{"id":4642,"date":"2020-04-20T15:46:19","date_gmt":"2020-04-20T08:46:19","guid":{"rendered":"https:\/\/bacdau.vn\/?post_type=kb&p=4642"},"modified":"2020-04-20T15:46:19","modified_gmt":"2020-04-20T08:46:19","slug":"dac-diem-tinh-chat-cua-nguyen-to-hoa-hoc-oxi","status":"publish","type":"kb","link":"https:\/\/bacdau.vn\/kb\/dac-diem-tinh-chat-cua-nguyen-to-hoa-hoc-oxi\/","title":{"rendered":"\u0110\u1eb7c \u0111i\u1ec3m t\u00ednh ch\u1ea5t c\u1ee7a nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc Oxi"},"content":{"rendered":"

\u0110\u1eb7c \u0111i\u1ec3m t\u00ednh ch\u1ea5t c\u1ee7a nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc Oxi<\/h2>\n

Gi\u1ed1ng nh\u01b0 c\u00e1c nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc kh\u00e1c th\u00ec Oxi l\u00e0 m\u1ed9t ch\u1ea5t v\u00f4 c\u00f9ng quan tr\u1ecdng trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c lo\u00e0i sinh v\u1eadt tr\u00ean tr\u00e1i \u0111\u1ea5t. V\u1eady \u0111\u1eb7c \u0111i\u1ec3m t\u00ednh ch\u1ea5t c\u1ee7a nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc Oxi l\u00e0 g\u00ec?<\/strong> M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng v\u1edbi bacdau.vn<\/strong> ch\u00fang t\u00f4i \u0111i gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y nh\u00e9!<\/p>\n

\"\"<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m nguy\u00ean t\u1ed1 Oxi<\/h3>\n

Theo ho\u00e1 h\u1ecdc th\u00ec Oxi thu\u1ed9c c\u1ea5u h\u00ecnh e, c\u00f3 nguy\u00ean t\u1eed l\u00e0 1s22s22p4. \u0110\u00e2y l\u00e0 nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc v\u00f4 c\u00f9ng ph\u1ed5 bi\u1ebfn tr\u00ean Tr\u00e1i \u0110\u1ea5t, n\u00f3 chi\u1ebfm kho\u1ea3ng 20% th\u1ec3 t\u00edch trong kh\u00f4ng kh\u00ed, v\u00e0 50% kh\u1ed1i l\u01b0\u1ee3ng v\u1ecf c\u1ee7a Tr\u00e1i \u0110\u1ea5t, v\u00e0 60% kh\u1ed1i l\u01b0\u1ee3ng c\u01a1 th\u1ec3 c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n

C\u00f2n \u1edf trong \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean th\u00ec nguy\u00ean t\u1ed1 Oxi c\u00f3 3 \u0111\u1ed3ng v\u1ecb: 16 0, 17 0 v\u00e0 18 0. Ti\u1ebfp \u0111\u1ebfn, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y oxi \u1edf trong c\u00e1c h\u1ee3p ch\u1ea5t v\u00e0 \u0111\u1eb7c bi\u1ec7t nh\u1ea5t l\u00e0 c\u00e1c lo\u1ea1i oxit c\u1ee7a kim lo\u1ea1i nh\u01b0 SiO3 v\u00e0 CO3<\/p>\n

T\u00ednh ch\u1ea5t c\u1ee7a oxi<\/h3>\n

+ V\u1eadt l\u00fd<\/strong><\/p>\n

Oxi l\u00e0 lo\u1ea1i ch\u1ea5t kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, kh\u00f4ng v\u1ecb, oxi c\u00f3 s\u1ed1 nguy\u00ean t\u1eed = 32 v\u00e0 n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed. \u0110\u00e2y l\u00e0 lo\u1ea1i ch\u1ea5t \u00edt tan trong n\u01b0\u1edbc, v\u00e0 khi ch\u00fang \u0111\u01b0\u1ee3c ho\u00e1 l\u1ecfng \u1edf nhi\u1ec7t \u0111\u1ed9 -183 \u0111\u1ed9 C, oxi s\u1ebd c\u00f3 m\u00e0u xanh nh\u1ea1t v\u00e0 \u1edf d\u1ea1ng l\u1ecfng v\u00e0 c\u00f3 th\u1ec3 b\u1ecb h\u00fat b\u1edfi nam ch\u00e2m.<\/p>\n

+ Ho\u00e1 h\u1ecdc<\/strong><\/p>\n

– Khi t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i<\/em> s\u1ebd t\u1ea1o ra c\u00e1c oxit, v\u00e0 \u0111\u00e2y l\u00e0 nguy\u00ean t\u1ed1 v\u00f4 c\u00f9ng d\u1ec5 ph\u1ea3n \u1ee9ng, v\u00e0 n\u00f3 c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi h\u1ea7u h\u1ebft c\u00e1c kim lo\u1ea1i nh\u01b0 Al hay Mg …<\/p>\n

