{"id":19163,"date":"2025-07-07T01:00:05","date_gmt":"2025-07-06T18:00:05","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=19163"},"modified":"2025-07-07T04:34:46","modified_gmt":"2025-07-06T21:34:46","slug":"oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/","title":{"rendered":"Oxi: T\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1ch \u0111i\u1ec1u ch\u1ebf [T\u1ed5ng h\u1ee3p L\u1edbp 8 + 10]"},"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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Dinh_nghia_oxi_la_gi\" >\u0110\u1ecbnh ngh\u0129a oxi 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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Tinh_chat_vat_ly_cua_oxi\" >T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a oxi<\/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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Tinh_chat_hoa_hoc_cua_oxi\" >T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a oxi<\/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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Oxi_tac_dung_voi_kim_loai\" >Oxi t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i<\/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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Oxi_tac_dung_voi_phi_kim\" >Oxi t\u00e1c d\u1ee5ng v\u1edbi phi kim<\/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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Oxi_tac_dung_voi_hop_chat\" >Oxi t\u00e1c d\u1ee5ng v\u1edbi h\u1ee3p ch\u1ea5t<\/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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Dieu_che_oxi_nhu_the_nao\" >\u0110i\u1ec1u ch\u1ebf oxi nh\u01b0 th\u1ebf n\u00e0o?<\/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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Dieu_che_oxi_trong_phong_thi_nghiem\" >\u0110i\u1ec1u ch\u1ebf oxi 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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#San_xuat_oxi_trong_cong_nghiep\" >S\u1ea3n xu\u1ea5t oxi 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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Ung_dung_cua_oxi_trong_doi_song\" >\u1ee8ng d\u1ee5ng c\u1ee7a oxi trong \u0111\u1eddi s\u1ed1ng<\/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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Vai_tro_cua_oxi_voi_su_song_cua_con_nguoi_va_dong_vat\" >Vai tr\u00f2 c\u1ee7a oxi v\u1edbi s\u1ef1 s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt<\/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\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Ung_dung_oxi_trong_cong_nghiep_%E2%80%93_dot_nhien_lieu\" >\u1ee8ng d\u1ee5ng oxi trong c\u00f4ng nghi\u1ec7p \u2013 \u0111\u1ed1t nhi\u00ean li\u1ec7u<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Bai_tap_ve_oxi_SGK_Hoa_hoc_kem_loi_giai_chi_tiet\" >B\u00e0i t\u1eadp v\u1ec1 oxi SGK H\u00f3a h\u1ecdc k\u00e8m l\u1eddi gi\u1ea3i chi ti\u1ebft<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Bai_tap_ve_oxi_SGK_Hoa_hoc_8\" >B\u00e0i t\u1eadp v\u1ec1 oxi SGK H\u00f3a h\u1ecdc 8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/oxi-tinh-chat-ung-dung-va-cach-dieu-che-tong-hop-lop-8-10\/#Bai_tap_ve_oxi_SGK_Hoa_hoc_10\" >B\u00e0i t\u1eadp v\u1ec1 oxi SGK H\u00f3a h\u1ecdc 10<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">Chi\u1ebfm t\u1edbi 49.4% kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1ecf Tr\u00e1i \u0110\u1ea5t, oxi \u0111\u01b0\u1ee3c coi l\u00e0 nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc ph\u1ed5 bi\u1ebfn. \u0110\u00e2y c\u0169ng l\u00e0 n\u1ed9i dung ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc quan tr\u1ecdng trong ch\u01b0\u01a1ng tr\u00ecnh H\u00f3a h\u1ecdc c\u1ea3 c\u1ea5p THCS v\u00e0 THPT. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap c\u00e1c b\u1ea1n t\u1ed5ng h\u1ee3p nh\u1eefng ki\u1ebfn th\u1ee9c quan tr\u1ecdng v\u1ec1 t\u00ednh ch\u1ea5t, c\u00e1ch \u0111i\u1ec1u ch\u1ebf c\u0169ng nh\u01b0 nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a nguy\u00ean t\u1ed1 n\u00e0y trong cu\u1ed9c s\u1ed1ng.