https://dashboard.mempawahkab.go.id/wp-content/plugins/ https://www.kungfuology.com/mt-static/ https://pgsd.fkip.unsulbar.ac.id/wp-content/server/https://www.kungfuology.com/home/plugins/ https://land.ubiz.ua/assets/img/ https://sentraki.polimarin.ac.id/js/slot-dana/ https://qml.cvc.uab.es/responsivl/slot-gacor/ https://sentraki.polimarin.ac.id/public/js/ https://fh.uki.ac.id/nul/slot-pulsa/ https://ncc.potensi-utama.ac.id/wp-content/plugins/ https://pgsd.fkip.unsulbar.ac.id/wp-includes/qris/ https://aktasidangmd.gkjw.or.id/aset/css/ https://simpenmas.untirta.ac.id/plugins/slot-dana/
{"id":44202,"date":"2019-10-13T14:39:16","date_gmt":"2019-10-13T07:39:16","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=44202"},"modified":"2019-10-13T14:39:17","modified_gmt":"2019-10-13T07:39:17","slug":"giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/","title":{"rendered":"Gi\u1ea3i V\u1eadt L\u00ed 10 B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t"},"content":{"rendered":"\n

B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t <\/h2>\n\n\n\n

C1.<\/strong> ( trang 204 sgk V\u1eadt L\u00fd 10): D\u1ef1a v\u00e0o \n\u0111\u1ed3 th\u1ecb tr\u00ean H\u00ecnh 38.2, h\u00e3y m\u00f4 t\u1ea3 v\u00e0 nh\u1eadn x\u00e9t v\u1ec1 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \ntrong qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y v\u00e0 \u0111\u00f4ng \u0111\u1eb7c c\u1ee7a thi\u1ebfc.<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

Tr\u1ea3 l\u1eddi:<\/strong><\/ins><\/p>\n\n\n\n

Khi \u0111un, nhi\u1ec7t \u0111\u1ed9 thi\u1ebfc t\u0103ng d\u1ea7n, khi t = 232o<\/sup> C thi\u1ebfc b\u1eaft\n \u0111\u1ea7u n\u00f3ng ch\u1ea3y. Su\u1ed1t th\u1eddi gian n\u00f3ng ch\u1ea3y nhi\u1ec7t \u0111\u1ed9 thi\u1ebfc kh\u00f4ng t\u0103ng, khi \nch\u1ea3y l\u1ecfng ho\u00e0n to\u00e0n, nhi\u1ec7t \u0111\u1ed9 thi\u1ebfc l\u1ecfng ti\u1ebfp t\u1ee5c t\u0103ng.<\/p>\n\n\n\n

C2.<\/strong> ( trang 206 sgk V\u1eadt L\u00fd 10): Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a kh\u1ed1i ch\u1ea5t l\u1ecfng khi bay h\u01a1i t\u0103ng hay gi\u1ea3m? T\u1ea1i sao ?<\/p>\n\n\n\n

Tr\u1ea3 l\u1eddi:<\/strong><\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi ch\u1ea5t l\u1ecfng : Khi bay h\u01a1i t\u1ee9c c\u00e1c ph\u00e2n t\u1eed ch\u1ea5t l\u1ecfng tho\u00e1t ra \nngo\u00e0i l\u00e0m m\u1ea5t \u0111i n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng \u0111\u1ed9ng n\u0103ng ( c\u1ee7a ph\u00e2n t\u1eed tho\u00e1t).D\u1eabn\n \u0111\u1ebfn n\u1ed9i n\u0103ng gi\u1ea3m \u2013 nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m.<\/ins><\/p>\n\n\n\n

C3.<\/strong> ( trang 206 sgk V\u1eadt L\u00fd 10): H\u00e3y \u0111o\u00e1n\n xem t\u1ed1c \u0111\u1ed9 bay h\u01a1i c\u1ee7a ch\u1ea5t l\u1ecfng ph\u1ee5 thu\u1ed9c nh\u01b0 th\u1ebf n\u00e0o v\u00e0o nhi\u1ec7t \u0111\u1ed9, \ndi\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng v\u00e0 \u00e1p su\u1ea5t kh\u00ed (ho\u1eb7c h\u01a1i) \u1edf s\u00e1t ph\u00eda tr\u00ean b\u1ec1 \nm\u1eb7t ch\u1ea5t l\u1ecfng? T\u1ea1i sao?<\/p>\n\n\n\n

