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{"id":24492,"date":"2018-03-29T15:54:41","date_gmt":"2018-03-29T08:54:41","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=24492"},"modified":"2018-03-29T15:54:41","modified_gmt":"2018-03-29T08:54:41","slug":"chuong-4-bai-16-thuc-hanh-mot-so-tinh-chat-cua-protein-va-vat-lieu-polime","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/chuong-4-bai-16-thuc-hanh-mot-so-tinh-chat-cua-protein-va-vat-lieu-polime\/","title":{"rendered":"Ch\u01b0\u01a1ng 4 – B\u00e0i 16: Th\u1ef1c h\u00e0nh: M\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u1ee7a protein v\u00e0 v\u1eadt li\u1ec7u polime"},"content":{"rendered":"

B\u00e0i 1 (trang 78 SGK H\u00f3a 12):\u00a0Vi\u1ebft b\u1ea3n t\u01b0\u1eddng tr\u00ecnh<\/strong><\/p>\n

1. Th\u00ed nghi\u1ec7m 1: S\u1ef1 \u0111\u00f4ng t\u1ee5 protein khi \u0111un n\u00f3ng.<\/strong><\/em><\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng: Dung d\u1ecbch protein \u0111\u1ee5c d\u1ea7n sau \u0111\u00f3 \u0111\u00f4ng t\u1ee5 l\u1ea1i th\u00e0nh t\u1eebng m\u1ea3ng b\u00e1m v\u00e0o th\u00e0nh \u1ed1ng nghi\u1ec7m.<\/p>\n

Gi\u1ea3i th\u00edch: V\u00ec th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a l\u00f2ng tr\u1eafng tr\u1ee9ng l\u00e0 protein n\u00ean d\u1ec5 b\u1ecb \u0111\u00f4ng t\u1ee5 khi \u0111un n\u00f3ng.<\/p>\n

2. Th\u00ed nghi\u1ec7m 2: Ph\u1ea3n \u1ee9ng m\u00e0u biure.<\/strong><\/em><\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng: Dung d\u1ecbch xu\u1ea5t hi\u1ec7n m\u00e0u t\u00edm \u0111\u1eb7c tr\u01b0ng.<\/p>\n

Gi\u1ea3i th\u00edch: Do t\u1ea1o ra Cu(OH)2<\/sub>\u00a0theo PTHH:<\/p>\n

2NaOH + CuSO4<\/sub>\u00a0\u2192 Na2<\/sub>SO4<\/sub>\u00a0+ Cu(OH)2<\/sub>.<\/p>\n

Ph\u1ea3n \u1ee9ng gi\u1eefa Cu(OH)2<\/sub>\u00a0v\u1edbi c\u00e1c nh\u00f3m peptit -CO-NH- t\u1ea1o ra s\u1ea3n ph\u1ea9m m\u00e0u t\u00edm.<\/p>\n

3. Th\u00ed nghi\u1ec7m 3: T\u00ednh ch\u1ea5t c\u1ee7a m\u1ed9t v\u00e0i v\u1eadt li\u1ec7u polime khi \u0111un n\u00f3ng.<\/em><\/strong><\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng: Khi h\u01a1 n\u00f3ng c\u00e1c v\u1eadt li\u1ec7u:<\/p>\n

+ PVC b\u1ecb ch\u1ea3y ra tr\u01b0\u1edbc khi ch\u00e1y, cho nhi\u1ec1u kh\u00f3i \u0111en, kh\u00ed tho\u00e1t ra c\u00f3 m\u00f9i x\u1ed1c kh\u00f3 ch\u1ecbu.<\/p>\n

+ PE b\u1ecb ch\u1ea3y ra th\u00e0nh ch\u1ea5t l\u1ecfng, m\u1edbi ch\u00e1y cho kh\u00ed, c\u00f3 m\u1ed9t \u00edt kh\u00f3i \u0111en.<\/p>\n

+ S\u1ee3i len v\u00e0 v\u1ea3i s\u1ee3i ch\u00e1y m\u1ea1nh, kh\u00ed tho\u00e1t ra kh\u00f4ng c\u00f3 m\u00f9i.<\/p>\n

