{"id":905,"date":"2021-10-07T23:41:28","date_gmt":"2021-10-07T23:41:28","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=905"},"modified":"2021-10-14T22:09:13","modified_gmt":"2021-10-14T15:09:13","slug":"toc-do-phan-ung-hoa-hoc-hoa-10-ly-thuyet-phuong-phap-giai-bai-tap","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/toc-do-phan-ung-hoa-hoc-hoa-10-ly-thuyet-phuong-phap-giai-bai-tap\/","title":{"rendered":"T\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc h\u00f3a 10 \u2013 l\u00fd thuy\u1ebft, ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i b\u00e0i t\u1eadp"},"content":{"rendered":"\n

Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n

Vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng t\u1edbi t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng s\u1ebd gi\u00fap \u00edch r\u1ea5t nhi\u1ec1u trong \u0111\u1eddi s\u1ed1ng c\u0169ng nh\u01b0 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p, gi\u00fap t\u1ea1o ra th\u00e0nh ph\u1ea9m v\u1edbi th\u1eddi gian ng\u1eafn h\u01a1n r\u1ea5t nhi\u1ec1u. V\u1eady th\u1ebf n\u00e0o l\u00e0 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc? C\u00f3 nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 n\u00e0y. C\u00f9ng t\u00ecm hi\u1ec3u qua b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/p>\n\n\n\n

Kh\u00e1i ni\u1ec7m v\u1ec1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng<\/p>\n\n\n\n

T\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc l\u00e0 m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u1ec3 ch\u1ec9 s\u1ef1 \u0111\u1eb7c tr\u01b0ng cho \u0111\u1ed9 nhanh hay ch\u1eadm c\u1ee7a t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng v\u00e0 x\u00e1c \u0111\u1ecbnh b\u1edfi \u0111\u1ed9 bi\u1ebfn thi\u00ean n\u1ed3ng \u0111\u1ed9 c\u1ee7a ch\u1ea5t \u0111\u00f3 tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb c\u1ee7a th\u1eddi gian.<\/p>\n\n\n\n

T\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc l\u00e0 g\u00ec?<\/p>\n\n\n\n

N\u1ed3ng \u0111\u1ed9 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng mol\/l v\u00e0 \u0111\u01a1n v\u1ecb \u0111o l\u00e0 th\u1eddi gian: gi\u1edd (h), ph\u00fat (ph), gi\u00e2y (s),\u2026<\/p>\n\n\n\n

C\u00f4ng th\u1ee9c t\u00ednh t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng:<\/p>\n\n\n\n

                       \u0394v = \u0394C\/\u0394t    <\/code><\/pre>\n\n\n\n
Trong \u0111\u00f3:<\/p>\n\n\n\n
\u0394C: l\u00e0 \u0111\u1ed9 bi\u1ebfn thi\u00ean n\u1ed3ng \u0111\u1ed9 ch\u1ea5t<\/p>\n\n\n\n
\u0394t: l\u00e0 th\u1eddi gian x\u1ea3y ra bi\u1ebfn thi\u00ean n\u1ed3ng \u0111\u1ed9.<\/p>\n\n\n\n
C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 \u00fd ngh\u0129a c\u1ee7a t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc<\/p>\n\n\n\n
T\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc nhanh hay ch\u1eadm c\u0169ng c\u1ea7n c\u00f3 r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn. Ngo\u00e0i ra, t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng c\u0169ng c\u00f3 \u00fd ngh\u0129a ri\u00eang c\u1ee7a ch\u00fang:<\/p>\n\n\n\n
