\u0110\u1eb7t ra c\u00e2u h\u1ecfi n\u00e0y c\u00f3 v\u1ebb h\u01a1i th\u1eeba. N\u01b0\u1edbc kh\u00f4ng ch\u00e1y, ai ch\u1ea3 bi\u1ebft. Th\u1ebf nh\u01b0ng t\u1ea1i sao n\u01b0\u1edbc kh\u00f4ng ch\u00e1y, qu\u1ea3 l\u00e0 c\u00e2u h\u1ecfi kh\u00f4ng d\u1ec5 tr\u1ea3 l\u1eddi.<\/p>\n\n\n\n
\u0110\u1ec3 gi\u1ea3i \u0111\u00e1p r\u00f5 r\u00e0ng c\u00e2u h\u1ecfi n\u00e0y, tr\u01b0\u1edbc h\u1ebft ta ph\u1ea3i hi\u1ec3u s\u1ef1 ch\u00e1y l\u00e0 g\u00ec?<\/p>\n\n\n\n
Th\u00f4ng th\u01b0\u1eddng th\u00ec s\u1ef1 ch\u00e1y l\u00e0 ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc c\u1ee7a c\u00e1c ch\u1ea5t v\u1edbi oxy. C\u00f3 nh\u1eefng ch\u1ea5t ngay \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng, c\u0169ng b\u1ed1c ch\u00e1y khi g\u1eb7p oxy. Photpho tr\u1eafng l\u00e0 m\u1ed9t v\u00ed d\u1ee5. L\u1ea1i c\u00f3 nh\u1eefng ch\u1ea5t nh\u01b0 than \u0111\u00e1 (th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu l\u00e0 cacbon), hy\u0111ro, l\u01b0u hu\u1ef3nh, \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng khi ti\u1ebfp x\u00fac oxy kh\u00f4ng h\u1ec1 c\u00f3 ph\u1ea3n \u1ee9ng, nh\u01b0ng khi t\u0103ng cao nhi\u1ec7t \u0111\u1ed9 th\u00ec ch\u00fang s\u1ebd b\u1ed1c ch\u00e1y.<\/p>\n\n\n\n
Tr\u00f4ng b\u00ean ngo\u00e0i th\u00ec r\u01b0\u1ee3u, x\u0103ng, d\u1ea7u ho\u1ea3, n\u01b0\u1edbc \u0111\u1ec1u l\u00e0 nh\u1eefng ch\u1ea5t l\u1ecfng trong su\u1ed1t, r\u1ea5t gi\u1ed1ng nhau. Th\u1ebf nh\u01b0ng r\u01b0\u1ee3u l\u00e0 do ba nguy\u00ean t\u1ed1 cacbon, hy\u0111ro, oxy, c\u00f2n x\u0103ng, d\u1ea7u ho\u1ea3 l\u00e0 do hai nguy\u00ean t\u1ed1 cacbon, hy\u0111ro t\u1ea1o th\u00e0nh. \u0110\u1ea1i b\u1ed9 ph\u1eadn c\u00e1c ch\u1ea5t ch\u1ee9a cacbon \u0111\u1ec1u c\u00f3 th\u1ec3 ch\u00e1y \u0111\u01b0\u1ee3c. R\u01b0\u1ee3u, x\u0103ng, d\u1ea7u ho\u1ea3 c\u00f3 1 nguy\u00ean t\u1eed cacbon k\u1ebft h\u1ee3p v\u1edbi hai nguy\u00ean t\u1eed oxy th\u00e0nh ph\u00e2n t\u1eed cacbon \u0111ioxit. C\u00f2n c\u00e1c nguy\u00ean t\u1eed hy\u0111ro l\u1ea1i k\u1ebft h\u1ee3p v\u1edbi oxy th\u00e0nh ph\u00e2n t\u1eed n\u01b0\u1edbc v\u00e0 do \u0111\u00f3 c\u00e1c h\u1ee3p ch\u1ea5t n\u00f3i tr\u00ean \u0111\u1ec1u ch\u00e1y s\u1ea1ch.<\/p>\n\n\n\n