Tr\u1ea3 l\u1eddi:<\/strong><\/p>\n\n\n\n

+ Khi nhi\u1ec7t \u0111\u1ed9 ch\u1ea5t l\u1ecfng t\u0103ng, chuy\u1ec3n \u0111\u1ed9ng c\u00e1c ph\u00e2n t\u1eed c\u00e0ng m\u1ea1nh, c\u00e1c\n ph\u00e2n t\u1eed c\u00f3 \u0111\u1ed9ng n\u0103ng c\u00e0ng l\u1edbn d\u1ec5 tho\u00e1t ra ngo\u00e0i: t\u1ed1c \u0111\u1ed9 bay h\u01a1i t\u0103ng.<\/p>\n\n\n\n

+ Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng c\u00e0ng l\u1edbn (r\u1ed9ng ) c\u00e1c ph\u00e2n t\u1eed tho\u00e1t ra \u1edf b\u1ec1 m\u1eb7t c\u00e0ng d\u1ec5, c\u00e0ng nhi\u1ec1u : t\u1ed1c \u0111\u1ed9 bay h\u01a1i t\u0103ng.<\/p>\n\n\n\n

+ \u00c1p su\u1ea5t tr\u00ean b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng c\u00e0ng nh\u1ecf, l\u1ef1c c\u1ea3n c\u00e1c ph\u00e2n t\u1eed tho\u00e1t ra c\u00e0ng b\u00e9: t\u1ed1c \u0111\u1ed9 bay h\u01a1i c\u00e0ng t\u0103ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n

C4.<\/strong> ( trang 207 sgk V\u1eadt L\u00fd 10): T\u1ea1i sao \u00e1p su\u1ea5t h\u01a1i b\u00e3o h\u00f2a kh\u00f4ng ph\u1ee5 thu\u1ed9c th\u1ec3 t\u00edch v\u00e0 l\u1ea1i t\u0103ng theo nhi\u1ec7t \u0111\u1ed9?<\/p>\n\n\n\n

Tr\u1ea3 l\u1eddi:<\/strong><\/p>\n\n\n\n

\u00c1p su\u1ea5t h\u01a1i b\u00e3o h\u00f2a kh\u00f4ng ph\u1ee5 thu\u1ed9c th\u1ec3 t\u00edch h\u01a1i, v\u00ec :<\/p>\n\n\n\n

+ N\u1ebfu t\u0103ng th\u1ec3 t\u00edch, t\u1ed1c \u0111\u1ed9 bay h\u01a1i l\u00e2p t\u1ee9c t\u0103ng d\u1eabn \u0111\u1ebfn m\u1eadt \u0111\u1ed9 ph\u00e2n \nt\u1eed h\u01a1i t\u0103ng \u0111\u1ebfn khi t\u1ed1c \u0111\u1ed9 bay h\u01a1i l\u1ea1i c\u00e2n b\u1eb1ng t\u1ed1c \u0111\u1ed9 ng\u01b0ng t\u1ee5 \u00e1p su\u1ea5t \nh\u01a1i l\u1eadp t\u1ee9c b\u00e3o h\u00f2a nh\u01b0 ban \u0111\u1ea7u.<\/ins><\/p>\n\n\n\n

+ N\u1ebfu gi\u1ea3m th\u1ec3 t\u00edch , \u00e1p su\u1ea5t h\u01a1i b\u00e3o h\u00f2a t\u1ee9c th\u1eddi t\u0103ng l\u00ean, t\u1ed1c \u0111\u1ed9 \nng\u01b0ng t\u1ee5 t\u0103ng, t\u1ed1c \u0111\u1ed9 bay h\u01a1i gi\u1ea3m d\u1eabn \u0111\u1ebfn tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng l\u1ea1i \u0111\u01b0\u1ee3c \nthi\u1ebft l\u1eadp v\u00e0 \u00e1p su\u1ea5t h\u01a1i b\u00e3o h\u00f2a tr\u1edf v\u1ec1 v\u1ecb tr\u00ed s\u1ed1 ban \u0111\u1ea7u.<\/p>\n\n\n\n

+ Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, t\u1ed1c \u0111\u1ed9 bay h\u01a1i t\u0103ng \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng v\u1edbi t\u1ed1c \u0111\u1ed9 ng\u01b0ng t\u1ee5 \u1edf m\u1ee9c cao h\u01a1n, l\u00e0m cho \u00e1p su\u1ea5t b\u00e3o h\u00f2a c\u00f3 tr\u1ecb s\u1ed1 cao h\u01a1n tr\u1ecb s\u1ed1 ban \u0111\u1ea7u.<\/p>\n\n\n\n

B\u00e0i 7 (trang 210 SGK V\u1eadt L\u00fd 10) :<\/strong> C\u00e2u n\u00e0o d\u01b0\u1edbi \u0111\u00e2y l\u00e0 kh\u00f4ng \u0111\u00fang khi n\u00f3i v\u1ec1 s\u1ef1 n\u00f3ng ch\u1ea3y c\u1ee7a c\u00e1c ch\u1ea5t r\u1eafn?<\/p>\n\n\n\n

A. M\u1ed7i ch\u1ea5t r\u1eafn k\u1ebft tinh n\u00f3ng ch\u1ea3y \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh kh\u00f4ng \u0111\u1ed5i \u1ee9ng v\u1edbi m\u1ed9t \u00e1p su\u1ea5t b\u00ean ngo\u00e0i x\u00e1c \u0111\u1ecbnh.<\/ins><\/p>\n\n\n\n

B. Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a ch\u1ea5t r\u1eafn k\u1ebft tinh ph\u1ee5 thu\u1ed9c \u00e1p su\u1ea5t b\u00ean ngo\u00e0i.<\/p>\n\n\n\n

C. Ch\u1ea5t r\u1eafn k\u1ebft tinh n\u00f3ng ch\u1ea3y v\u00e0 \u0111\u00f4ng \u0111\u1eb7c \u1edf c\u00f9ng m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh kh\u00f4ng \u0111\u1ed5i.<\/p>\n\n\n\n

D. Ch\u1ea5t r\u1eafn v\u00f4 \u0111\u1ecbnh h\u00ecnh c\u0169ng n\u00f3ng ch\u1ea3y \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh kh\u00f4ng \u0111\u1ed5i.<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/p>\n\n\n\n

Ch\u1ecdn D.<\/p>\n\n\n\n

Ch\u1ea5t r\u1eafn v\u00f4 \u0111\u1ecbnh h\u00ecnh kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3, do \u0111\u00f3 kh\u00f4ng c\u00f3 d\u1ea1ng h\u00ecnh h\u1ecdc x\u00e1c \u0111\u1ecbnh, kh\u00f4ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y (ho\u1eb7c \u0111\u00f4ng \u0111\u1eb7c) x\u00e1c \u0111\u1ecbnh v\u00e0 c\u00f3 t\u00ednh \u0111\u1eb5ng h\u01b0\u1edbng.<\/p>\n\n\n\n

B\u00e0i 8 (trang 210 SGK V\u1eadt L\u00fd 10) :<\/strong> Nhi\u1ec7t n\u00f3ng ch\u1ea3y ri\u00eang c\u1ee7a \u0111\u1ed3ng l\u00e0 1,8.105<\/sup> J\/kg. C\u00e2u n\u00e0o d\u01b0\u1edbi \u0111\u00e2y l\u00e0 \u0111\u00fang?<\/p>\n\n\n\n

A. M\u1ed7i kilogam \u0111\u1ed3ng c\u1ea7n thu nhi\u1ec7t l\u01b0\u1ee3ng 1,8.105<\/sup> J khi n\u00f3ng ch\u1ea3y ho\u00e0n to\u00e0n.<\/ins><\/p>\n\n\n\n