C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng<\/p>\n\n\n\n
Nhi\u1ec7t \u0111\u1ed9: n\u1ebfu nh\u01b0 nhi\u1ec7t \u0111\u1ed9 t\u0103ng th\u00ec t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng c\u0169ng t\u0103ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n c\u1ee7a ph\u00e2n t\u1eed c\u0169ng t\u0103ng v\u00ec v\u1eady ph\u00e2n t\u1eed va ch\u1ea1m v\u1edbi nhau m\u1ea1nh v\u00e0 nhi\u1ec1u h\u01a1n t\u1eeb \u0111\u00f3 ph\u1ea3n \u1ee9ng s\u1ebd x\u1ea3y ra nhanh h\u01a1n.<\/p>\n\n\n\n
N\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c ch\u1ea5t tham gia: n\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c ch\u1ea5t cao th\u00ec t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng s\u1ebd nhanh h\u01a1n v\u00ec khi n\u1ed3ng \u0111\u1ed9 cao th\u00ec s\u1ef1 va ch\u1ea1m gi\u1eefa ph\u00e2n t\u1eed t\u0103ng s\u1ebd d\u1eabn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n.<\/p>\n\n\n\n
\u00c1p su\u1ea5t: y\u1ebfu t\u1ed1 \u00e1p su\u1ea5t ch\u1ec9 khi c\u00f3 m\u1eb7t ch\u1ea5t kh\u00ed th\u00ec m\u1edbi \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9. N\u1ebfu nh\u01b0 \u00e1p su\u1ea5t t\u0103ng th\u00ec t\u1ed1c \u0111\u1ed9 c\u1ee7a ph\u1ea3n \u1ee9ng c\u0169ng t\u0103ng.<\/p>\n\n\n\n
Di\u1ec7n t\u00edch ti\u1ebfp x\u00fac: t\u1ed1c \u0111\u1ed9 c\u1ee7a ph\u1ea3n \u1ee9ng s\u1ebd t\u0103ng khi c\u00f3 di\u1ec7n t\u00edch ti\u1ebfp x\u00fac t\u0103ng. Di\u1ec7n t\u00edch ti\u1ebfp x\u00fac v\u00e0 k\u00edch th\u01b0\u1edbc ch\u1ea5t r\u1eafn s\u1ebd t\u1ec9 l\u1ec7 ngh\u1ecbch v\u1edbi nhau.<\/p>\n\n\n\n
Ch\u1ea5t x\u00fac t\u00e1c: c\u00f3 ch\u1ea5t x\u00fac t\u00e1c s\u1ebd l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 cho ph\u1ea3n \u1ee9ng. C\u00f2n ch\u1ea5t k\u00ecm h\u00e3m s\u1ebd gi\u1ea3m qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n
C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng<\/p>\n\n\n\n
\u00dd ngh\u0129a c\u1ee7a t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc trong th\u1ef1c ti\u1ec5n<\/p>\n\n\n\n
Ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng ch\u1ea5t x\u00fac t\u00e1c \u0111\u1ec3 s\u1ea3n xu\u1ea5t ra nhi\u1ec1u amoniac, th\u1ef1c hi\u1ec7n nh\u1eefng ph\u1ea3n \u1ee9ng \u1edf \u00e1p su\u1ea5t cao v\u00e0 t\u0103ng nhi\u1ec7t \u0111\u1ed9.<\/p>\n\n\n\n
\u1ede \u00e1p su\u1ea5t th\u01b0\u1eddng th\u00ec th\u1ef1c ph\u1ea9m l\u00e2u ch\u00edn h\u01a1n khi n\u1ea5u \u1edf n\u1ed3i \u00e1p su\u1ea5t.<\/p>\n\n\n\n
Mu\u1ed1n than d\u1ec5 ch\u00e1y th\u00ec c\u1ea7n c\u00f3 l\u1ed7 tr\u00f2n \u0111\u1ec3 t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac v\u1edbi oxi.<\/p>\n\n\n\n
C\u00f4ng th\u1ee9c v\u1ec1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng<\/p>\n\n\n\n
