc kh\u00e1c tr\u00ean website c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef v\u00e0 \u0111\u1eebng qu\u00ean chia s\u1ebb n\u1ebfu th\u1ea5y b\u00e0i vi\u1ebft h\u1eefu \u00edch!<\/p>\n<p>                                    Ngu\u1ed3n tham kh\u1ea3o<\/p>\n<p>Carbon dioxide &#8211; Ng\u00e0y truy c\u1eadp: 05\/06\/2022<\/p>\n<p>https:\/\/vi.wikipedia.org\/wiki\/Carbon_dioxide<\/p>\n<p>Carbon Dioxide &#8211; Ng\u00e0y truy c\u1eadp: 05\/06\/2022<\/p>\n<p>https:\/\/scied.ucar.edu\/learning-zone\/how-climate-works\/carbon-dioxide<\/p>\n<p>Carbon dioxide chemical compound\u00a0 &#8211; Ng\u00e0y truy c\u1eadp: 05\/06\/2022<\/p>\n<p>https:\/\/www.britannica.com\/science\/carbon-dioxide<\/p>\n<p>Ngu\u1ed3n: <a href=\"http:\/\/www.ckconitsha.com\/vn\/\">http:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Carbon dioxit (CO2) l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn r\u1ed9ng r\u00e3i, c\u00f3 nhi\u1ec1u trong kh\u00ed quy\u1ec3n tr\u00e1i \u0111\u1ea5t. V\u1eady cacbon dioxide l\u00e0 g\u00ec? C\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u00ecm hi\u1ec3u t\u00ednh ch\u1ea5t, c\u00e1ch \u0111i\u1ec1u ch\u1ebf, \u1ee9ng d\u1ee5ng v\u00e0 b\u00e0i t\u1eadp chi ti\u1ebft v\u1ec1 lo\u1ea1i h\u1ee3p ch\u1ea5t quen thu\u1ed9c n\u00e0y&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-20237","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=20237"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20237\/revisions"}],"predecessor-version":[{"id":25517,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20237\/revisions\/25517"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=20237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=20237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=20237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}