<\/p>\n<p>                                                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img_default\/monkey3.png\" alt=\"\"><\/p>\n<p class=\"title\">H\u00e0ng tri\u1ec7u tr\u1ebb em \u0111\u00e3 ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng ng\u00f4n ng\u1eef c\u1ee7a m\u00ecnh th\u00f4ng qua c\u00e1c \u1ee9ng d\u1ee5ng h\u1ecdc t\u1eadp c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef<\/p>\n<p class=\"description\">\u0110\u0103ng k\u00fd ngay \u0111\u1ec3 \u0111\u01b0\u1ee3c Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed v\u1ec1 s\u1ea3n ph\u1ea9m v\u00e0 l\u1ed9 tr\u00ecnh h\u1ecdc cho con.<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra l\u1ea1i h\u1ecd t\u00ean<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra l\u1ea1i S\u0110T<\/p>\n<p>                                                                                Th\u00e0nh th\u1ea1o 2.000+ t\u1eeb &amp; 6.000 c\u00e2u ti\u1ebfng anh<br \/>\n                                                                                Ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n 4 k\u1ef9 n\u0103ng ti\u1ebfng anh<br \/>\n                                                                                Gi\u1ecfi To\u00e1n &#8211; ti\u1ebfng Anh theo ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i<br \/>\n                                                                                Ph\u00e1t tri\u1ec3n EQ &amp; kh\u1ea3 n\u0103ng ti\u1ebfng Vi\u1ec7t<\/p>\n<p>                                                                                *B\u1ea1n ch\u01b0a ch\u1ecdn m\u1ee5c n\u00e0o!<\/p>\n<p>                                                                    \u0110\u0103ng K\u00fd T\u01b0 V\u1ea5n Mi\u1ec5n Ph\u00ed<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dinh_nghia_oxi_la_gi\"><\/span>\u0110\u1ecbnh ngh\u0129a oxi l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Oxi (t\u00ean ti\u1ebfng Anh l\u00e0 Oxygen) l\u00e0 nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc c\u00f3 k\u00fd hi\u1ec7u l\u00e0 O. C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a \u0111\u01a1n ch\u1ea5t (kh\u00ed) oxi l\u00e0 O2; Nguy\u00ean t\u1eed kh\u1ed1i l\u00e0 16 v\u00e0 ph\u00e2n t\u1eed kh\u1ed1i l\u00e0 32. Oxy \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc ph\u1ed5 bi\u1ebfn chi\u1ebfm kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t trong v\u1ecf Tr\u00e1i \u0110\u1ea5t. \u1ede d\u1ea1ng h\u1ee3p ch\u1ea5t nguy\u00ean t\u1ed1 oxi c\u00f3 trong \u0111\u01b0\u1eddng, n\u01b0\u1edbc, qu\u1eb7ng, \u0111\u1ea5t \u0111\u00e1, c\u01a1 th\u1ec3 ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt\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\/oxi-1.jpg\" alt=\"T\u00ecm hi\u1ec3u v\u1ec1 oxi. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Oxi c\u00f3 s\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed l\u00e0 8, thu\u1ed9c nh\u00f3m VIA, chu k\u00ec 2 c\u1ee7a b\u1ea3ng tu\u1ea7n ho\u00e0n c\u00e1c nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc.<\/p>\n<p dir=\"ltr\">Nguy\u00ean t\u1eed oxi c\u00f3 c\u1ea5u h\u00ecnh electron l\u00e0 1s22s22p4, l\u1edbp ngo\u00e0i c\u00f9ng c\u00f3 6e. \u1ede trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng, ph\u00e2n t\u1eed oxi c\u00f3 2 nguy\u00ean t\u1eed li\u00ean k\u1ebft v\u1edbi nhau b\u1eb1ng li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb kh\u00f4ng c\u1ef1c c\u00f3 th\u1ec3 vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o ph\u00e2n t\u1eed oxi l\u00e0 O=O.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly_cua_oxi\"><\/span>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a oxi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 l\u00e0m r\u00f5 nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a kh\u00ed oxi, SGK h\u00f3a h\u1ecdc 8 (NXB Gi\u00e1o d\u1ee5c Vi\u1ec7t Nam) \u0111\u00e3 \u0111\u01b0a ra t\u00ecnh hu\u1ed1ng quan s\u00e1t c\u0169ng nh\u01b0 nh\u1eefng c\u00e2u h\u1ecfi g\u1ee3i m\u1edf ki\u1ebfn th\u1ee9c \u0111\u1ec3 c\u00e1c b\u1ea1n h\u00ecnh dung r\u00f5 r\u00e0ng h\u01a1n.<\/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\/oxi-2.jpg\" alt=\"Kh\u00ed oxi l\u00e0 ch\u1ea5t kh\u00ed kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, kh\u00f4ng v\u1ecb v\u00e0 n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed . (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Quan s\u00e1t: C\u00f3 1 l\u1ecd \u0111\u1ef1ng kh\u00ed oxi \u0111\u01b0\u1ee3c \u0111\u1eady n\u00fat. Nhi\u1ec7m v\u1ee5 c\u1ee7a ng\u01b0\u1eddi h\u1ecdc l\u00e0 nh\u1eadn x\u00e9t m\u00e0u s\u1eafc c\u1ee7a kh\u00ed oxi. Ti\u1ebfp \u0111\u00f3 m\u1edf n\u00fat c\u1ee7a l\u1ecd \u0111\u00f3, \u0111\u01b0a l\u00ean g\u1ea7n m\u0169i v\u00e0 d\u00f9ng tay ph\u1ea9y nh\u1eb9 kh\u00ed oxi v\u00e0o m\u0169i \u0111\u1ec3 nh\u1eadn x\u00e9t m\u00f9i c\u1ee7a n\u00f3.