T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum<\/p>\n\n\n\n
C\u00f3 \u0111\u1ea5y! \u0111\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t l\u1ecfng g\u1ed3m carbon dioxide \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh \u0111\u1ebfn m\u1ed9t m\u1ee9c \u0111\u1ed9 n\u00e0o \u0111\u00f3, sau \u0111\u00f3 \u00e9p th\u00e0nh t\u1ea3ng, th\u00e0nh kh\u1ed1i y nh\u01b0 c\u00e2y n\u01b0\u1edbc \u0111\u00e1, nh\u01b0ng kh\u00f4ng trong khe, trong v\u1eaft, tr\u00e1i l\u1ea1i, tr\u1eafng mu\u1ed1t, tr\u1eafng nh\u01b0 tuy\u1ebft v\u1eady.<\/p>\n\n\n\n
C\u1ea3 tr\u0103m n\u0103m tr\u01b0\u1edbc, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c \u201cn\u01b0\u1edbc \u0111\u00e1 kh\u00f4\u201d \u0111\u1ec3 d\u00f9ng thay th\u1ebf m\u00e0 l\u1ea1i ti\u1ec7n d\u1ee5ng h\u01a1n tuy\u1ebft b\u1ed9i ph\u1ea7n khi d\u00f9ng n\u00f3 \u0111\u1ec3 \u201cl\u00e0m l\u1ea1nh\u201d m\u1ed9t v\u1eadt g\u00ec \u0111\u00f3. B\u1edfi v\u00ec, \u0111\u00e1 kh\u00f4 c\u00f3 th\u1ec3 l\u00e0m h\u1ea1 nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng kho\u1ea3ng -900C. C\u00e1c b\u1ea5t ti\u1ec7n l\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c, v\u00ec khi ch\u1ea3y ra n\u00f3 l\u1ea1i h\u00f3a l\u1ecfng. May thay v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft khi carbon dioxide th\u1ec3 r\u1eafn tr\u1ed9n l\u1eabn v\u1edbi th\u1ec3 l\u1ecfng kh\u00e1c nh\u01b0 c\u1ed3n ch\u1eb3ng h\u1ea1n s\u1ebd gi\u1eef \u0111\u01b0\u1ee3c r\u1ea5t l\u00e2u nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. Carbon dioxide th\u1ec3 r\u1eafn d\u01b0\u1edbi c\u00e1i t\u00ean th\u01b0\u01a1ng m\u00e3i l\u00e0 \u201cn\u01b0\u1edbc \u0111\u00e1 kh\u00f4\u201d \u0111\u01b0\u1ee3c d\u00f9ng v\u00ec ch\u1ea5t li\u1ec7u \u0111\u1eb7c n\u00e0y kh\u00f4ng tan ch\u1ea3y th\u00e0nh ch\u1ea5t l\u1ecfng m\u00e0 c\u1ee9 b\u1ed1c h\u01a1i l\u1ea7n l\u1ea7n. T\u00ednh n\u0103ng r\u1ea5t thu\u1eadn l\u1ee3i v\u00ec h\u01a1i b\u1ed1c t\u1ecfa v\u00e0o kh\u00f4ng kh\u00ed. Carbon dioxide th\u1ec3 \u0111\u1eb7c – n\u01b0\u1edbc \u0111\u00e1 kh\u00f4 – c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m l\u1ea1nh cao h\u01a1n ch\u00ednh n\u01b0\u1edbc \u0111\u00e1.<\/p>\n\n\n\n
C\u00f4ng d\u1ee5ng \u0111\u1ea7u ti\u00ean c\u1ee7a \u201cn\u01b0\u1edbc \u0111\u00e1 kh\u00f4\u201d l\u00e0 \u0111\u1ec3 tr\u1eef\u2026 kem. Nh\u01b0ng, \u0111\u00e2u ph\u1ea3i ch\u1ec9 c\u00f3 v\u1eady. N\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u01b0\u1edbp l\u1ea1nh c\u00e1, th\u1ecbt v\u00e0 c\u00e1c lo\u1ea1i d\u1ec5 b\u1ecb h\u01b0 th\u1ed1i \u0111\u1ec3 chuy\u00ean ch\u1edf \u0111i xa c\u1ea3 ng\u00e0n c\u00e2y s\u1ed1 trong nhi\u1ec1u ng\u00e0y d\u01b0\u1edbi t\u00e0u th\u1ee7y. Tr\u1ee9ng m\u00e0 \u0111em \u01b0\u1edbp \u201cn\u01b0\u1edbc \u0111\u00e1 kh\u00f4\u201d th\u00ec c\u00f3 th\u1ec3 g\u1ea7n nh\u01b0 t\u01b0\u01a1i ho\u00e0n to\u00e0n. L\u00fd do l\u00e0 v\u00ec tr\u1ee9ng h\u00f3a ra c\u0169 v\u00ec kh\u00ed carbon dioxide t\u1eeb trong tr\u1ee9ng tho\u00e1t ra ngo\u00e0i qua nh\u1eefng l\u1ed7 nh\u1ecf li ti tr\u00ean v\u1ecf tr\u1ee9ng. Nh\u01b0ng n\u1ebfu \u201c\u01b0\u1edbp l\u1ea1nh\u201d b\u1eb1ng \u201cn\u01b0\u1edbc \u0111\u00e1 kh\u00f4\u201d th\u00ec h\u01a1i kh\u00ed bao quanh v\u1ecf tr\u1ee9ng. V\u00ec v\u1eady tr\u1ee9ng v\u1eabn t\u01b0\u01a1i. C\u00e1c nh\u00e0 b\u00e1n hoa c\u00f3 th\u1ec3 gi\u1eef cho n\u1ee5 kh\u00f4ng n\u1edf trong ba ng\u00e0y, n\u1ebfu \u0111\u1ec3 hoa trong m\u00f4i tr\u01b0\u1eddng \u01b0\u1edbp carbon dioxide.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum C\u00f3 \u0111\u1ea5y! \u0111\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t l\u1ecfng g\u1ed3m carbon dioxide \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh \u0111\u1ebfn m\u1ed9t m\u1ee9c \u0111\u1ed9 n\u00e0o \u0111\u00f3, sau \u0111\u00f3 \u00e9p th\u00e0nh t\u1ea3ng, th\u00e0nh kh\u1ed1i y nh\u01b0 c\u00e2y n\u01b0\u1edbc \u0111\u00e1, nh\u01b0ng kh\u00f4ng trong khe, trong v\u1eaft, tr\u00e1i l\u1ea1i, […]<\/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":[15],"tags":[],"class_list":["post-14584","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14584","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=14584"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14584\/revisions"}],"predecessor-version":[{"id":14585,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14584\/revisions\/14585"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}