B. M\u1ed7i kilogam \u0111\u1ed3ng c\u1ea7n thu nhi\u1ec7t l\u01b0\u1ee3ng 1,8.105<\/sup> J \u0111\u1ec3 h\u00f3a l\u1ecfng ho\u00e0n to\u00e0n \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y.<\/p>\n\n\n\n

C. Kh\u1ed1i \u0111\u1ed3ng c\u1ea7n thu nhi\u1ec7t l\u01b0\u1ee3ng 1,8.105<\/sup> J \u0111\u1ec3 h\u00f3a l\u1ecfng<\/p>\n\n\n\n

D. M\u1ed7i kilogam \u0111\u1ed3ng t\u1ecfa ra nhi\u1ec7t l\u01b0\u1ee3ng 1,8.105<\/sup> J khi h\u00f3a l\u1ecfng ho\u00e0n to\u00e0n.<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/p>\n\n\n\n

Ch\u1ecdn B.<\/p>\n\n\n\n

+ Nhi\u1ec7t n\u00f3ng ch\u1ea3y ri\u00eang (\u03bb) c\u1ee7a m\u1ed9t ch\u1ea5t \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 nhi\u1ec7t \nl\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 cung c\u1ea5p cho m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o v\u1ec1 l\u01b0\u1ee3ng ch\u1ea5t \u0111\u00f3 (nh\u01b0 \u0111\u01a1n \nv\u1ecb \u0111o kh\u1ed1i l\u01b0\u1ee3ng hay s\u1ed1 ph\u00e2n t\u1eed nh\u01b0 mol) \u0111\u1ec3 n\u00f3 chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i r\u1eafn \nsang tr\u1ea1ng th\u00e1i l\u1ecfng, t\u1ea1i nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y.\n<\/p>\n\n\n\n

+ Trong h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng qu\u1ed1c t\u1ebf, \u0111\u01a1n v\u1ecb \u0111o c\u1ee7a nhi\u1ec7t l\u01b0\u1ee3ng n\u00f3ng ch\u1ea3y l\u00e0:\n<\/p>\n\n\n\n

Joule tr\u00ean kil\u00f4gam, J.kg\u22121 hay J\/kg, ho\u1eb7c Joule tr\u00ean mol. <\/p>\n\n\n\n

B\u00e0i 9 (trang 210 SGK V\u1eadt L\u00fd 10) :<\/strong> C\u00e2u n\u00e0o d\u01b0\u1edbi \u0111\u00e2y l\u00e0 kh\u00f4ng \u0111\u00fang khi n\u00f3i v\u1ec1 s\u1ef1 bay h\u01a1i c\u1ee7a c\u00e1c ch\u1ea5t l\u1ecfng?<\/p>\n\n\n\n

A. S\u1ef1 bay h\u01a1i l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n t\u1eeb th\u1ec3 l\u1ecfng sang th\u1ec3 kh\u00ed x\u1ea3y ra \u1edf b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng .<\/ins><\/p>\n\n\n\n

B. Qu\u00e1 tr\u00ecnh chuy\u1ec3n ng\u01b0\u1ee3c l\u1ea1i t\u1eeb th\u1ec3 kh\u00ed sang th\u1ec3 l\u1ecfng l\u00e0 s\u1ef1 ng\u01b0ng t\u1ee5. S\u1ef1 ng\u01b0ng t\u1ee5 lu\u00f4n x\u1ea3y ra k\u00e8m theo s\u1ef1 bay h\u01a1i.<\/p>\n\n\n\n

C. S\u1ef1 bay h\u01a1i l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n t\u1eeb th\u1ec3 l\u1ecfng sang th\u1ec3 kh\u00ed x\u1ea3y ra \u1edf c\u1ea3 b\u00ean trong v\u00e0 tr\u00ean b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng.<\/p>\n\n\n\n

D. S\u1ef1 bay h\u01a1i c\u1ee7a ch\u1ea5t l\u1ecfng x\u1ea3y ra \u1edf nhi\u1ec7t \u0111\u1ed9 b\u1ea5t k\u00ec.<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/p>\n\n\n\n

