{"common":{"save":0,"post_id":"8516","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7576","post_id":"8516","mon_id":"1159539","chapter_id":"1159541","question":"<p data-pm-slice=\"0 0 []\">Khi hoà tan hoàn toàn k\u1ebdm b\u1eb1ng dung d\u1ecbch hydrochloric acid thu \u0111\u01b0\u1ee3c dung d\u1ecbch mu\u1ed1i zinc và khí hydrogen. Kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m sau ph\u1ea3n \u1ee9ng thay \u0111\u1ed5i nh\u01b0 th\u1ebf nào so v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t ban \u0111\u1ea7u?<\/p>","options":["A. Không \u0111\u1ed5i","B. T\u0103ng","C. Gi\u1ea3m","D. Không xác \u0111\u1ecbnh \u0111\u01b0\u1ee3c"],"correct":"3","level":"1","hint":"<p>Khi k\u1ebdm ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch hydrochloric acid (HCl), t\u1ea1o thành mu\u1ed1i zinc (ZnCl\u2082) và khí hydrogen (H\u2082). Hãy suy ngh\u0129 v\u1ec1 s\u1ef1 thay \u0111\u1ed5i kh\u1ed1i l\u01b0\u1ee3ng sau ph\u1ea3n \u1ee9ng, có liên quan \u0111\u1ebfn vi\u1ec7c khí hydrogen thoát ra ngoài.<\/p>","answer":"<p>\u0110áp án \u0111úng:<strong> C. Gi\u1ea3m<\/strong><\/p><p>Trong ph\u1ea3n \u1ee9ng này, k\u1ebdm (Zn) ph\u1ea3n \u1ee9ng v\u1edbi HCl \u0111\u1ec3 t\u1ea1o ra zinc chloride (ZnCl\u2082) và gi\u1ea3i phóng khí hydrogen (H\u2082). Khí hydrogen thoát ra kh\u1ecfi h\u1ec7, vì v\u1eady kh\u1ed1i l\u01b0\u1ee3ng t\u1ed5ng s\u1ea3n ph\u1ea9m s\u1ebd <strong data-end=\"446\" data-is-only-node=\"\" data-start=\"438\">gi\u1ea3m<\/strong> so v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t ban \u0111\u1ea7u.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-02-24 21:11:36","option_type":"txt","len":2},{"id":"7577","post_id":"8516","mon_id":"1159539","chapter_id":"1159541","question":"<p data-pm-slice=\"0 0 []\">Khi tính toán theo ph\u01b0\u01a1ng trình hóa h\u1ecdc, c\u1ea7n th\u1ef1c hi\u1ec7n m\u1ea5y b\u01b0\u1edbc c\u01a1 b\u1ea3n?<\/p>","options":["A. 1 b\u01b0\u1edbc","B. 2 b\u01b0\u1edbc","C. 3 b\u01b0\u1edbc","D. 4 b\u01b0\u1edbc"],"correct":"4","level":"1","hint":"<p>Khi tính toán theo ph\u01b0\u01a1ng trình hóa h\u1ecdc, th\u01b0\u1eddng s\u1ebd c\u1ea7n th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 b\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111ang tính \u0111úng kh\u1ed1i l\u01b0\u1ee3ng, s\u1ed1 mol, hay n\u1ed3ng \u0111\u1ed9 c\u1ee7a các ch\u1ea5t trong ph\u1ea3n \u1ee9ng.<\/p>","answer":"<p>\u0110áp án \u0111úng: <strong>D. 4 b\u01b0\u1edbc<\/strong><\/p><p><strong data-end=\"180\" data-start=\"141\">- Vi\u1ebft ph\u01b0\u01a1ng trình hóa h\u1ecdc cân b\u1eb1ng.<\/strong><\/p><p><strong data-end=\"247\" data-start=\"184\">- Chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb (t\u1eeb kh\u1ed1i l\u01b0\u1ee3ng sang mol, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i).<\/strong><\/p><p><strong data-end=\"297\" data-start=\"251\">- Áp d\u1ee5ng t\u1ef7 l\u1ec7 mol t\u1eeb ph\u01b0\u01a1ng trình hóa h\u1ecdc.<\/strong><\/p><p><strong data-end=\"376\" data-start=\"301\">- Tính toán k\u1ebft qu\u1ea3 (tính kh\u1ed1i l\u01b0\u1ee3ng, s\u1ed1 mol ho\u1eb7c th\u1ec3 tích c\u1ee7a các ch\u1ea5t).<\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-02-24 21:14:52","option_type":"txt","len":0},{"id":"7578","post_id":"8516","mon_id":"1159539","chapter_id":"1159541","question":"<p data-pm-slice=\"1 1 []\">Ch\u1ecdn \u0111áp án \u0111úng?<\/p>","options":["A. Ph\u01b0\u01a1ng trình hóa h\u1ecdc bi\u1ec3u di\u1ec5n ng\u1eafn g\u1ecdn ph\u1ea3n \u1ee9ng hóa h\u1ecdc","B. Có 2 b\u01b0\u1edbc \u0111\u1ec3 l\u1eadp ph\u01b0\u01a1ng trình hóa h\u1ecdc","C. Ch\u1ec9 duy nh\u1ea5t 2 ch\u1ea5t tham gia ph\u1ea3n \u1ee9ng t\u1ea1o thành 1 ch\u1ea5t s\u1ea3n ph\u1ea9m m\u1edbi g\u1ecdi là ph\u01b0\u01a1ng trình hóa h\u1ecdc","D. Qu\u1ef3 tím dùng \u0111\u1ec3 xác \u0111\u1ecbnh ch\u1ea5t không là ph\u1ea3n \u1ee9ng hóa h\u1ecdc"],"correct":"1","level":"1","hint":"<p>Ph\u01b0\u01a1ng trình hóa h\u1ecdc th\u1ec3 hi\u1ec7n s\u1ef1 chuy\u1ec3n \u0111\u1ed5i gi\u1eefa các ch\u1ea5t trong m\u1ed9t ph\u1ea3n \u1ee9ng hóa h\u1ecdc.<\/p>","answer":"<p>\u0110áp án \u0111úng:<strong> A. Ph\u01b0\u01a1ng trình hóa h\u1ecdc bi\u1ec3u di\u1ec5n ng\u1eafn g\u1ecdn ph\u1ea3n \u1ee9ng hóa h\u1ecdc<\/strong><\/p><p>Ph\u01b0\u01a1ng trình hóa h\u1ecdc là cách bi\u1ec3u di\u1ec5n ph\u1ea3n \u1ee9ng hóa h\u1ecdc m\u1ed9t cách ng\u1eafn g\u1ecdn, s\u1eed d\u1ee5ng các công th\u1ee9c hóa h\u1ecdc c\u1ee7a các ch\u1ea5t tham gia và s\u1ea3n ph\u1ea9m.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"0","date":"2025-02-24 21:20:00","option_type":"txt","len":3}]}