<\/p>\n<p dir=\"ltr\">2 c\u00e2u h\u1ecfi ti\u1ebfp theo \u0111\u01b0\u1ee3c \u0111\u01b0a ra \u0111\u1ec3 t\u00ecm hi\u1ec3u t\u00ednh ch\u1ea5t c\u1ee7a oxi l\u00e0:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">1 l\u00edt n\u01b0\u1edbc \u1edf 20 \u0111\u1ed9 C h\u00f2a tan \u0111\u01b0\u1ee3c 31 ml kh\u00ed oxi. C\u00f3 ch\u1ea5t kh\u00ed (v\u00ed d\u1ee5 amoniac) tan \u0111\u01b0\u1ee3c 700 l\u00edt trong 1 l\u00edt n\u01b0\u1edbc. V\u1eady kh\u00ed oxi l\u00e0 ch\u1ea5t tan nhi\u1ec1u hay \u00edt trong n\u01b0\u1edbc?<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">X\u00e1c \u0111\u1ecbnh kh\u00ed oxi n\u1eb7ng hay nh\u1eb9 h\u01a1n kh\u00f4ng kh\u00ed? (Cho bi\u1ebft t\u1ec9 kh\u1ed1i c\u1ee7a oxi \u0111\u1ed1i v\u1edbi kh\u00f4ng kh\u00ed l\u00e0 32 : 29).<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Sau khi tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c nh\u1eefng c\u00e2u h\u1ecfi v\u00e0 quan s\u00e1t \u1edf tr\u00ean, ta c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng k\u1ebft lu\u1eadn nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd \u0111i\u1ec3n h\u00ecnh c\u1ee7a kh\u00ed oxi l\u00e0:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u00ed oxi l\u00e0 ch\u1ea5t kh\u00ed kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, kh\u00f4ng v\u1ecb v\u00e0 n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed (d= 32\/29, x\u1ea5p x\u1ec9 b\u1eb1ng 1.1).<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u01b0\u1edbi \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n oxi h\u00f3a l\u1ecfng \u1edf nhi\u1ec7t \u0111\u1ed9 -183 \u0111\u1ed9 C.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u00ed oxi \u00edt tan \u00edt trong n\u01b0\u1edbc, 100ml n\u01b0\u1edbc \u1edf 20 \u0111\u1ed9 C, 1 atm h\u00f2a tan \u0111\u01b0\u1ee3c 3.1ml kh\u00ed oxi.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed9 tan c\u1ee7a kh\u00ed oxi \u1edf 20 \u0111\u1ed9 C v\u00e0 1 atm l\u00e0 0.0043g trong 100g H2O.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc_cua_oxi\"><\/span>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a oxi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">T\u00ecm hi\u1ec3u v\u1ec1 oxi kh\u00f4ng th\u1ec3 b\u1ecf qua nh\u1eefng t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u01a1 b\u1ea3n c\u1ee7a n\u00f3. Nh\u00ecn chung, oxi l\u00e0 m\u1ed9t \u0111\u01a1n ch\u1ea5t phi kim r\u1ea5t ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c bi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao, d\u1ec5 tham gia ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u1edbi nhi\u1ec1u phi kim, nhi\u1ec1u kim lo\u1ea1i c\u0169ng nh\u01b0 h\u1ee3p ch\u1ea5t. Trong c\u00e1c h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc nguy\u00ean t\u1ed1 oxi c\u00f3 h\u00f3a tr\u1ecb II.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Oxi_tac_dung_voi_kim_loai\"><\/span>Oxi t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">SGK H\u00f3a h\u1ecdc 8 \u0111\u00e3 l\u1ea5y v\u00ed d\u1ee5 l\u00e0 m\u1ed9t th\u00ed nghi\u1ec7m \u0111\u1ec3 ch\u1ee9ng minh oxi c\u00f3 th\u1ec3 t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i nh\u01b0 sau:<\/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\/oxi-12.png\" alt=\"Th\u00ed nghi\u1ec7m s\u1eaft ch\u00e1y trong oxi. (\u1ea2nh: Ch\u1ee5p m\u00e0n h\u00ecnh SGK H\u00f3a h\u1ecdc 8)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">L\u1ea5y m\u1ed9t \u0111o\u1ea1n d\u00e2y s\u1eaft nh\u1ecf \u0111\u01b0a v\u00e0o l\u1ecd \u0111\u1ef1ng kh\u00ed oxi. Quan s\u00e1t th\u00ed nghi\u1ec7m \u0111\u1ec3 xem c\u00f3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc n\u00e0o x\u1ea3y ra kh\u00f4ng. Ti\u1ebfp t\u1ee5c qu\u1ea5n th\u00eam v\u00e0o \u0111\u1ea7u d\u00e2y s\u1eaft m\u1ed9t m\u1ea9u than g\u1ed7, \u0111\u1ed1t cho s\u1eaft v\u00e0 than n\u00f3ng \u0111\u1ecf r\u1ed3i \u0111\u01b0a v\u00e0o l\u1ecd ch\u1ee9a kh\u00ed oxi. Qua quan s\u00e1t ch\u00fang ta c\u00f3 th\u1ec3 r\u00fat ra nh\u1eadn x\u00e9t: Khi cho d\u00e2y s\u1eaft c\u00f3 qu\u1ea5n m\u1ea9u than h\u1ed3ng v\u00e0o l\u1ecd kh\u00ed oxi, m\u1ea9u than ch\u00e1y tr\u01b0\u1edbc t\u1ea1o nhi\u1ec7t \u0111\u1ed9 \u0111\u1ee7 cao cho s\u1eaft ch\u00e1y. S\u1eaft ch\u00e1y m\u1ea1nh, s\u00e1ng ch\u00f3i kh\u00f4ng c\u00f3 ng\u1ecdn l\u1eeda, kh\u00f4ng c\u00f3 kh\u00f3i, t\u1ea1o ra c\u00e1c h\u1ea1t nh\u1ecf n\u00f3ng ch\u1ea3y m\u00e0u n\u00e2u l\u00e0 s\u1eaft (II, III) oxit, c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc l\u00e0 Fe3O4 (oxit s\u1eaft t\u1eeb).