Ch\u1ecdn C.<\/p>\n\n\n\n

+ S\u1ef1 bay h\u01a1i \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n t\u1eeb th\u1ec3 l\u1ecfng sang th\u1ec3 kh\u00ed (hay c\u00f2n g\u1ecdi l\u00e0 h\u01a1i) \u1edf b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng. S\u1ef1 bay h\u01a1i ch\u1ec9 di\u1ec5n ra tr\u00ean b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng m\u00e0 kh\u00f4ng di\u1ec5n ra ph\u00eda d\u01b0\u1edbi b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n

B\u00e0i 10 (trang 210 SGK V\u1eadt L\u00fd 10) :<\/strong> Nhi\u1ec7t h\u00f3a h\u01a1i ri\u00eang c\u1ee7a n\u01b0\u1edbc l\u00e0 2,3.106<\/sup>J\/kg. C\u00e2u n\u00e0o d\u01b0\u1edbi \u0111\u00e2y l\u00e0 \u0111\u00fang?<\/p>\n\n\n\n

A. M\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ea5t k\u00ec c\u1ea7n thu m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u00e0 2,3.106<\/sup>J \u0111\u1ec3 bay h\u01a1i ho\u00e0n to\u00e0n .<\/ins><\/p>\n\n\n\n

B. M\u1ed9t kilogam n\u01b0\u1edbc c\u1ea7n thu m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u00e0 2,3.106<\/sup>J \u0111\u1ec3 bay h\u01a1i ho\u00e0n to\u00e0n.<\/p>\n\n\n\n

C. M\u1ed9t kilogam n\u01b0\u1edbc s\u1ebd t\u1ecfa ra m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u00e0 2,3.106<\/sup>J khi bay h\u01a1i ho\u00e0n to\u00e0n \u1edf nhi\u1ec7t \u0111\u1ed9 s\u00f4i.<\/p>\n\n\n\n

D. M\u1ed7i kilogam n\u01b0\u1edbc c\u1ea7n thu m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u00e0 2,3.106<\/sup>J \u0111\u1ec3 bay h\u01a1i ho\u00e0n to\u00e0n \u1edf nhi\u1ec7t \u0111\u1ed9 s\u00f4i v\u00e0 \u00e1p su\u1ea5t chu\u1ea9n.<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/p>\n\n\n\n

Ch\u1ecdn D.<\/p>\n\n\n\n

B\u00e0i 11 (trang 210 SGK V\u1eadt L\u00fd 10) :<\/strong> M\u1ed9t b\u00ecnh c\u1ea7u th\u1ee7y tinh ch\u1ee9a (kh\u00f4ng \u0111\u1ea7y) m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc n\u00f3ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 80o<\/sup>C v\u00e0 \u0111\u01b0\u1ee3c n\u00fat k\u00edn. D\u1ed9i n\u01b0\u1edbc l\u1ea1nh l\u00ean ph\u1ea7n tr\u00ean g\u1ea7n c\u1ed5 b\u00ecnh, ta th\u1ea5y n\u01b0\u1edbc trong b\u00ecnh l\u1ea1i s\u00f4i. Gi\u1ea3i th\u00edch t\u1ea1i sao?<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/ins><\/p>\n\n\n\n

V\u00ec nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a ch\u1ea5t l\u1ecfng ph\u1ee5 thu\u1ed9c \u00e1p su\u1ea5t ch\u1ea5t kh\u00ed \u1edf ph\u00eda tr\u00ean b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng: \u00c1p su\u1ea5t gi\u1ea3m \u2013 nhi\u1ec7t \u0111\u1ed9 s\u00f4i gi\u1ea3m .<\/p>\n\n\n\n