V\u1eadn t\u1ed1c c\u1ee7a ph\u1ea3n \u1ee9ng c\u00f3 m\u1ed1i li\u00ean h\u1ec7 v\u1edbi n\u1ed3ng \u0111\u1ed9 v\u00e0 t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi c\u00e1c ch\u1ea5t trong ph\u1ea3n \u1ee9ng. S\u1ed1 m\u0169 c\u1ee7a v\u1eadn t\u1ed1c l\u00e0 h\u1ec7 s\u1ed1 c\u1ee7a h\u1ee3p ph\u1ee9c trong ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng ch\u1ea5t ho\u00e1 h\u1ecdc.<\/p>\n\n\n\n
Bi\u1ec3u th\u1ee9c v\u1eadn t\u1ed1c ph\u1ea3n \u1ee9ng nh\u01b0 sau: v = kAmBn<\/p>\n\n\n\n
Trong \u0111\u00f3: k: ch\u1ec9 h\u1eb1ng s\u1ed1 c\u1ee7a v\u1eadn t\u1ed1c<\/p>\n\n\n\n
[A], [B]: l\u00e0 n\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c ch\u1ea5t A, B \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng mol.<\/p>\n\n\n\n
B\u1ea1n c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c r\u00f5 v\u1ec1 c\u00f4ng th\u1ee9c t\u00ednh h\u1eb1ng s\u1ed1 c\u00e2n b\u1eb1ng th\u00ec s\u1ebd gi\u1ea3i \u0111\u01b0\u1ee3c b\u00e0i t\u1eadp. T\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc th\u01b0\u1eddng c\u00f3 nh\u1eefng d\u1ea1ng b\u00e0i t\u1eadp \u0111\u00f3 l\u00e0 cho b\u1ea1n ph\u1ea3n \u1ee9ng thu\u1eadn ngh\u1ecbch, y\u00eau c\u1ea7u b\u1ea1n ph\u1ea3i t\u00ecm ra v\u1eadn t\u1ed1c c\u1ee7a ph\u1ea3n \u1ee9ng ngh\u1ecbch ho\u1eb7c ph\u1ea3n \u1ee9ng thu\u1eadn.<\/p>\n\n\n\n
\u0110\u1ecdc th\u00eam v\u1ec1 c\u00e2n b\u1eb1ng h\u00f3a h\u1ecdc: C\u00e2n b\u1eb1ng h\u00f3a h\u1ecdc \u2013 N\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c h\u00f3a 10 c\u00f9ng Vietlearn<\/p><\/blockquote>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p h\u1ed7 tr\u1ee3 gi\u1ea3i b\u00e0i t\u1eadp v\u1ec1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng<\/p>\n\n\n\n
D\u1ef1a v\u00e0o nh\u1eefng ki\u1ebfn th\u1ee9c tr\u00ean \u0111\u00e2y v\u1ec1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc l\u1edbp 10, b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 r\u00fat ra cho m\u00ecnh m\u1ed9t s\u1ed1 b\u00ed quy\u1ebft hay ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 gi\u1ea3i nh\u1eefng b\u00e0i t\u1eadp ch\u00ednh x\u00e1c. B\u1ea1n c\u1ea7n l\u01b0u \u00fd nh\u1eefng v\u1ea5n \u0111\u1ec1 sau:<\/p>\n\n\n\n
B\u1ea1n c\u1ea7n thu\u1ed9c \u0111\u01b0\u1ee3c l\u00fd thuy\u1ebft t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc, n\u1eafm b\u1eaft v\u00e0 hi\u1ec3u s\u00e2u v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a ch\u00fang.<\/p>\n\n\n\n
Ti\u1ebfp \u0111\u1ebfn, n\u1eafm r\u00f5 \u0111\u01b0\u1ee3c nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng l\u00e0 g\u00ec v\u00e0 nh\u1eefng c\u00f4ng th\u1ee9c li\u00ean quan \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n
C\u1ea7n luy\u1ec7n t\u1eadp v\u00e0 gi\u1ea3i nhi\u1ec1u b\u00e0i t\u1eadp v\u1ec1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n
Ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e2n b\u1eb1ng h\u00f3a h\u1ecdc<\/p>\n\n\n\n