<\/p>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra nh\u01b0 sau:<\/p>\n<p dir=\"ltr\">3Fe (r) + 2O2 (k) \u2192 Fe3O4 (\u0110i\u1ec1u ki\u1ec7n: Nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5 kh\u00e1c: Mg + O2 \u2192 2MgO (\u0110i\u1ec1u ki\u1ec7n: Nhi\u1ec7t \u0111\u1ed9)<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Oxi_tac_dung_voi_phi_kim\"><\/span>Oxi t\u00e1c d\u1ee5ng v\u1edbi phi kim<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Oxi t\u00e1c d\u1ee5ng v\u1edbi l\u01b0u hu\u1ef3nh (S)<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Th\u1ef1c hi\u1ec7n th\u00ed nghi\u1ec7m \u0111\u01b0a mu\u1ed7ng s\u1eaft c\u00f3 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf b\u1ed9t l\u01b0u hu\u1ef3nh v\u00e0o ng\u1ecdn l\u1eeda \u0111\u00e8n c\u1ed3n \u0111\u1ec3 quan s\u00e1t. Ti\u1ebfp t\u1ee5c \u0111\u01b0a l\u01b0u hu\u1ef3nh \u0111ang ch\u00e1y v\u00e0o l\u1ecd c\u00f3 ch\u1ee9a kh\u00ed oxi v\u00e0 so s\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng l\u01b0u hu\u1ef3nh ch\u00e1y trong oxi v\u00e0 trong kh\u00f4ng kh\u00ed.<\/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\/oxi-4.png\" alt=\"L\u01b0u hu\u1ef3nh ch\u00e1y trong kh\u00ed oxi. (\u1ea2nh: Ch\u1ee5p m\u00e0n h\u00ecnh SGK H\u00f3a h\u1ecdc 8)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Quan s\u00e1t th\u00ed nghi\u1ec7m ta c\u00f3 th\u1ec3 r\u00fat ra nh\u1eadn x\u00e9t:<\/p>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh ch\u00e1y trong kh\u00f4ng kh\u00ed v\u1edbi ng\u1ecdn l\u1eeda nh\u1ecf m\u00e0u xanh nh\u1ea1t, khi ch\u00e1y trong kh\u00f4ng kh\u00ed m\u00e3nh li\u1ec7t h\u01a1n t\u1ea1o th\u00e0nh kh\u00ed l\u01b0u hu\u1ef3nh \u0111ioxit SO2 (hay kh\u00ed sunfur\u01a1) v\u00e0 r\u1ea5t \u00edt l\u01b0u hu\u1ef3nh trioxit (SO3).<\/p>\n<p dir=\"ltr\">S\u1ef1 ch\u00e1y c\u1ee7a l\u01b0u hu\u1ef3nh \u1edf trong kh\u00f4ng kh\u00ed v\u00e0 kh\u00ed oxi \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc nh\u01b0 sau:<\/p>\n<p dir=\"ltr\">S (r)+ O2 (k) \u2192 SO2 (k) (\u0110i\u1ec1u ki\u1ec7n: Nhi\u1ec7t \u0111\u1ed9)<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Oxi t\u00e1c d\u1ee5ng v\u1edbi photpho (P)<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Th\u1ef1c hi\u1ec7n th\u00ed nghi\u1ec7m cho v\u00e0o mu\u1ed7ng s\u1eaft m\u1ed9t l\u01b0\u1ee3ng photpho \u0111\u1ecf (ch\u1ea5t r\u1eafn c\u00f3 m\u00e0u \u0111\u1ecf n\u00e2u, kh\u00f4ng tan trong n\u01b0\u1edbc). \u0110\u01b0a mu\u1ed7ng s\u1eaft c\u00f3 ch\u1ee9a photpho v\u00e0o l\u1ecd \u0111\u1ef1ng kh\u00ed oxi. Quan s\u00e1t xem c\u00f3 d\u1ea5u hi\u1ec7u c\u1ee7a ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc kh\u00f4ng. \u0110\u1ed1t ch\u00e1y photpho \u0111\u1ecf trong kh\u00f4ng kh\u00ed r\u1ed3i \u0111\u01b0a nhanh v\u00e0o l\u1ecd ch\u1ee9a kh\u00ed oxi v\u00e0 so s\u00e1nh s\u1ef1 ch\u00e1y c\u1ee7a photpho trong kh\u00f4ng kh\u00ed v\u00e0 trong kh\u00ed oxi. Nh\u1eadn x\u00e9t ch\u1ea5t t\u1ea1o th\u00e0nh \u1edf trong l\u1ecd v\u00e0 th\u00e0nh l\u1ecd.<\/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\/oxi-5.png\" alt=\"Photpho ch\u00e1y trong oxi. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Qua qu\u00e1 tr\u00ecnh quan s\u00e1t ta c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng r\u00fat ra nh\u1eadn x\u00e9t: Photpho ch\u00e1y m\u1ea1nh trong kh\u00ed oxi v\u1edbi ng\u1ecdn l\u1eeda s\u00e1ng ch\u00f3i, t\u1ea1o ra kh\u00f3i tr\u1eafng d\u00e0y \u0111\u1eb7c b\u00e1m v\u00e0o th\u00e0nh l\u1ecd d\u01b0\u1edbi d\u1ea1ng b\u1ed9t tan \u0111\u01b0\u1ee3c trong n\u01b0\u1edbc. B\u1ed9t tr\u1eafng \u0111\u00f3 l\u00e0 \u0111iphotpho pentaoxit, c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc l\u00e0 P2O5.