Khi d\u1ed9i n\u01b0\u1edbc l\u1ea1nh l\u00ean ph\u1ea7n tr\u00ean g\u1ea7n c\u1ed5 b\u00ecnh s\u1ebd l\u00e0m cho nhi\u1ec7t \u0111\u1ed9 h\u01a1i b\u00ean trong gi\u1ea3m, k\u00e9o theo \u00e1p su\u1ea5t kh\u00ed h\u01a1i tr\u00ean b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng gi\u1ea3m v\u00e0 do \u0111\u00f3 nhi\u1ec7t d\u1ed9 s\u00f4i gi\u1ea3m xu\u1ed1ng \u0111\u1ebfn 80o<\/sup>C n\u00ean n\u01b0\u1edbc trong b\u00ecnh l\u1ea1i s\u00f4i.<\/p>\n\n\n\n

B\u00e0i 12 (trang 210 SGK V\u1eadt L\u00fd 10) :<\/strong> \u1ede \u00e1p su\u1ea5t chu\u1ea9n (1 atm) c\u00f3 th\u1ec3 \u0111un n\u01b0\u1edbc n\u00f3ng \u0111\u1ebfn 120o<\/sup> C \u0111\u01b0\u1ee3c kh\u00f4ng?<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/ins><\/p>\n\n\n\n

D\u01b0\u1edbi \u00e1p su\u1ea5t chu\u1ea9n, m\u1ed7i ch\u1ea5t l\u1ecfng s\u00f4i \u1edf nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u00f4ng thay \u0111\u1ed5i. Theo \u0111\u00f3, \u1edf \u00e1p su\u1ea5t chu\u1ea9n (1 atm) n\u01b0\u1edbc s\u00f4i \u1edf 100o<\/sup> C v\u00e0 kh\u00f4ng t\u0103ng n\u1eefa, cho \u0111\u1ebfn khi n\u01b0\u1edbc bay h\u01a1i h\u1ebft.<\/p>\n\n\n\n

B\u00e0i 13 (trang 210 SGK V\u1eadt L\u00fd 10) :<\/strong> \u1ede tr\u00ean n\u00fai cao ng\u01b0\u1eddi ta kh\u00f4ng th\u1ec3 lu\u1ed9c ch\u00edn tr\u1ee9ng trong n\u01b0\u1edbc s\u00f4i. T\u1ea1i sao?<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/ins><\/p>\n\n\n\n

C\u00e0ng l\u00ean cao, \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed c\u00e0ng gi\u1ea3m. \u1ede n\u00fai cao, \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed nh\u1ecf h\u01a1n \u00e1p su\u1ea5t chu\u1ea9n (1 atm), do \u0111\u00f3 nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a n\u01b0\u1edbc nh\u1ecf h\u01a1n 100o<\/sup> C d\u1eabn \u0111\u1ebfn kh\u00f4ng th\u1ec3 lu\u1ed9c ch\u00edn tr\u1ee9ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

B\u00e0i 14 (trang 210 SGK V\u1eadt L\u00fd 10) :<\/strong> T\u00ednh nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p cho 4 kg n\u01b0\u1edbc \u0111\u00e1 \u1edf 0o<\/sup> C \u0111\u1ec3 chuy\u1ec3n n\u00f3 th\u00e0nh n\u01b0\u1edbc \u1edf 20o<\/sup> C. Nhi\u1ec7t n\u00f3ng ch\u1ea3y ri\u00eang c\u1ee7a n\u01b0\u1edbc \u0111\u00e1 l\u00e0 3,4.105<\/sup>J\/kg v\u00e0 nhi\u1ec7t dung ri\u00eang c\u1ee7a n\u01b0\u1edbc l\u00e0 4 180 J\/(kg.K)<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/ins><\/p>\n\n\n\n

– \u1ede \u00e1p su\u1ea5t chu\u1ea9n c\u1ee7a kh\u00f4ng kh\u00ed (1 atm), n\u01b0\u1edbc \u0111\u00e1 n\u00f3ng ch\u1ea3y \u1edf 0o<\/sup> C. Nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p cho kh\u1ed1i \u0111\u00e1 tan ho\u00e0n to\u00e0n th\u00e0nh n\u01b0\u1edbc \u1edf 0o<\/sup> C l\u00e0:<\/p>\n\n\n\n

Q1<\/sub> = \t\u03bbm = 3,4.105<\/sup>.4 = 13,6. 105<\/sup> J<\/p>\n\n\n\n

Nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p cho n\u01b0\u1edbc \u1edf 0o<\/sup> C \u0111\u1ec3 t\u0103ng l\u00ean 20o<\/sup> C l\u00e0: <\/p>\n\n\n\n

