{"segment":[{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Protein c\u00f3 nhi\u1ec1u trong c\u01a1 th\u1ec3 ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt, th\u1ef1c v\u1eadt nh\u01b0:","select":["A. L\u00faa, ng\u00f4, khoai, s\u1eafn,...","B. Tre, g\u1ed7, n\u1ee9a, b\u00f4ng,... ","C. Th\u1ecbt, tr\u1ee9ng, s\u1eefa, m\u00f3ng.... ","D. D\u1ea7u d\u1eeba, d\u1ea7u m\u00e8, rau,.. "],"hint":"","explain":"<span class='basic_left'>Protein c\u00f3 nhi\u1ec1u trong c\u01a1 th\u1ec3 ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt, th\u1ef1c v\u1eadt nh\u01b0: tr\u1ee9ng, th\u1ecbt, s\u1eefa, m\u00e1u, t\u00f3c, s\u1eebng, m\u00f3ng,....<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2651},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Protein c\u00f3 ph\u1ea3n \u1ee9ng \u0111\u1eb7c tr\u01b0ng n\u00e0o d\u01b0\u1edbi \u0111\u00e2y:","select":["A. Ph\u1ea3n \u1ee9ng c\u1ed9ng ","B. Ph\u1ea3n \u1ee9ng th\u1ebf","C. Ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n","D. Ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p "],"hint":"","explain":"<span class='basic_left'>Protein c\u00f3 ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2652},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Ch\u1ecdn nh\u1eadn x\u00e9t \u0111\u00fang ","select":["A. Protein c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed l\u1edbn v\u00e0 c\u1ea5u t\u1ea1o \u0111\u01a1n gi\u1ea3n.","B. Protein c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed l\u1edbn v\u00e0 do nhi\u1ec1u ph\u00e2n t\u1eed aminoaxit gi\u1ed1ng nhau t\u1ea1o n\u00ean.","C. Protein c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed r\u1ea5t l\u1edbn v\u00e0 c\u1ea5u t\u1ea1o c\u1ef1c k\u00ec ph\u1ee9c t\u1ea1p do nhi\u1ec1u lo\u1ea1i aminoaxit t\u1ea1o n\u00ean.","D. Protein c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed l\u1edbn do nhi\u1ec1u ph\u00e2n t\u1eed axit aminoaxetic t\u1ea1o n\u00ean."],"hint":"","explain":"<span class='basic_left'> Protein c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed r\u1ea5t l\u1edbn v\u00e0 c\u1ea5u t\u1ea1o c\u1ef1c k\u00ec ph\u1ee9c t\u1ea1p do nhi\u1ec1u lo\u1ea1i aminoaxit t\u1ea1o n\u00ean.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2653},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Tr\u1ee9ng l\u00e0 lo\u1ea1i th\u1ef1c ph\u1ea9m ch\u1ee9a nhi\u1ec1u ","select":["A. ch\u1ea5t b\u00e9o. ","B. ch\u1ea5t \u0111\u01b0\u1eddng. ","C. ch\u1ea5t b\u1ed9t. ","D. protein"],"hint":"","explain":"<span class='basic_left'>Tr\u1ee9ng l\u00e0 lo\u1ea1i th\u1ef1c ph\u1ea9m ch\u1ee9a nhi\u1ec1u protein <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2654},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Trong