T\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc l\u1edbp 10 \u0111\u01b0\u1ee3c t\u00f3m t\u1eaft l\u00fd thuy\u1ebft v\u00e0 bi\u00ean so\u1ea1n v\u1ec1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng v\u00e0 c\u00e2n b\u1eb1ng ho\u00e1 h\u1ecdc. C\u00f9ng t\u00ecm hi\u1ec3u m\u1ed9t s\u1ed1 th\u00f4ng tin sau:<\/p>\n\n\n\n
C\u00e2n b\u1eb1ng h\u00f3a h\u1ecdc l\u00e0 g\u00ec? Nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng<\/p>\n\n\n\n
Kh\u00e1i ni\u1ec7m: l\u1ea1i tr\u1ea1ng th\u00e1i c\u1ee7a ph\u1ea3n \u1ee9ng thu\u1eadn ngh\u1ecbch, t\u1ea1i \u0111\u00e2y t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng ngh\u1ecbch v\u00e0 thu\u1eadn s\u1ebd b\u1eb1ng nhau v\u00e0 n\u1ed3ng \u0111\u1ed9 c\u00e1c ch\u1ea5t kh\u00f4ng thay \u0111\u1ed5i. C\u00e2n b\u1eb1ng ho\u00e1 h\u1ecdc l\u00e0 c\u00e2n b\u1eb1ng \u0111\u1ed9ng.<\/p>\n\n\n\n
Y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng:<\/p>\n\n\n\n
Khi m\u1ed9t ch\u1ea5t t\u0103ng n\u1ed3ng \u0111\u1ed9, c\u00e2n b\u1eb1ng s\u1ebd chuy\u1ec3n d\u1ecbch l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 c\u1ee7a ch\u1ea5t \u0111\u00f3 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n
Khi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u1ec7 t\u0103ng, c\u00e2n b\u1eb1ng s\u1ebd chuy\u1ec3n d\u1ecbch theo chi\u1ec1u thu nhi\u1ec7t v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n
N\u1ebfu ph\u1ea3n \u1ee9ng ngh\u1ecbch l\u00e0 thu nhi\u1ec7t th\u00ec ph\u1ea3n \u1ee9ng thu\u1eadn l\u00e0 t\u1ecfa nhi\u1ec7t ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n
H\u1ec7 c\u00f3 \u00e1p su\u1ea5t t\u0103ng th\u00ec c\u00e2n b\u1eb1ng s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n d\u1ecbch theo chi\u1ec1u l\u00e0m gi\u1ea3m \u0111i s\u1ed1 ph\u00e2n t\u1eed kh\u00ed v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n
C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng t\u1edbi c\u00e2n b\u1eb1ng h\u00f3a h\u1ecdc<\/p>\n\n\n\n
N\u1ebfu nh\u01b0 h\u1ec7 ph\u1ea3n \u1ee9ng thu\u1eadn ngh\u1ecbch c\u00f3 ph\u00e2n t\u1eed kh\u00ed c\u1ee7a ph\u1ea3n \u1ee9ng ngh\u1ecbch b\u1eb1ng ph\u00e2n t\u1eed kh\u00ed c\u1ee7a ph\u1ea3n \u1ee9ng thu\u1eadn th\u00ec \u00e1p su\u1ea5t s\u1ebd kh\u00f4ng l\u00e0m chuy\u1ec3n d\u1ecbch c\u00e2n b\u1eb1ng.<\/p>\n\n\n\n
Ch\u1ea5t x\u00fac t\u00e1c kh\u00f4ng th\u1ec3 l\u00e0m chuy\u1ec3n d\u1ecbch c\u00e2n b\u1eb1ng m\u00e0 ch\u00fang ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m cho ph\u1ea3n \u1ee9ng di\u1ec5n ra nhanh ch\u00f3ng<\/p>\n\n\n\n
Chuy\u1ec3n d\u1ecbch c\u00e2n b\u1eb1ng ho\u00e1 h\u1ecdc l\u00e0 g\u00ec? Nguy\u00ean l\u00fd c\u1ee7a chuy\u1ec3n d\u1ecbch c\u00e2n b\u1eb1ng<\/p>\n\n\n\n
Kh\u00e1i ni\u1ec7m: Chuy\u1ec3n d\u1ecbch c\u00e2n b\u1eb1ng ch\u00ednh l\u00e0 ph\u00e1 v\u1ee1 tr\u1ea1ng th\u00e1i c\u1ee7a c\u00e2n b\u1eb1ng c\u0169 chuy\u1ec3n sang m\u1ed9t tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng m\u1edbi v\u00e0 \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i.<\/p>\n\n\n\n
Nguy\u00ean l\u00ed chuy\u1ec3n d\u1ecbch c\u00e2n b\u1eb1ng:<\/p>\n\n\n\n
