\u00a01. G\u1ee3i \u00fd cho b\u00e0i t\u01b0\u1eddng tr\u00ecnh:<\/b><\/p>\n

a. Chu\u1ea9n b\u1ecb:<\/i><\/p>\n

– M\u1eabu v\u1eadt: h\u1ea1t (l\u00faa, ng\u00f4, \u0111\u1eadu,\u2026) \u0111\u00e3 nh\u00fa m\u1ea7m.<\/p>\n

– D\u1ee5ng c\u1ee5: b\u00ecnh th\u1ee7y tinh dung t\u00edch 1 l\u00edt, n\u00fat cao su kh\u00f4ng khoan l\u1ed7, n\u00fat th\u1ee7y tinh c\u00f3 khoan 2 l\u1ed7 v\u1eeba kh\u00edt v\u1edbi \u1ed1ng th\u1ee7y tinh h\u00ecnh ch\u1eef U v\u00e0 ph\u1ec5u th\u1ee7y tinh, \u1ed1ng nghi\u1ec7m, c\u1ed1c c\u00f3 m\u1ecf.<\/p>\n

\u00a0b. Ti\u1ebfn h\u00e0nh:<\/i><\/p>\n

Th\u00ed nghi\u1ec7m 1:<\/p>\n

– L\u1ea5y n\u00fat th\u1ee7y tinh khoan 2 l\u1ed7, m\u1ed9t l\u1ed7 g\u1eafn \u1ed1ng th\u1ee7y tinh h\u00ecnh ch\u1eef U, m\u1ed9t l\u1ed7 g\u1eafn ph\u1ec5u th\u1ee7y tinh.<\/p>\n

– Cho 50g h\u1ea1t m\u1edbi nh\u00fa m\u1ea7m v\u00e0o b\u00ecnh th\u1ee7y tinh, n\u00fat ch\u1eb7t b\u00ecnh b\u1eb1ng n\u00fat 2 l\u1ed7 \u0111\u00e3 chu\u1ea9n b\u1ecb.<\/p>\n

– Cho \u0111\u1ea7u ngo\u00e0i \u1ed1ng ch\u1eef U v\u00e0o \u1ed1ng nghi\u1ec7m ch\u1ee9a n\u01b0\u1edbc v\u00f4i trong.<\/p>\n

– R\u00f3t n\u01b0\u1edbc t\u1eeb t\u1eeb qua ph\u1ec5u v\u00e0o b\u00ecnh ch\u1ee9a h\u1ea1t.<\/p>\n

– Sau 1,5 \u2013 2 gi\u1edd: Quan s\u00e1t hi\u1ec7n t\u01b0\u1ee3ng.<\/p>\n

Th\u00ed nghi\u1ec7m 2:<\/p>\n

– L\u1ea5y 100g h\u1ea1t m\u1edbi nh\u00fa m\u1ea7m, chia th\u00e0nh 2 ph\u1ea7n b\u1eb1ng nhau.<\/p>\n

– \u0110\u1ed5 n\u01b0\u1edbc s\u00f4i v\u00e0o 1 trong 2 ph\u1ea7n.<\/p>\n

– Cho m\u1ed7i ph\u1ea7n \u0111\u00f3 v\u00e0o 1 b\u00ecnh, n\u00fat ch\u1eb7t b\u00ecnh.<\/p>\n

– Sau 1- 2 gi\u1edd, m\u1edf b\u00ecnh th\u00ed nghi\u1ec7m, nhanh ch\u00f3ng \u0111\u01b0a n\u1ebfn ho\u1eb7c que di\u00eam \u0111ang ch\u00e1y v\u00e0o b\u00ecnh, quan s\u00e1t hi\u1ec7n t\u01b0\u1ee3ng.<\/p>\n

c. Hi\u1ec7n t\u01b0\u1ee3ng.<\/i><\/p>\n

Th\u00ed nghi\u1ec7m 1: Khi nh\u1ecf n\u01b0\u1edbc t\u1eeb t\u1eeb qua ph\u1ec5u v\u00e0o b\u00ecnh th\u00ec \u1edf \u1ed1ng nghi\u1ec7m ch\u1ee9a n\u01b0\u1edbc v\u00f4i trong d\u1ea7n xu\u1ea5t hi\u1ec7n c\u1eb7n v\u1ea9n.<\/p>\n