Ph\u01b0\u01a1ng tr\u00ecnh: O2+2Mg\u21922MgO<\/p>\n

3O2+4Al\u21922Al2O3<\/p>\n

– Khi t\u00e1c d\u1ee5ng v\u1edbi phi kim<\/em> s\u1ebd t\u1ea1o ra oxit axit. \u0110\u00e2y l\u00e0 lo\u1ea1i ch\u1ea5t d\u00f9ng \u0111\u1ec3 ph\u1ea3n \u1ee9ng tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c phi kim nh\u01b0 O2.<\/p>\n

Ph\u01b0\u01a1ng tr\u00ecnh: 4P+5O2\u21922P2O5<\/p>\n

S+O2\u2192SO2<\/p>\n

– Khi t\u00e1c d\u1ee5ng v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t kh\u00e1c<\/em> s\u1ebd t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t m\u1edbi.<\/p>\n

Ph\u01b0\u01a1ng tr\u00ecnh: 2H2S+3O2\u21922SO2+2H2O<\/p>\n

2C2H5OH+7O2\u21924CO2+6H2O<\/p>\n

\"\"<\/p>\n

\u1ee8ng d\u1ee5ng v\u00e0 vai tr\u00f2 c\u1ee7a Oxi<\/h3>\n

Oxy c\u00f3 vai tr\u00f2 v\u00f4 c\u00f9ng to l\u1edbn trong c\u01a1 th\u1ec3 ng\u01b0\u1eddi n\u00f3i ri\u00eang v\u00e0 sinh v\u1eadt hi\u1ebfu kh\u00ed n\u00f3i chung. N\u00f3 l\u00e0 nguy\u00ean li\u1ec7u cho qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y t\u1ea1o n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 sinh c\u00f4ng cho c\u00e1c c\u01a1 quan ho\u1ea1t \u0111\u1ed9ng, duy tr\u00ec th\u00e2n nhi\u1ec7t …, ngo\u00e0i ra c\u00f2n tham gia v\u00e0o ph\u1ea3n \u1ee9ng bi\u1ebfn d\u01b0\u1ee1ng v\u00e0 nhi\u1ec1u ph\u1ea3n \u1ee9ng sinh h\u00f3a kh\u00e1c, t\u1ea5t c\u1ea3 c\u00e1c nh\u00f3m ph\u00e2n t\u1eed c\u1ea5u tr\u00fac ch\u00ednh trong c\u00e1c c\u01a1 th\u1ec3 s\u1ed1ng nh\u01b0 c\u00e1c protein, cacbohydrat, v\u00e0 m\u1ee1 \u0111\u1ec1u ch\u1ee9a \u00f4xy, c\u0169ng nh\u01b0 trong c\u00e1c h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 quan tr\u1ecdng c\u1ea5u t\u1ea1o t\u1ea1o n\u00ean c\u00e1c r\u0103ng v\u00e0 x\u01b0\u01a1ng<\/p>\n

Hi v\u1ecdng v\u1edbi nh\u1eefng chia s\u1ebb tr\u00ean v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m, t\u00ednh ch\u1ea5t v\u00e0 vai tr\u00f2 c\u1ee7a nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc oxi<\/strong>. Hi v\u1ecdng b\u1ea1n s\u1ebd gi\u00fap b\u1ea1n b\u1ed5 sung th\u00eam \u0111\u01b0\u1ee3c \u00edt ki\u1ebfn th\u1ee9c v\u00e0 c\u00f3 nh\u1eefng th\u1eddi gian vui v\u1ebb b\u00ean BacDau.Vn<\/strong> nh\u00e9<\/p>\n","protected":false},"excerpt":{"rendered":"

Gi\u1ed1ng nh\u01b0 c\u00e1c nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc kh\u00e1c th\u00ec Oxi l\u00e0 m\u1ed9t ch\u1ea5t v\u00f4 c\u00f9ng quan tr\u1ecdng trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c lo\u00e0i sinh v\u1eadt tr\u00ean tr\u00e1i \u0111\u1ea5t. V\u1eady \u0111\u1eb7c \u0111i\u1ec3m t\u00ednh ch\u1ea5t c\u1ee7a nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc Oxi l\u00e0 g\u00ec? M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng v\u1edbi bacdau.vn ch\u00fang t\u00f4i \u0111i gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y nh\u00e9!<\/p>\n","protected":false},"author":1,"featured_media":4643,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"kbtopic":[764],"kbtag":[],"_links":{"self":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/4642"}],"collection":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb"}],"about":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/types\/kb"}],"author":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/comments?post=4642"}],"version-history":[{"count":0,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/4642\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media\/4643"}],"wp:attachment":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media?parent=4642"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtopic?post=4642"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtag?post=4642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}