Khi n\u1ed3ng \u0111\u1ed9 c\u1ee7a ch\u1ea5t trong c\u00e2n b\u1eb1ng chuy\u1ec3n d\u1ecbch theo chi\u1ec1u ph\u1ea3n \u1ee9ng th\u00ec s\u1ebd l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 c\u1ee7a ch\u1ea5t \u0111\u00f3 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n
Khi h\u1ec7 c\u00e2n b\u1eb1ng t\u0103ng \u00e1p su\u1ea5t chung th\u00ec c\u00e2n b\u1eb1ng chuy\u1ec3n d\u1ecbch theo chi\u1ec1u c\u1ee7a ph\u1ea3n \u1ee9ng c\u00f3 s\u1ed1 mol \u00edt h\u01a1n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n
Khi ph\u1ea3n \u1ee9ng \u0111\u00e3 c\u00e2n b\u1eb1ng, s\u1ed1 mol kh\u00ed b\u1eb1ng nhau \u1edf 2 v\u1ec1 ph\u01b0\u01a1ng tr\u00ecnh th\u00ec \u00e1p su\u1ea5t c\u00e2n b\u1eb1ng kh\u00f4ng chuy\u1ec3n d\u1ecbch.<\/p>\n\n\n\n
Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, c\u00e2n b\u1eb1ng d\u1ecbch chuy\u1ec3n c\u00f9ng chi\u1ec1u v\u1edbi ph\u1ea3n \u1ee9ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n
Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u00e0 c\u00e1c ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e2n b\u1eb1ng h\u00f3a h\u1ecdc. N\u1ebfu b\u1ea1n c\u00f2n c\u00f3 c\u00e2u h\u1ecfi g\u00ec c\u1ea7n gi\u1ea3i \u0111\u00e1p hay mu\u1ed1n \u0111\u0103ng k\u00fd tham gia c\u00e1c kh\u00f3a h\u1ecdc th\u00ec c\u00f3 th\u1ec3 li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi ch\u00fang t\u00f4i th\u00f4ng qua s\u1ed1 Hotline: +84 96-6989-538 ho\u1eb7c t\u1ea1i \u0111\u1ecba ch\u1ec9 website: Vietlearn.org\/ \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p m\u1ed9t c\u00e1ch t\u1eadn t\u00ecnh, chu \u0111\u00e1o nh\u1ea5t.<\/p>\n\n\n\n
\u0110\u1ecdc th\u00eam c\u00e1c b\u00e0i vi\u1ebft c\u00f9ng ch\u1ee7 \u0111\u1ec1:<\/p><\/blockquote>\n\n\n\n
V\u1eadn t\u1ed1c trung b\u00ecnh l\u00e0 g\u00ec? V\u1eadn t\u1ed1c l\u00e0 g\u00ec? Ki\u1ebfn th\u1ee9c v\u1eadt l\u00fd 8<\/p>\n\n\n\n
Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc l\u00e0 g\u00ec? C\u00f3 m\u1ea5y lo\u1ea1i ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc<\/p>\n\n\n\n
N\u1ed3ng \u0111\u1ed9 dung d\u1ecbch l\u00e0 g\u00ec h\u00f3a 8 \u2013 Nh\u1eefng l\u01b0u \u00fd khi h\u1ecdc<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a Axit \u2013 H\u1ecdc t\u1ed1t h\u00f3a 9 c\u00f9ng T<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng t\u1edbi t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng s\u1ebd gi\u00fap \u00edch r\u1ea5t nhi\u1ec1u trong \u0111\u1eddi s\u1ed1ng c\u0169ng nh\u01b0 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p, gi\u00fap t\u1ea1o ra th\u00e0nh ph\u1ea9m v\u1edbi th\u1eddi gian ng\u1eafn h\u01a1n r\u1ea5t nhi\u1ec1u. V\u1eady th\u1ebf n\u00e0o l\u00e0 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,5],"tags":[],"class_list":["post-905","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-pho-thong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=905"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/905\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}