Th\u00ed nghi\u1ec7m 2: B\u00ecnh c\u00f3 h\u1ea1t kh\u00f4ng t\u01b0\u1edbi n\u01b0\u1edbc s\u00f4i th\u00ec l\u1eeda b\u1ecb t\u1eaft ngay, b\u00ecnh c\u00f3 h\u1ea1t \u0111\u00e3 t\u1edbi n\u01b0\u1edbc s\u00f4i th\u00ec l\u1eeda v\u1eabn ch\u00e1y.<\/p>\n

d. Gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng:<\/i><\/p>\n

Th\u00ed nghi\u1ec7m 1: CO_{2<\/sub>\u00a0\u0111\u01b0\u1ee3c t\u1ea1o ra n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed n\u00ean l\u1eafng xu\u1ed1ng \u0111\u00e1y b\u00ecnh. Khi cho n\u01b0\u1edbc v\u00e0o b\u00ecnh th\u00ec c\u1ed9t kh\u00ed \u0111\u1ea9y l\u00ean cao v\u00e0 tho\u00e1t \u0111\u01b0\u1ee3c ra qua \u1ed1ng ch\u1eef U, v\u00e0o \u1ed1ng nghi\u1ec7m ch\u1ee9a n\u01b0\u1edbc v\u00f4i trong v\u00e0 t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc v\u00f4i trong h\u00ecnh th\u00e0nh CaCO3<\/sub>\u00a0k\u1ebft t\u1ee7a.<\/p>\n}

Th\u00ed nghi\u1ec7m 2: b\u00ecnh ch\u1ee9a h\u1ea1t n\u1ea3y m\u1ea7m kh\u00f4ng t\u01b0\u1edbi n\u01b0\u1edbc s\u00f4i h\u00f4 h\u1ea5p v\u00e0 t\u1ea1o CO_{2<\/sub>\u00a0. Ng\u1ecdn l\u1eeda g\u1eb7p l\u01b0\u1ee3ng l\u1edbn CO2<\/sub>\u00a0s\u1ebd b\u1ecb t\u1eaft do kh\u00f4ng c\u00f3 O2<\/sub>\u00a0duy tr\u00ec s\u1ef1 ch\u00e1y. Ng\u1ecdn l\u1eeda v\u00e0o b\u00ecnh ch\u1ee9a h\u1ea1t \u0111\u00e3 t\u1edbi n\u01b0\u1edbc s\u00f4i s\u1ebd v\u1eabn ch\u00e1y v\u00ec h\u1ea1t \u0111\u00e3 b\u1ecb ch\u1ebft, kh\u00f4ng th\u1ec3 h\u00f4 h\u1ea5p \u0111\u1ec3 t\u1ea1o CO2<\/sub><\/p>\n}

2. K\u1ebft lu\u1eadn:<\/b><\/p>\n

– Qu\u00e1 tr\u00ecnh n\u1ea3y m\u1ea7m c\u1ee7a h\u1ea1t t\u1ea1o ra kh\u00ed CO_{2<\/sub>\u00a0. Nh\u01b0 v\u1eady khi n\u1ea3y m\u1ea7m h\u1ea1t x\u1ea3y ra qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p.<\/p>\n","protected":false},"excerpt":{"rendered":"}

\u00a01. G\u1ee3i \u00fd cho b\u00e0i t\u01b0\u1eddng tr\u00ecnh: a. Chu\u1ea9n b\u1ecb: – M\u1eabu v\u1eadt: h\u1ea1t (l\u00faa, ng\u00f4, \u0111\u1eadu,\u2026) \u0111\u00e3 nh\u00fa m\u1ea7m. – D\u1ee5ng c\u1ee5: b\u00ecnh th\u1ee7y tinh dung t\u00edch 1 l\u00edt, n\u00fat cao su kh\u00f4ng khoan l\u1ed7, n\u00fat th\u1ee7y tinh c\u00f3 khoan 2 l\u1ed7 v\u1eeba kh\u00edt v\u1edbi \u1ed1ng th\u1ee7y tinh h\u00ecnh ch\u1eef U v\u00e0 ph\u1ec5u th\u1ee7y […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1324],"tags":[1486,1485],"yoast_head":"\n