Q2<\/sub> = mc\u0394t = 4.4180(20 – 0) = 334400 J<\/p>\n\n\n\n

V\u1eady nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p cho 4 kg n\u01b0\u1edbc \u0111\u00e1 \u1edf 0o<\/sup> C \u0111\u1ec3 chuy\u1ec3n n\u00f3 th\u00e0nh n\u01b0\u1edbc \u1edf 20o<\/sup> C l\u00e0:<\/p>\n\n\n\n

Q = Q1<\/sub> + Q2<\/sub> = 1694400 J \u2248 1,69.103<\/sup> (kJ)<\/p>\n\n\n\n

B\u00e0i 15 (trang 210 SGK V\u1eadt L\u00fd 10) :<\/strong> T\u00ednh nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p cho mi\u1ebfng nh\u00f4m kh\u1ed1i l\u01b0\u1ee3ng 100 g \u1edf nhi\u1ec7t \u0111\u1ed9 20o<\/sup> C, \u0111\u1ec3 n\u00f3 h\u00f3a l\u1ecfng \u1edf nhi\u1ec7t \u0111\u1ed9 658o<\/sup>C. Nh\u00f4m c\u00f3 nhi\u1ec7t dung ri\u00eang l\u00e0 896 J\/(kg.K), nhi\u1ec7t n\u00f3ng ch\u1ea3y ri\u00eang l\u00e0 3,9.105<\/sup> J\/kg.<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/ins><\/p>\n\n\n\n

V\u00ec nh\u00f4m n\u00f3ng ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 658\u00baC (theo \u0111\u1ec1 b\u00e0i) n\u00ean c\u1ea7n cung c\u1ea5p \nnhi\u1ec7t l\u01b0\u1ee3ng cho mi\u1ebfng nh\u00f4m \u0111\u1ec3 t\u0103ng nhi\u1ec7t \u0111\u1ed9 t\u1eeb 20\u00baC l\u00ean 658\u00baC l\u00e0:\n<\/p>\n\n\n\n

     Q1<\/sub> = m.c.\u0394t = 0,1.896.(658 \u2013 20 ) = 57164,8 J\n<\/p>\n\n\n\n

Nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p cho mi\u1ebfng nh\u00f4m h\u00f3a l\u1ecfng ho\u00e0n to\u00e0n \u1edf nhi\u1ec7t \u0111\u1ed9 658\u00baC l\u00e0: \n<\/p>\n\n\n\n

     Q2<\/sub> = \u03bb.m=3,9.105<\/sup>.0,1 = 39000 (J)\n<\/p>\n\n\n\n

V\u1eady nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p cho mi\u1ebfng nh\u00f4m 100 g \u1edf 20\u00baC \u0111\u1ec3 n\u00f3 h\u00f3a l\u1ecfng \u1edf 658\u00baC l\u00e0: \n<\/p>\n\n\n\n