\u0110\u1ebfn \u0111\u00e2y ch\u1eafc c\u00e1c b\u1ea1n \u0111\u1ec1u \u0111\u00e3 r\u00f5 t\u1ea1i sao n\u01b0\u1edbc l\u1ea1i kh\u00f4ng ch\u00e1y. N\u01b0\u1edbc l\u00e0 do hai nguy\u00ean t\u1ed1 hy\u0111ro v\u00e0 oxy t\u1ea1o n\u00ean, l\u00e0 do k\u1ebft qu\u1ea3 s\u1ef1 ch\u00e1y c\u1ee7a nguy\u00ean t\u1ed1 hy\u0111ro. \u0110\u00e3 l\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a s\u1ef1 ch\u00e1y n\u00ean \u0111\u01b0\u01a1ng nhi\u00ean n\u00f3 kh\u00f4ng c\u00f3 th\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng l\u1ea1i ti\u1ebfp t\u1ee5c k\u1ebft h\u1ee3p v\u1edbi oxy hay n\u00f3i c\u00e1ch kh\u00e1c n\u00f3 kh\u00f4ng th\u1ec3 l\u1ea1i ch\u00e1y m\u1ed9t l\u1ea7n n\u1eefa. C\u00f9ng v\u1edbi l\u00fd lu\u1eadn t\u01b0\u01a1ng t\u1ef1, cacbon \u0111ioxit l\u00e0 s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng c\u1ee7a s\u1ef1 ch\u00e1y n\u00ean cacbon \u0111ioxit kh\u00f4ng th\u1ec3 ch\u00e1y \u0111\u01b0\u1ee3c n\u1eefa. Do cacbon \u0111ioxit kh\u00f4ng ti\u1ebfp d\u01b0\u1ee1ng \u0111\u01b0\u1ee3c s\u1ef1 ch\u00e1y, l\u1ea1i c\u00f3 t\u1ef7 tr\u1ecdng n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed, n\u00ean ng\u01b0\u1eddi ta d\u00f9ng cacbon \u0111ioxit \u0111\u1ec3 d\u1eadp l\u1eeda.<\/p>\n\n\n\n
\u0110\u01b0\u01a1ng nhi\u00ean c\u0169ng kh\u00f4ng \u00edt lo\u1ea1i v\u1eadt ch\u1ea5t kh\u00f4ng th\u1ec3 ho\u00e1 h\u1ee3p v\u1edbi oxy cho d\u00f9 c\u00f3 \u0111\u01b0a nhi\u1ec7t \u0111\u1ed9 l\u00ean cao \u0111\u1ebfn m\u1ea5y \u0111i n\u1eefa th\u00ec ch\u00fang c\u0169ng ch\u1ec9 l\u00e0 “b\u1ea1n t\u1ed1t” c\u1ee7a oxy. C\u00e1c lo\u1ea1i v\u1eadt ch\u1ea5t n\u00e0y l\u00e0 nh\u1eefng ch\u1ea5t kh\u00f4ng ch\u00e1y \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: N\u01b0\u1edbc; S\u1ef1 ch\u00e1y.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
\u0110\u1eb7t ra c\u00e2u h\u1ecfi n\u00e0y c\u00f3 v\u1ebb h\u01a1i th\u1eeba. N\u01b0\u1edbc kh\u00f4ng ch\u00e1y, ai ch\u1ea3 bi\u1ebft. Th\u1ebf nh\u01b0ng t\u1ea1i sao n\u01b0\u1edbc kh\u00f4ng ch\u00e1y, qu\u1ea3 l\u00e0 c\u00e2u h\u1ecfi kh\u00f4ng d\u1ec5 tr\u1ea3 l\u1eddi. \u0110\u1ec3 gi\u1ea3i \u0111\u00e1p r\u00f5 r\u00e0ng c\u00e2u h\u1ecfi n\u00e0y, tr\u01b0\u1edbc h\u1ebft ta ph\u1ea3i hi\u1ec3u s\u1ef1 ch\u00e1y l\u00e0 g\u00ec? Th\u00f4ng th\u01b0\u1eddng th\u00ec s\u1ef1 ch\u00e1y l\u00e0 ph\u1ea3n \u1ee9ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,15],"tags":[],"class_list":["post-7745","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=7745"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7745\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}