<\/p>\n<p dir=\"ltr\">Ta c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc nh\u01b0 sau:<\/p>\n<p dir=\"ltr\">4P (r) + 5O2 (k) \u2192 2P2O5 (r) (\u0110i\u1ec1u ki\u1ec7n: Nhi\u1ec7t \u0111\u1ed9)<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Cacbon ch\u00e1y trong kh\u00f4ng kh\u00ed<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">C + O2 \u2192 CO2 (\u0110i\u1ec1u ki\u1ec7n: Nhi\u1ec7t \u0111\u1ed9)<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Oxi_tac_dung_voi_hop_chat\"><\/span>Oxi t\u00e1c d\u1ee5ng v\u1edbi h\u1ee3p ch\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ngo\u00e0i t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i v\u00e0 phi kim th\u00ec t\u00e1c d\u1ee5ng v\u1edbi h\u1ee3p ch\u1ea5t c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc quan tr\u1ecdng c\u1ee7a oxi.<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Oxi t\u00e1c d\u1ee5ng t\u00e1c kh\u00ed metan (CH4)<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Kh\u00ed metan (c\u00f3 trong kh\u00ed b\u00f9n ao, kh\u00ed bioga) ch\u00e1y trong kh\u00f4ng kh\u00ed do t\u00e1c d\u1ee5ng v\u1edbi kh\u00ed oxi t\u1ecfa ra nhi\u1ec1u nhi\u1ec7t. Ta c\u00f3 PTHH:<\/p>\n<p dir=\"ltr\">CH4 (k) + 2O2 (k) \u2192 CO2 (k) + 2H2O (h) (\u0110i\u1ec1u ki\u1ec7n: Nhi\u1ec7t \u0111\u1ed9)<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Oxi t\u00e1c d\u1ee5ng v\u1edbi CO (CO ch\u00e1y trong kh\u00f4ng kh\u00ed)<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">2CO + O2 \u2192 2CO2<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Etanol ch\u00e1y trong kh\u00f4ng kh\u00ed<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">C2H5OH + 3O2 \u2192 2CO2 + 3H2O<\/p>\n<p dir=\"ltr\">Xem th\u00eam:\u00a0Iot l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dieu_che_oxi_nhu_the_nao\"><\/span>\u0110i\u1ec1u ch\u1ebf oxi nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">C\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf oxi, t\u00f9y v\u00e0o m\u1ee5c \u0111\u00edch c\u1ee7a n\u00f3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch \u0111i\u1ec1u ch\u1ebf, s\u1ea3n xu\u1ea5t oxi trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 trong c\u00f4ng nghi\u1ec7p ph\u1ed5 bi\u1ebfn nh\u1ea5t!<\/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\/oxi-6.jpg\" alt=\"T\u00ecm hi\u1ec3u c\u00e1ch \u0111i\u1ec1u ch\u1ebf oxi. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dieu_che_oxi_trong_phong_thi_nghiem\"><\/span>\u0110i\u1ec1u ch\u1ebf oxi 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, kh\u00ed oxi \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch ph\u00e2n h\u1ee7y nh\u1eefng h\u1ee3p ch\u1ea5t gi\u00e0u oxi v\u00e0 \u00edt b\u1ec1n \u0111\u1ed1i v\u1edbi nhi\u1ec7t nh\u01b0 KMnO4 (r\u1eafn), KClO3 (r\u1eafn)\u2026 V\u00ed d\u1ee5:<\/p>\n<p dir=\"ltr\">2KMnO4 \u2192 K2MnO4 + MnO2 + O2 (\u0110i\u1ec1u ki\u1ec7n: Nhi\u1ec7t \u0111\u1ed9)<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"San_xuat_oxi_trong_cong_nghiep\"><\/span>S\u1ea3n xu\u1ea5t oxi trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00f3 2 c\u00e1ch \u0111\u1ec3 s\u1ea3n xu\u1ea5t oxi trong c\u00f4ng nghi\u1ec7p \u0111\u00f3 l\u00e0 s\u1ea3n xu\u1ea5t t\u1eeb kh\u00f4ng kh\u00ed v\u00e0 t\u1eeb n\u01b0\u1edbc.<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ea3n xu\u1ea5t oxi t\u1eeb kh\u00f4ng kh\u00ed: Kh\u00f4ng kh\u00ed sau khi \u0111\u00e3 lo\u1ea1i b\u1ecf h\u1ebft n\u01b0\u1edbc, b\u1ee5i, kh\u00ed cacbon \u0111ioxit, \u0111\u01b0\u1ee3c h\u00f3a l\u1ecfng. Ch\u01b0ng c\u1ea5t ph\u00e2n \u0111o\u1ea1n kh\u00f4ng kh\u00ed l\u1ecfng s\u1ebd thu \u0111\u01b0\u1ee3c oxi. Oxi \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n trong nh\u1eefng b\u00ecnh th\u00e9p c\u00f3 dung t\u00edch 100 l\u00edt d\u01b0\u1edbi \u00e1p su\u1ea5t 150 atm.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ea3n xu\u1ea5t oxi t\u1eeb n\u01b0\u1edbc: Ti\u1ebfn h\u00e0nh \u0111i\u1ec7n ph\u00e2n n\u01b0\u1edbc (n\u01b0\u1edbc c\u00f3 h\u00f2a tan m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf H2SO4 ho\u1eb7c NaOH \u0111\u1ec3 t\u0103ng t\u00ednh d\u1eabn \u0111i\u1ec7n c\u1ee7a n\u01b0\u1edbc), ch\u00fang ta thu \u0111\u01b0\u1ee3c kh\u00ed oxi \u1edf c\u1ef1c d\u01b0\u01a1ng v\u00e0 kh\u00ed hidro \u1edf c\u1ef1c \u00e2m. PTHH nh\u01b0 sau:<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">2H2O \u2192 (\u0111i\u1ec7n ph\u00e2n) 2H2 + O2 (k)<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_oxi_trong_doi_song\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a oxi trong \u0111\u1eddi s\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Kh\u00ed oxi c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong \u0111\u1eddi s\u1ed1ng con ng\u01b0\u1eddi c\u0169ng nh\u01b0 trong c\u00f4ng nghi\u1ec7p \u0111\u1ed1t nhi\u00ean li\u1ec7u.