Gi\u1ea3i th\u00edch:<\/p>\n

PVC ch\u00e1y theo PTHH : (C2<\/sub>H3<\/sub>Cl)n<\/sub>\u00a0+ 5\/2n O2<\/sub>\u00a0\u2192 2nCO2<\/sub>\u00a0+ nH2<\/sub>O + nHCl.<\/p>\n

Ph\u1ea3n \u1ee9ng cho kh\u00ed HCl n\u00ean c\u00f3 m\u00f9i x\u1ed1c.<\/p>\n

PE ch\u00e1y theo PTHH: (C2<\/sub>H2<\/sub>)n<\/sub>\u00a0+ 3nO2<\/sub>\u00a0\u2192 2nCO2<\/sub>\u00a0+ 2nH2<\/sub>O.<\/p>\n

Ph\u1ea3n \u1ee9ng cho kh\u00ed CO2<\/sub>\u00a0n\u00ean kh\u00f4ng c\u00f3 m\u00f9i x\u1ed1c.<\/p>\n

– S\u1ee3i len v\u00e0 v\u1ea3i s\u1ee3i xenluloz\u01a1 ch\u00e1y theo PTHH:<\/p>\n

(C6<\/sub>H10<\/sub>O5<\/sub>)n<\/sub>\u00a0+ 6nO2<\/sub>\u00a0\u2192 6nCO2<\/sub>\u00a0+ 5nH2<\/sub>O.<\/p>\n

Kh\u00ed tho\u00e1t ra l\u00e0 CO2<\/sub>\u00a0kh\u00f4ng c\u00f3 m\u00f9i.<\/p>\n

<\/div>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i 1 (trang 78 SGK H\u00f3a 12):\u00a0Vi\u1ebft b\u1ea3n t\u01b0\u1eddng tr\u00ecnh 1. Th\u00ed nghi\u1ec7m 1: S\u1ef1 \u0111\u00f4ng t\u1ee5 protein khi \u0111un n\u00f3ng. Hi\u1ec7n t\u01b0\u1ee3ng: Dung d\u1ecbch protein \u0111\u1ee5c d\u1ea7n sau \u0111\u00f3 \u0111\u00f4ng t\u1ee5 l\u1ea1i th\u00e0nh t\u1eebng m\u1ea3ng b\u00e1m v\u00e0o th\u00e0nh \u1ed1ng nghi\u1ec7m. Gi\u1ea3i th\u00edch: V\u00ec th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a l\u00f2ng tr\u1eafng tr\u1ee9ng l\u00e0 protein n\u00ean d\u1ec5 […]<\/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":[1305],"tags":[1419,1420],"yoast_head":"\nCh\u01b0\u01a1ng 4 - B\u00e0i 16: Th\u1ef1c h\u00e0nh: M\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u1ee7a protein v\u00e0 v\u1eadt li\u1ec7u polime<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/chuong-4-bai-16-thuc-hanh-mot-so-tinh-chat-cua-protein-va-vat-lieu-polime\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 4 - B\u00e0i 16: Th\u1ef1c h\u00e0nh: M\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u1ee7a protein v\u00e0 v\u1eadt li\u1ec7u polime\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 78 SGK H\u00f3a 12):\u00a0Vi\u1ebft b\u1ea3n t\u01b0\u1eddng tr\u00ecnh 1. Th\u00ed nghi\u1ec7m 1: S\u1ef1 \u0111\u00f4ng t\u1ee5 protein khi \u0111un n\u00f3ng. Hi\u1ec7n t\u01b0\u1ee3ng: Dung d\u1ecbch protein \u0111\u1ee5c d\u1ea7n sau \u0111\u00f3 \u0111\u00f4ng t\u1ee5 l\u1ea1i th\u00e0nh t\u1eebng m\u1ea3ng b\u00e1m v\u00e0o th\u00e0nh \u1ed1ng nghi\u1ec7m. 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Th\u00ed nghi\u1ec7m 1: S\u1ef1 \u0111\u00f4ng t\u1ee5 protein khi \u0111un n\u00f3ng. Hi\u1ec7n t\u01b0\u1ee3ng: Dung d\u1ecbch protein \u0111\u1ee5c d\u1ea7n sau \u0111\u00f3 \u0111\u00f4ng t\u1ee5 l\u1ea1i th\u00e0nh t\u1eebng m\u1ea3ng b\u00e1m v\u00e0o th\u00e0nh \u1ed1ng nghi\u1ec7m. 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