{"id":6058,"date":"2020-05-11T19:01:15","date_gmt":"2020-05-11T12:01:15","guid":{"rendered":"https:\/\/bacdau.vn\/?post_type=kb&p=6058"},"modified":"2020-05-11T19:05:09","modified_gmt":"2020-05-11T12:05:09","slug":"ruou-etylic","status":"publish","type":"kb","link":"https:\/\/bacdau.vn\/kb\/ruou-etylic\/","title":{"rendered":"R\u01b0\u1ee3u Etylic"},"content":{"rendered":"
R\u01b0\u1ee3u etylic hay c\u00f2n bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1i t\u00ean l\u00e0 etanol, l\u00e0 m\u1ed9t ch\u1ea5t h\u1eefu c\u01a1 n\u1eb1m trong d\u00e3y \u0111\u1ed3ng \u0111\u1eb3ng c\u1ee7a ancol, d\u1ec5 ch\u00e1y, kh\u00f4ng m\u00e0u l\u00e0 m\u1ed9t trong c\u00e1c lo\u1ea1i r\u01b0\u1ee3u c\u00f3 trong th\u00e0nh ph\u1ea7n \u0111\u1ed3 u\u1ed1ng ch\u1ee9a c\u1ed3n. D\u01b0\u1edbi \u0111\u00e2y, ch\u00fang ta s\u1ebd c\u00f9ng luy\u1ec7n t\u1eadp r\u01b0\u1ee3u etylic, axit axetic v\u00e0 ch\u1ea5t b\u00e9o.<\/p>\n
R\u01b0\u1ee3u etylic C2H5OH l\u00e0 ch\u1ea5t l\u1ecfng, kh\u00f4ng m\u00e0u, trong su\u1ed1t, m\u00f9i th\u01a1m d\u1ec5 ch\u1ecbu v\u00e0 \u0111\u1eb7c tr\u01b0ng, v\u1ecb cay.<\/p>\n
S\u00f4i \u1edf 78,3 \u0111\u1ed9 C, nh\u1eb9 h\u01a1n n\u01b0\u1edbc, h\u00f3a r\u1eafn \u1edf -114,15 \u0111\u1ed9 C<\/p>\n
H\u00fat \u1ea9m, d\u1ec5 ch\u00e1y, khi ch\u00e1y kh\u00f4ng c\u00f3 kh\u00f3i v\u00e0 ng\u1ecdn l\u1eeda c\u00f3 m\u00e0u xanh da tr\u1eddi. Etanol c\u00f3 t\u00ednh kh\u00fac x\u1ea1 h\u01a1i cao h\u01a1n so v\u1edbi n\u01b0\u1edbc, v\u1edbi h\u1ec7 s\u1ed1 kh\u00fac x\u1ea1 l\u00e0 1,36242 .<\/p>\n
Tan v\u00f4 h\u1ea1n trong n\u01b0\u1edbc v\u00e0 h\u00f2a tan \u0111\u01b0\u1ee3c nhi\u1ec1u ch\u1ea5t nh\u01b0 iot, benzen, tan trong este v\u00e0 clorofrom,…<\/p>\n
\u0110\u1ed9 r\u01b0\u1ee3u etylic l\u00e0 s\u1ed1 ml r\u01b0\u1ee3u nguy\u00ean ch\u1ea5t c\u00f3 trong 100ml h\u1ed7n h\u1ee3p r\u01b0\u1ee3u v\u00e0 n\u01b0\u1edbc.<\/p>\n
\u0110\u1ed9 r\u01b0\u1ee3u =VC2H5OHV(C2H5OH+H2O) *100 (V l\u00e0 th\u1ec3 t\u00edch c\u00f3 \u0111\u01a1n v\u1ecb l\u00e0 l\u00edt ho\u1eb7c ml).<\/p>\n