th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o ph\u00e2n t\u1eed c\u1ee7a protein ngo\u00e0i c\u00e1c nguy\u00ean t\u1ed1 C, H, O th\u00ec nh\u1ea5t thi\u1ebft ph\u1ea3i c\u00f3 nguy\u00ean t\u1ed1","select":["A. l\u01b0u hu\u1ef3nh. ","B. s\u1eaft. ","C. clo. ","D. nit\u01a1."],"hint":"","explain":"<span class='basic_left'>Trong th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o ph\u00e2n t\u1eed c\u1ee7a protein c\u00f3 c\u00e1c nguy\u00ean t\u1ed1 C, H, O, N v\u00e0 1 s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf S, P, ...<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2655},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" S\u1ef1 th\u1ee7y ph\u00e2n protein trong dung d\u1ecbch axit ho\u1eb7c baz\u01a1 t\u1ea1o ra s\u1ea3n ph\u1ea9m l\u00e0:","select":["A. H\u1ed7n h\u1ee3p c\u00e1c mu\u1ed1i c\u1ee7a axit b\u00e9o","B. H\u1ed7n h\u1ee3p c\u00e1c amin ","C. H\u1ed7n h\u1ee3p c\u00e1c amino axit","D. H\u1ed7n h\u1ee3p c\u00e1c este"],"hint":"","explain":"<span class='basic_left'>S\u1ef1 th\u1ee7y ph\u00e2n protein trong dung d\u1ecbch axit ho\u1eb7c baz\u01a1 t\u1ea1o ra h\u1ed7n h\u1ee3p c\u00e1c amino axit<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2656},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" \u0110\u1ed1t ch\u00e1y t\u00f3c, s\u1eebng ho\u1eb7c m\u00f3ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng:","select":["A. T\u1ea1o th\u00e0nh c\u00e1c ch\u1ea5t bay h\u01a1i kh\u00f4ng m\u00f9i","B. T\u1ea1o th\u00e0nh c\u00e1c ch\u1ea5t bay h\u01a1i c\u00f3 m\u00f9i s\u1ed1c","C. T\u1ea1o th\u00e0nh c\u00e1c ch\u1ea5t bay h\u01a1i c\u00f3 m\u00f9i kh\u00e9t ","D. T\u1ea1o th\u00e0nh c\u00e1c ch\u1ea5t bay h\u01a1i c\u00f3 m\u00f9i tr\u1ee9ng th\u1ed1i"],"hint":"","explain":"<span class='basic_left'>\u0110\u1ed1t ch\u00e1y t\u00f3c, s\u1eebng ho\u1eb7c m\u00f3ng sinh ra c\u00e1c ch\u1ea5t bya h\u01a1i c\u00f3 m\u00f9i kh\u00e9t<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2657},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Cho m\u1ed9t \u00edt l\u00f2ng tr\u1eafng tr\u1ee9ng v\u00e0o \u1ed1ng nghi\u1ec7m, th\u00eam m\u1ed9t \u00edt r\u01b0\u1ee3u v\u00e0 l\u1eafc nh\u1eb9 th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng l\u00e0:","select":["A. Xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a v\u00e0ng ","B. Xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a \u0111en ","C. Xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng ","D. Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng g\u00ec"],"hint":"","explain":"<span class='basic_left'>Cho m\u1ed9t \u00edt l\u00f2ng tr\u1eafng tr\u1ee9ng v\u00e0o \u1ed1ng nghi\u1ec7m, th\u00eam m\u1ed9t \u00edt r\u01b0\u1ee3u v\u00e0 l\u1eafc nh\u1eb9 th\u1ea5y xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2658},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" D\u1ea5u hi\u1ec7u \u0111\u1ec3 nh\u1eadn bi\u1ebft protein l\u00e0 ","select":["A. l\u00e0m dung d\u1ecbch iot \u0111\u1ed5i m\u00e0u xanh.","B. c\u00f3 ph\u1ea3n \u1ee9ng \u0111\u00f4ng t\u1ee5 tr\u1eafng khi \u0111un n\u00f3ng.","C. th\u1ee7y ph\u00e2n trong dung d\u1ecbch axit.","D. \u0111\u1ed1t ch\u00e1y c\u00f3 m\u00f9i kh\u00e9t v\u00e0 c\u00f3 ph\u1ea3n \u1ee9ng \u0111\u00f4ng t\u1ee5 khi \u0111un n\u00f3ng."],"hint":"","explain":"<span class='basic_left'>D\u1ea5u hi\u1ec7u \u0111\u1ec3 nh\u1eadn bi\u1ebft protein l\u00e0 \u0111\u1ed1t ch\u00e1y c\u00f3 m\u00f9i kh\u00e9t v\u00e0 c\u00f3 ph\u1ea3n \u1ee9ng \u0111\u00f4ng t\u1ee5 khi \u0111un n\u00f3ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2659},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" \u1ee8ng d\u1ee5ng ch\u00ednh c\u1ee7a protein l\u00e0:","select":["A. L\u00e0m nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p d\u1ec7t","B. L\u00e0m nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p m\u0129 ngh\u1ec7","C. L\u00e0m th\u1ee9c \u0103n","D. L\u00e0m nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t x\u00e0 ph\u00f2ng"],"hint":"","explain":"<span class='basic_left'>Protein \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m th\u1ee9c \u0103n l\u00e0 ch\u00ednh.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2660},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Cho m\u1ed9t \u00edt l\u00f2ng tr\u1eafng tr\u1ee9ng v\u00e0o \u1ed1ng nghi\u1ec7m, th\u00eam m\u1ed9t \u00edt n\u01b0\u1edbc v\u00e0 l\u1eafc nh\u1eb9 v\u00e0 \u0111un n\u00f3ng th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng l\u00e0:","select":["A. Xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a v\u00e0ng ","B. Xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a \u0111en ","C. Xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng ","D. Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng g\u00ec"],"hint":"","explain":"<span class='basic_left'>Cho m\u1ed9t \u00edt l\u00f2ng tr\u1eafng tr\u1ee9ng v\u00e0o \u1ed1ng nghi\u1ec7m, th\u00eam m\u1ed9t \u00edt n\u01b0\u1edbc v\u00e0 l\u1eafc nh\u1eb9 v\u00e0 \u0111un n\u00f3ng th\u1ea5y xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2661},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u1ed9t s\u1ed1 protein tan \u0111\u01b0\u1ee3c trong n\u01b0\u1edbc t\u1ea1o th\u00e0nh dung d\u1ecbch keo, khi \u0111un n\u00f3ng ho\u1eb7c th\u00eam h\u00f3a ch\u1ea5t v\u00e0o dung d\u1ecbch n\u00e0y th\u01b0\u1eddng x\u1ea3y ra s\u1ef1 k\u1ebft t\u1ee7a