\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\/oxi-7.jpg\" alt=\"Oxi c\u1ea7n thi\u1ebft cho s\u1ef1 s\u1ed1ng. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Vai_tro_cua_oxi_voi_su_song_cua_con_nguoi_va_dong_vat\"><\/span>Vai tr\u00f2 c\u1ee7a oxi v\u1edbi s\u1ef1 s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Oxi c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng, c\u00f3 vai tr\u00f2 quy\u1ebft \u0111\u1ecbnh s\u1ef1 s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt. M\u1ed7i ng\u00e0y, ch\u00fang ta c\u1ea7n kho\u1ea3ng 20-30m3 kh\u00ed oxi \u0111\u1ec3 duy tr\u00ec s\u1ef1 s\u1ed1ng.<\/p>\n<p dir=\"ltr\">Nh\u1eefng th\u1ee3 ch\u1eefa ch\u00e1y, phi c\u00f4ng hay th\u1ee3 l\u1eb7n khi th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 \u0111\u1ec1u c\u1ea7n th\u1edf kh\u00ed oxi ch\u1ee9a trong c\u00e1c b\u00ecnh \u0111\u1eb7c bi\u1ec7t.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_oxi_trong_cong_nghiep_%E2%80%93_dot_nhien_lieu\"><\/span>\u1ee8ng d\u1ee5ng oxi trong c\u00f4ng nghi\u1ec7p \u2013 \u0111\u1ed1t nhi\u00ean li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi c\u00e1c nhi\u00ean li\u1ec7u ch\u00e1y trong oxi s\u1ebd t\u1ea1o nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n kh\u00e1 nhi\u1ec1u so v\u1edbi ch\u00e1y trong kh\u00f4ng kh\u00ed. \u1ee8ng d\u1ee5ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p \u0111\u1ed1t nhi\u00ean li\u1ec7u c\u1ee7a oxi c\u00f2n th\u1ec3 hi\u1ec7n qua ho\u1ea1t \u0111\u1ed9ng ch\u1ebf t\u1ea1o m\u00ecn ph\u00e1 \u0111\u00e1, oxi l\u1ecfng d\u00f9ng \u0111\u1ec3 \u0111\u1ed1t nhi\u00ean li\u1ec7u trong t\u00ean l\u1eeda. M\u1ed9t \u1ee9ng d\u1ee5ng kh\u00e1 g\u1ea7n g\u0169i c\u1ee7a oxi trong c\u00f4ng nghi\u1ec7p luy\u1ec7n gang th\u00e9p l\u00e0 th\u1ed5i kh\u00ed oxi \u0111\u1ec3 t\u1ea1o nhi\u1ec7t \u0111\u1ed9 l\u1edbn h\u01a1n, n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a gang v\u00e0 th\u00e9p.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_ve_oxi_SGK_Hoa_hoc_kem_loi_giai_chi_tiet\"><\/span>B\u00e0i t\u1eadp v\u1ec1 oxi SGK H\u00f3a h\u1ecdc k\u00e8m l\u1eddi gi\u1ea3i chi ti\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau khi \u0111\u00e3 n\u1eafm v\u1eefng nh\u1eefng ki\u1ebfn th\u1ee9c l\u00fd thuy\u1ebft c\u01a1 b\u1ea3n v\u1ec1 oxi b\u1ea1n h\u00e3y b\u1eaft tay th\u1ef1c h\u00e0nh l\u00e0m b\u00e0i t\u1eadp \u0111\u1ec3 hi\u1ec3u b\u00e0i nhanh h\u01a1n nh\u00e9. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00e0i b\u00e0i t\u1eadp v\u1ec1 oxi SGK H\u00f3a h\u1ecdc 8 v\u00e0 10 Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u1ed5ng h\u1ee3p k\u00e8m l\u1eddi gi\u1ea3i chi ti\u1ebft \u0111\u1ec3 b\u1ea1n tham kh\u1ea3o.<\/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\/oxi-8.jpg\" alt=\"Gi\u1ea3i b\u00e0i t\u1eadp v\u1ec1 oxi. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_ve_oxi_SGK_Hoa_hoc_8\"><\/span>B\u00e0i t\u1eadp v\u1ec1 oxi SGK H\u00f3a h\u1ecdc 8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">B\u00e0i 1 (SGK H\u00f3a h\u1ecdc 8, trang 84)<\/p>\n<p dir=\"ltr\">D\u00f9ng t\u1eeb th\u00edch h\u1ee3p trong khung \u0111\u1ec3 \u0111i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng trong c\u00e1c c\u00e2u sau:<\/p>\n<p dir=\"ltr\">Kim lo\u1ea1i, phi kim, r\u1ea5t ho\u1ea1t \u0111\u1ed9ng, phi kim r\u1ea5t ho\u1ea1t \u0111\u1ed9ng, h\u1ee3p ch\u1ea5t.<\/p>\n<p dir=\"ltr\">Kh\u00ed oxi l\u00e0 m\u1ed9t \u0111\u01a1n ch\u1ea5t \u2026 Oxi c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi nhi\u1ec1u \u2026, \u2026, \u2026<\/p>\n<p dir=\"ltr\"><em>G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:<\/em><\/p>\n<p dir=\"ltr\">Kh\u00ed oxi l\u00e0 m\u1ed9t \u0111\u01a1n ch\u1ea5t phi kim r\u1ea5t ho\u1ea1t \u0111\u1ed9ng. Oxi c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi nhi\u1ec1u phi kim, kim lo\u1ea1i, h\u1ee3p ch\u1ea5t.