     Q = Q1<\/sub> + Q2<\/sub> = 96164,8 J \u2248 96,2 kJ<\/p>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t C1. ( trang 204 sgk V\u1eadt L\u00fd 10): D\u1ef1a v\u00e0o \u0111\u1ed3 th\u1ecb tr\u00ean H\u00ecnh 38.2, h\u00e3y m\u00f4 t\u1ea3 v\u00e0 nh\u1eadn x\u00e9t v\u1ec1 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y v\u00e0 \u0111\u00f4ng \u0111\u1eb7c c\u1ee7a thi\u1ebfc. Tr\u1ea3 l\u1eddi: Khi \u0111un, nhi\u1ec7t \u0111\u1ed9 thi\u1ebfc t\u0103ng d\u1ea7n, […]<\/p>\n","protected":false},"author":12,"featured_media":44203,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1640],"tags":[],"yoast_head":"\nGi\u1ea3i V\u1eadt L\u00ed 10 B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t<\/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\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gi\u1ea3i V\u1eadt L\u00ed 10 B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t C1. ( trang 204 sgk V\u1eadt L\u00fd 10): D\u1ef1a v\u00e0o \u0111\u1ed3 th\u1ecb tr\u00ean H\u00ecnh 38.2, h\u00e3y m\u00f4 t\u1ea3 v\u00e0 nh\u1eadn x\u00e9t v\u1ec1 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y v\u00e0 \u0111\u00f4ng \u0111\u1eb7c c\u1ee7a thi\u1ebfc. Tr\u1ea3 l\u1eddi: Khi \u0111un, nhi\u1ec7t \u0111\u1ed9 thi\u1ebfc t\u0103ng d\u1ea7n, […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2019-10-13T07:39:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-10-13T07:39:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2019\/10\/i38.png\" \/>\n\t<meta property=\"og:image:width\" content=\"696\" \/>\n\t<meta property=\"og:image:height\" content=\"385\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n M\u01a1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n M\u01a1\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/\",\"url\":\"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/\",\"name\":\"Gi\u1ea3i V\u1eadt L\u00ed 10 B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2019-10-13T07:39:16+00:00\",\"dateModified\":\"2019-10-13T07:39:17+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/104e47bfb6189ee6fa1aa67e1f9107a2\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Gi\u1ea3i V\u1eadt L\u00ed 10 B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/104e47bfb6189ee6fa1aa67e1f9107a2\",\"name\":\"Nguy\u1ec5n M\u01a1\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/20d6905502209505aa7a21b55419ebe9?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/20d6905502209505aa7a21b55419ebe9?s=96&d=mm&r=g\",\"caption\":\"Nguy\u1ec5n M\u01a1\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/mont\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Gi\u1ea3i V\u1eadt L\u00ed 10 B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/","og_locale":"en_US","og_type":"article","og_title":"Gi\u1ea3i V\u1eadt L\u00ed 10 B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t","og_description":"B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t C1. ( trang 204 sgk V\u1eadt L\u00fd 10): D\u1ef1a v\u00e0o \u0111\u1ed3 th\u1ecb tr\u00ean H\u00ecnh 38.2, h\u00e3y m\u00f4 t\u1ea3 v\u00e0 nh\u1eadn x\u00e9t v\u1ec1 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y v\u00e0 \u0111\u00f4ng \u0111\u1eb7c c\u1ee7a thi\u1ebfc. Tr\u1ea3 l\u1eddi: Khi \u0111un, nhi\u1ec7t \u0111\u1ed9 thi\u1ebfc t\u0103ng d\u1ea7n, […]","og_url":"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_published_time":"2019-10-13T07:39:16+00:00","article_modified_time":"2019-10-13T07:39:17+00:00","og_image":[{"width":696,"height":385,"url":"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2019\/10\/i38.png","type":"image\/png"}],"author":"Nguy\u1ec5n M\u01a1","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Nguy\u1ec5n M\u01a1","Est. reading time":"11 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/","url":"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/","name":"Gi\u1ea3i V\u1eadt L\u00ed 10 B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2019-10-13T07:39:16+00:00","dateModified":"2019-10-13T07:39:17+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/104e47bfb6189ee6fa1aa67e1f9107a2"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/giai-vat-li-10-bai-38-su-chuyen-the-cua-cac-chat\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"Gi\u1ea3i V\u1eadt L\u00ed 10 B\u00e0i 38 : S\u1ef1 chuy\u1ec3n th\u1ec3 c\u1ee7a c\u00e1c ch\u1ea5t"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/104e47bfb6189ee6fa1aa67e1f9107a2","name":"Nguy\u1ec5n M\u01a1","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/20d6905502209505aa7a21b55419ebe9?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/20d6905502209505aa7a21b55419ebe9?s=96&d=mm&r=g","caption":"Nguy\u1ec5n M\u01a1"},"url":"https:\/\/lop12.edu.vn\/author\/mont\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/44202"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=44202"}],"version-history":[{"count":1,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/44202\/revisions"}],"predecessor-version":[{"id":44204,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/44202\/revisions\/44204"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media\/44203"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=44202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=44202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=44202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}