protein. Hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3 g\u1ecdi l\u00e0:","select":["A. S\u1ef1 oxi h\u00f3a ","B. S\u1ef1 ch\u00e1y ","C. S\u1ef1 \u0111\u1ed9ng t\u1ee5","D. S\u1ef1 kh\u1eed "],"hint":"","explain":"<span class='basic_left'>M\u1ed9t s\u1ed1 protein tan \u0111\u01b0\u1ee3c trong n\u01b0\u1edbc t\u1ea1o th\u00e0nh dung d\u1ecbch keo, khi \u0111un n\u00f3ng ho\u1eb7c th\u00eam h\u00f3a ch\u1ea5t v\u00e0o dung d\u1ecbch n\u00e0y th\u01b0\u1eddng x\u1ea3y ra s\u1ef1 k\u1ebft t\u1ee7a protein \u0111\u00f3 l\u00e0 s\u1ef1 \u0111\u00f4ng t\u1ee5 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2662},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Aminoaxit (A) ch\u1ee9a 13,59% nit\u01a1 v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a aminoaxit l\u00e0 ","select":["A. $C_3H_7O_2N$.","B. $C_4H_9O_2N$. ","C. $C_5H_{11}O_2N$. ","D. $C_6H_{13}O_2N$."],"hint":"","explain":"<span class='basic_left'>T\u00ednh % nguy\u00ean t\u1ed1 N \u1edf 4 \u0111\u00e1p \u00e1n ch\u1ec9 c\u00f3 \u0111\u00e1p \u00e1n B th\u1ecfa m\u00e3n: <br\/> $B.\\%{{m}_{N}}=\\dfrac{14}{103}.100\\%\\approx 13,59\\%$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2663},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" \u0110\u1ec3 ph\u00e2n bi\u1ec7t v\u1ea3i d\u1ec7t b\u1eb1ng t\u01a1 t\u1eb1m v\u00e0 v\u1ea3i d\u1ec7t b\u1eb1ng b\u00f4ng. Ch\u00fang ta c\u00f3 th\u1ec3:","select":["A. Gia nhi\u1ec7t \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng \u0111\u1ed9ng t\u1ee5 ","B. \u0110\u1ed1t v\u00e0 ng\u1eedi n\u1ebfu c\u00f3 m\u00f9i kh\u00e9t l\u00e0 v\u1ea3i b\u1eb1ng b\u00f4ng","C. \u0110\u1ed1t v\u00e0 ng\u1eedi n\u1ebfu c\u00f3 m\u00f9i kh\u00e9t l\u00e0 v\u1ea3i b\u1eb1ng t\u01a1 t\u1eb1m","D. D\u00f9ng ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n."],"hint":"","explain":"<span class='basic_left'>\u0110\u1ed1t n\u00f3ng 2 lo\u1ea1i v\u1ea3i. V\u1ea3i d\u1ec7t b\u1eb1ng t\u01a1 t\u1eb1m c\u00f3 c\u1ea5u t\u1ea1o protein n\u00ean khi \u0111\u1ed1t c\u00f3 kh\u00ed bay h\u01a1i m\u00f9i kh\u00e9t. C\u00f2n v\u1ea3i d\u1ec7t b\u1eb1ng b\u00f4ng \u0111\u1ed1t kh\u00f4ng c\u00f3 m\u00f9i <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2664},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Th\u1ee7y ph\u00e2n ho\u00e0n to\u00e0n protein thu \u0111\u01b0\u1ee3c amino axit X c\u00f3 c\u00f4ng th\u1ee9c l\u00e0 $C_2H_5NO_2$. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 7,5 gam X thu \u0111\u01b0\u1ee3c kh\u00ed $CO_2$, h\u01a1i $H_2O$ v\u00e0 kh\u00ed $N_2$ c\u00f3 t\u1ed5ng th\u1ec3 t\u00edch \u1edf \u0111ktc l\u00e0:","select":["A. 4,48 l\u00edt","B. 5,6 l\u00edt","C. 11,2 l\u00edt ","D. 22,4 l\u00edt "],"hint":"","explain":"<span class='basic_left'>$\\begin{aligned} & {{n}_{{{C}_{2}}{{H}_{5}}N{{O}_{2}}}}=0,1\\,mol \\\\ & 4{{C}_{2}}{{H}_{5}}N{{O}_{2}}+9{{O}_{2}}\\xrightarrow{{{t}^{0}}}8C{{O}_{2}}+10{{H}_{2}}O+2{{N}_{2}} \\\\ & {{n}_{C{{O}_{2}}}}=2{{n}_{{{C}_{2}}{{H}_{5}}N{{O}_{2}}}}=0,2\\,mol \\\\ & {{n}_{{{H}_{2}}O}}=\\dfrac{10}{4}{{n}_{{{C}_{2}}{{H}_{5}}N{{O}_{2}}}}=0,25\\,mol \\\\ & {{n}_{{{N}_{2}}}}=\\dfrac{2}{4}{{n}_{{{C}_{2}}{{H}_{5}}N{{O}_{2}}}}=0,05\\,mol \\\\ & \\Rightarrow {{n}_{\\uparrow }}=0,2+0,25+0,05=0,5\\,mol \\\\ & \\Rightarrow {{V}_{\\uparrow }}=11,2\\,L \\\\ \\end{aligned}$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2665},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Th\u1ee7y ph\u00e2n ho\u00e0n to\u00e0n protein thu \u0111\u01b0\u1ee3c amino axit X c\u00f3 c\u00f4ng th\u1ee9c l\u00e0 $C_3H_7NO_2$. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 8,9 X thu \u0111\u01b0\u1ee3c kh\u00ed $CO_2$. D\u1eabn kh\u00ed n\u00e0y v\u00e0o dung d\u1ecbch n\u01b0\u1edbc v\u00f4i trong d\u01b0 kh\u1ed1i l\u01b0\u1ee3ng k\u1ebft t\u1ee7a thu \u0111\u01b0\u1ee3c l\u00e0:","select":["A. 10 gam ","B. 20 gam","C. 30 gam ","D. 40 gam"],"hint":"","explain":"<span class='basic_left'>$\\begin{aligned} & {{n}_{{{C}_{3}}{{H}_{7}}N{{O}_{2}}}}=0,1\\,mol \\\\ & 4{{C}_{3}}{{H}_{7}}N{{O}_{2}}+15{{O}_{2}}\\xrightarrow{{{t}^{0}}}12C{{O}_{2}}+14{{H}_{2}}O+2{{N}_{2}} \\\\ & {{n}_{C{{O}_{2}}}}=3{{n}_{{{C}_{3}}{{H}_{7}}N{{O}_{2}}}}=0,3\\,mol \\\\ & C{{O}_{2}}+Ca{{(OH)}_{2}}\\to CaC{{O}_{3}}\\downarrow +{{H}_{2}}O \\\\ & {{n}_{\\downarrow }}={{n}_{C{{O}_{2}}}}=0,3\\,mol\\Rightarrow {{m}_{\\downarrow }}=30\\,gam \\\\ \\end{aligned}$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2666},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Aminoaxit (A) ch\u1ee9a 46,6% cacbon v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a aminoaxit l\u00e0 ","select":["A. $C_3H_7O_2N$.","B. $C_4H_9O_2N$. ","C. $C_5H_{11}O_2N$. ","D. $C_6H_{13}O_2N$."],"hint":"","explain":"<span class='basic_left'>T\u00ednh % kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a cacbon \u1edf 4 \u0111\u00e1p \u00e1n ch\u1ec9 c\u00f3 \u0111\u00e1p \u00e1n B th\u1ecfa m\u00e3n: <br\/> $B.\\%{{m}_{C}}=\\dfrac{12.4}{103}.100\\%\\approx 46,6\\%$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2667},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" % kh\u1ed1i l\u01b0\u1ee3ng C, H, O, N trong aminoaxit $C_3H_7O_2N$ l\u1ea7n l\u01b0\u1ee3t l\u00e0:","select":["A. 37,52%; 4,57%; 39,25%; 18,66% ","B. 4,57%; 37,52%; 18,86%; 39,25%","C. 40,45%; 7,87%; 35,96%; 15,72%","D. 35,96%; 15,72%; 40,45%; 7,87%"],"hint":"","explain":"<span class='basic_left'>$\\begin{aligned} & \\%{{m}_{C}}=\\dfrac{12.3}{89}.100\\%\\approx 40,45\\% \\\\ & \\%{{m}_{H}}=\\dfrac{7}{89}.100\\%\\approx 7,87\\% \\\\ & \\%{{m}_{O}}=\\dfrac{32}{89}.100\\%\\approx 35,96\\% \\\\ & \\%{{m}_{N}}=15,72\\% \\\\ \\end{aligned}$<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2668},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Khi ph\u00e2n t\u00edch ch\u1ea5t X \u0111\u01b0\u1ee3c t\u00e1ch ra t\u1eeb s\u1ea3n ph\u1ea9m th\u1ee7y ph\u00e2n t\u1eeb protein, ng\u01b0\u1eddi ta th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng mol ph\u00e2n t\u1eed c\u1ee7a X l\u00e0 75g. \u0110\u1ed1t ch\u00e1y 1,5g X t\u1ea1o ra 1,76g $CO_2$ , 0,9g $H_2O$ v\u00e0 0,28g $N_2$ . C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X l\u00e0:","select":["A. $C_3H_7O_2N$","B. $C_2H_5ON$","C. $C_2H_5O_2N$ ","D. K\u1ebft qu\u1ea3 kh\u00e1c"],"hint":"","explain":"<span class='basic_left'>$\\begin{aligned} & {{n}_{C}}={{n}_{C{{O}_{2}}}}=0,04\\,mol;\\,{{n}_{H}}=2{{n}_{{{H}_{2}}O}}=0,1\\,mol \\\\ & {{n}_{N}}=2{{n}_{{{N}_{2}}}}=0,02\\,mol \\\\ & \\Rightarrow {{m}_{O}}={{m}_{X}}-{{m}_{C}}-{{m}_{H}}-{{m}_{O}}=0,64\\,gam \\\\ & \\Rightarrow {{n}_{O}}=0,04\\,mol \\\\ \\end{aligned}$ <br\/> => T\u1ef7 l\u1ec7 ${{n}_{C}}:{{n}_{H}}:{{n}_{O}}:{{n}_{N}}=0,04:0,1:0,04:0,02=2:5:2:1$ <br\/> Ch\u1ec9 c\u00f3 \u0111\u00e1p \u00e1n C th\u1ecfa m\u00e3n<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2669},{"time":24,"part":[{"title":"Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n \u0110\u00daNG","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" \u0110\u1ed1t ch\u00e1y 8,9 gam X (s\u1ea3n ph\u1ea9m thu\u1ef7 ph\u00e2n protein) th\u1ea5y t\u1ea1o ra kh\u00ed $CO_2$, 6,3 gam $H_2O$ v\u00e0 1,4 gam $N_2.$ L\u01b0\u1ee3ng kh\u00ed cacbonic d\u1eabn v\u00e0o dung d\u1ecbch n\u01b0\u1edbc v\u00f4i trong d\u01b0 th\u1ea5y t\u1ea1o 30 gam k\u1ebft t\u1ee7a. Bi\u1ebft trong ph\u00e2n t\u1eed X c\u00f3 1 nguy\u00ean t\u1eed N. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X l\u00e0:","select":["A. $C_2H_5NO_2$","B. $C_3H_7NO_2$","C. $C_4H_9NO$","D. \u0110\u00e1p \u00e1n kh\u00e1c"],"hint":"","explain":"<span class='basic_left'>$\\begin{aligned} & {{n}_{H}}=2{{n}_{{{H}_{2}}O}}=0,7\\,mol;\\,\\,{{n}_{N}}=2{{n}_{{{N}_{2}}}}=0,1\\,mol \\\\ & C{{O}_{2}}+Ca{{(OH)}_{2}}\\to CaC{{O}_{3}}\\downarrow +{{H}_{2}}O \\\\ & {{n}_{C}}={{n}_{C{{O}_{2}}}}={{n}_{\\downarrow }}=0,3\\,mol \\\\ & \\Rightarrow {{m}_{O}}={{m}_{X}}-{{m}_{C}}-{{m}_{H}}-{{m}_{O}}=3,2\\,gam \\\\ & \\Rightarrow {{n}_{O}}=0,2\\,mol \\\\ \\end{aligned}$ <br\/> => T\u1ef7 l\u1ec7 ${{n}_{C}}:{{n}_{H}}:{{n}_{O}}:{{n}_{N}}=0,3:0,7:0,2:0,1=3:7:2:1$ <br\/> Ch\u1ec9 c\u00f3 \u0111\u00e1p \u00e1n B th\u1ecfa m\u00e3n.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2670}],"lesson":{"save":0,"level":2}}