<\/p>\n<p dir=\"ltr\">B\u00e0i 2 (SGK H\u00f3a h\u1ecdc 8, trang 84)<\/p>\n<p dir=\"ltr\">N\u00eau c\u00e1c th\u00ed d\u1ee5 ch\u1ee9ng minh r\u1eb1ng oxi l\u00e0 m\u1ed9t \u0111\u01a1n ch\u1ea5t r\u1ea5t ho\u1ea1t \u0111\u1ed9ng (\u0111\u1eb7c bi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao)<\/p>\n<p dir=\"ltr\"><em>G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:<\/em><\/p>\n<p dir=\"ltr\">Oxi l\u00e0 m\u1ed9t \u0111\u01a1n ch\u1ea5t r\u1ea5t ho\u1ea1t \u0111\u1ed9ng (\u0111\u1eb7c bi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao), v\u00ed d\u1ee5:<\/p>\n<p dir=\"ltr\">3Fe + 2O2 \u2192 Fe3O4.<\/p>\n<p dir=\"ltr\">S + O2 \u2192 SO2.<\/p>\n<p dir=\"ltr\">B\u00e0i 3 (SGK H\u00f3a h\u1ecdc 8, trang 84)<\/p>\n<p dir=\"ltr\">Butan c\u00f3 c\u00f4ng th\u1ee9c C4H10 khi ch\u00e1y t\u1ea1o ra kh\u00ed cacbonic v\u00e0 h\u01a1i n\u01b0\u1edbc, \u0111\u1ed3ng th\u1eddi t\u1ecfa nhi\u1ec1u nhi\u1ec7t. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc bi\u1ec3u di\u1ec5n s\u1ef1 ch\u00e1y c\u1ee7a butan.<\/p>\n<p dir=\"ltr\"><em>G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:<\/em><\/p>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc:<\/p>\n<p dir=\"ltr\">2C4H10 + 13O2 \u2192 (nhi\u1ec7t \u0111\u1ed9) 8CO2 + 10H2O<\/p>\n<p dir=\"ltr\">B\u00e0i 4 (SGK H\u00f3a h\u1ecdc 8, trang 84)<\/p>\n<p dir=\"ltr\">\u0110\u1ed1t ch\u00e1y 12,4g photpho trong b\u00ecnh ch\u1ee9a 17g kh\u00ed oxi t\u1ea1o th\u00e0nh \u0111iphotpho pentaoxit P2O5 (l\u00e0 ch\u1ea5t r\u1eafn, tr\u1eafng).<\/p>\n<p dir=\"ltr\">a) Photpho hay oxi ch\u1ea5t n\u00e0o c\u00f2n th\u1eeba v\u00e0 s\u1ed1 mol ch\u1ea5t c\u00f2n th\u1eeba l\u00e0 bao nhi\u00eau?<\/p>\n<p dir=\"ltr\">b) Ch\u1ea5t n\u00e0o \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh? Kh\u1ed1i l\u01b0\u1ee3ng l\u00e0 bao nhi\u00eau?<\/p>\n<p dir=\"ltr\"><em>G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:<\/em><\/p>\n<p dir=\"ltr\">a) Ta c\u00f3 nP = 12.4\/31 = 0.4 (mol); nCO2 = 17\/32 = 0.53 (mol).<\/p>\n<p dir=\"ltr\">4P + 5O2 \u2192 2P2O5<\/p>\n<p dir=\"ltr\">X\u00e9t t\u1ec9 l\u1ec7 s\u1ed1 mol \u0111\u1ec1 b\u00e0i v\u1edbi s\u1ed1 mol ph\u01b0\u01a1ng tr\u00ecnh c\u1ee7a P v\u00e0 O2 ta c\u00f3:<\/p>\n<p dir=\"ltr\">0.4\/4 &lt; 0.53\/5 =&gt; P ph\u1ea3n \u1ee9ng h\u1ebft v\u1edbi O2 ph\u1ea3n \u1ee9ng d\u01b0.<\/p>\n<p dir=\"ltr\">nO2 p\u01b0 = 5\/4 x nP = 0.5 (mol).<\/p>\n<p dir=\"ltr\">X\u00e1c \u0111\u1ecbnh nO2 d\u01b0 = 0.53 \u2013 0.5 = 0.03 (mol).<\/p>\n<p dir=\"ltr\">b) Ch\u1ea5t t\u1ea1o th\u00e0nh l\u00e0 \u0111iphotpho pentaoxit P2O5.<\/p>\n<p dir=\"ltr\">Ta c\u00f3 nP2O5 = \u00bd x nP = 0.4\/2 = 0.2 mol<\/p>\n<p dir=\"ltr\">mP2O5 = n.M = 0.2 x (31x 2 + 16 x 5) = 28.4 (g).<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_ve_oxi_SGK_Hoa_hoc_10\"><\/span>B\u00e0i t\u1eadp v\u1ec1 oxi SGK H\u00f3a h\u1ecdc 10<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">B\u00e0i t\u1eadp 1 (SGK H\u00f3a 10, trang 127)<\/p>\n<p dir=\"ltr\">H\u00e3y gh\u00e9p c\u1ea5u h\u00ecnh electron v\u1edbi nguy\u00ean t\u1eed th\u00edch h\u1ee3p.<\/p>\n<p dir=\"ltr\">C\u1ea5u h\u00ecnh electron: A. 1s22s22p5; B. 1s22s22p4; C. 1s22s22p63s23p4; D. 1s22s22p63s23p5<\/p>\n<p dir=\"ltr\">Nguy\u00ean t\u1eed: a\/ Cl; b\/ S; c\/ O; d\/ F<\/p>\n<p dir=\"ltr\"><em>G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:<\/em><\/p>\n<p dir=\"ltr\">A &#8211; d; B &#8211; c; C &#8211; b; D &#8211; a.<\/p>\n<p dir=\"ltr\">B\u00e0i 2 (SGK H\u00f3a 10, trang 127)<\/p>\n<p dir=\"ltr\">Ch\u1ea5t n\u00e0o c\u00f3 li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb kh\u00f4ng c\u1ef1c:<\/p>\n<p dir=\"ltr\">A. H2S; B. O2; C. Al2S3; D. SO2.<\/p>\n<p dir=\"ltr\"><em>G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:<\/em><\/p>\n<p dir=\"ltr\">B. O2<\/p>\n<p dir=\"ltr\">B\u00e0i 4 (SGK H\u00f3a 10, trang 127)<\/p>\n<p dir=\"ltr\">H\u00e3y tr\u00ecnh b\u00e0y c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf kh\u00ed oxi trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 trong c\u00f4ng nghi\u1ec7p. T\u1ea1i sao kh\u00f4ng \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf kh\u00ed oxi trong ph\u00f2ng th\u00ed nghi\u1ec7m cho c\u00f4ng nghi\u1ec7p v\u00e0 ng\u01b0\u1ee3c l\u1ea1i?<\/p>\n<p dir=\"ltr\"><em>G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:<\/em><\/p>\n<p dir=\"ltr\" role=\"presentation\">\u0110i\u1ec1u ch\u1ebf oxi trong ph\u00f2ng th\u00ed nghi\u1ec7m:<\/p>\n<p dir=\"ltr\">Trong ph\u00f2ng th\u00ed nghi\u1ec7m, oxi \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch ph\u00e2n h\u1ee7y nh\u1eefng h\u1ee3p ch\u1ea5t gi\u00e0u Oxi v\u00e0 \u00edt b\u00ean v\u1edbi nhi\u1ec7t nh\u01b0 KMnO4, KClO3, &#8230;<\/p>\n<p dir=\"ltr\">2KMnO4 \u2192 K2MnO4 + MnO2 + O2<\/p>\n<p dir=\"ltr\">2KClO3 \u2192 2KCl + 3O2<\/p>\n<p dir=\"ltr\" role=\"presentation\">\u0110i\u1ec1u ch\u1ebf oxi trong c\u00f4ng nghi\u1ec7p:<\/p>\n<p dir=\"ltr\">C\u00f3 2 c\u00e1ch s\u1ea3n xu\u1ea5t l\u00e0:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\"><em>S\u1ea3n xu\u1ea5t oxi t\u1eeb kh\u00f4ng kh\u00ed: <\/em>Kh\u00f4ng kh\u00ed sau khi \u0111\u00e3 lo\u1ea1i b\u1ecf h\u1ebft n\u01b0\u1edbc, b\u1ee5i, kh\u00ed cacbon \u0111ioxit, \u0111\u01b0\u1ee3c h\u00f3a l\u1ecfng. Ch\u01b0ng c\u1ea5t ph\u00e2n \u0111o\u1ea1n kh\u00f4ng kh\u00ed l\u1ecfng s\u1ebd thu \u0111\u01b0\u1ee3c oxi. Oxi \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n trong nh\u1eefng b\u00ecnh th\u00e9p c\u00f3 dung t\u00edch 100 l\u00edt d\u01b0\u1edbi \u00e1p su\u1ea5t 150 atm.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\"><em>S\u1ea3n xu\u1ea5t oxi t\u1eeb n\u01b0\u1edbc: <\/em>Ti\u1ebfn h\u00e0nh \u0111i\u1ec7n ph\u00e2n n\u01b0\u1edbc (n\u01b0\u1edbc c\u00f3 h\u00f2a tan m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf H2So2 ho\u1eb7c NaOH \u0111\u1ec3 t\u0103ng t\u00ednh d\u1eabn \u0111i\u1ec7n c\u1ee7a n\u01b0\u1edbc), ch\u00fang ta thu \u0111\u01b0\u1ee3c kh\u00ed oxi \u1edf c\u1ef1c d\u01b0\u01a1ng v\u00e0 kh\u00ed hidro \u1edf c\u1ef1c \u00e2m. PTHH nh\u01b0 sau:<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">2H2O \u2192 (\u0111i\u1ec7n ph\u00e2n) 2H2 + O2 (k)<\/p>\n<p dir=\"ltr\">Kh\u00f4ng th\u1ec3 \u00e1p d\u1ee5ng tr\u00e1o \u0111\u1ed5i 2 quy tr\u00ecnh v\u00ec \u0111i\u1ec1u ch\u1ebf trong c\u00f4ng nghi\u1ec7p c\u1ea7n l\u01b0\u1ee3ng l\u1edbn oxi v\u1edbi gi\u00e1 th\u00e0nh r\u1ebb trong khi \u1edf ph\u00f2ng th\u00ed nghi\u1ec7m ch\u1ec9 c\u1ea7n 1 l\u01b0\u1ee3ng nh\u1ecf.\u00a0<\/p>\n<\/p>\n<p dir=\"ltr\">Tr\u00ean \u0111\u00e2y l\u00e0 to\u00e0n b\u1ed9 nh\u1eefng th\u00f4ng tin v\u1ec1 oxi hy v\u1ecdng s\u1ebd gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng t\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c \u0111\u1ec3 \u00f4n t\u1eadp hi\u1ec7u qu\u1ea3. Ti\u1ebfp t\u1ee5c chuy\u00ean m\u1ee5c Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef m\u1ed7i ng\u00e0y \u0111\u1ec3 \u0111\u00f3n \u0111\u1ecdc th\u00eam nhi\u1ec1u b\u00e0i chia s\u1ebb th\u00fa v\u1ecb nh\u00e9! Chia s\u1ebb n\u1ebfu b\u1ea1n th\u1ea5y b\u00e0i vi\u1ebft h\u1eefu \u00edch ho\u1eb7c nh\u1ea5n \u201cNH\u1eacN C\u1eacP NH\u1eacT\u201d tr\u00ean \u0111\u1ea7u b\u00e0i vi\u1ebft \u0111\u1ec3 \u0111\u1ecdc nh\u1eefng th\u00f4ng tin chia s\u1ebb s\u1edbm nh\u1ea5t m\u1ed7i tu\u1ea7n t\u1eeb Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef qua email.\u00a0<\/p>\n<p>                                    Ngu\u1ed3n tham kh\u1ea3o<\/p>\n<p>Oxygen chemical element &#8211; Ng\u00e0y truy c\u1eadp: 15\/7\/2022<\/p>\n<p>https:\/\/www.britannica.com\/science\/oxygen<\/p>\n<p>Oxygen &#8211; Ng\u00e0y truy c\u1eadp: 15\/7\/2022<\/p>\n<p>https:\/\/en.wikipedia.org\/wiki\/Oxygen<\/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>Chi\u1ebfm t\u1edbi 49.4% kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1ecf Tr\u00e1i \u0110\u1ea5t, oxi \u0111\u01b0\u1ee3c coi l\u00e0 nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc ph\u1ed5 bi\u1ebfn. \u0110\u00e2y c\u0169ng l\u00e0 n\u1ed9i dung ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc quan tr\u1ecdng trong ch\u01b0\u01a1ng tr\u00ecnh H\u00f3a h\u1ecdc c\u1ea3 c\u1ea5p THCS v\u00e0 THPT. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap c\u00e1c b\u1ea1n t\u1ed5ng h\u1ee3p nh\u1eefng ki\u1ebfn th\u1ee9c quan tr\u1ecdng v\u1ec1&#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-19163","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19163","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=19163"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19163\/revisions"}],"predecessor-version":[{"id":24270,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19163\/revisions\/24270"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=19163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=19163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=19163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}