{"id":696,"date":"2026-10-02T14:19:50","date_gmt":"2026-10-02T14:19:50","guid":{"rendered":"https:\/\/giapsgk.com\/chuyen-de\/?p=696"},"modified":"2026-10-02T14:26:58","modified_gmt":"2026-10-02T14:26:58","slug":"de-giua-ky-1-vat-li-12-nam-2025-2026-truong-thpt-huong-hoa-quang-tri","status":"publish","type":"post","link":"https:\/\/giapsgk.com\/chuyen-de\/de-giua-ky-1-vat-li-12-nam-2025-2026-truong-thpt-huong-hoa-quang-tri\/","title":{"rendered":"\u0110\u1ec1 gi\u1eefa k\u1ef3 1 V\u1eadt l\u00ed 12 n\u0103m 2025 \u2013 2026 tr\u01b0\u1eddng THPT H\u01b0\u1edbng H\u00f3a \u2013 Qu\u1ea3ng Tr\u1ecb"},"content":{"rendered":"<p class=\"isSelectedEnd\">Tr\u00ean \u0111\u00e2y l\u00e0 <strong>\u0110\u1ec1 gi\u1eefa k\u1ef3 1 V\u1eadt l\u00ed 12 n\u0103m 2025 \u2013 2026 tr\u01b0\u1eddng THPT H\u01b0\u1edbng H\u00f3a \u2013 Qu\u1ea3ng Tr\u1ecb<\/strong> gi\u00fap h\u1ecdc sinh c\u00f3 th\u00eam t\u00e0i li\u1ec7u \u00f4n t\u1eadp v\u00e0 l\u00e0m quen v\u1edbi d\u1ea1ng c\u00e2u h\u1ecfi ki\u1ec3m tra gi\u1eefa h\u1ecdc k\u1ef3. Vi\u1ec7c luy\u1ec7n \u0111\u1ec1 th\u01b0\u1eddng xuy\u00ean s\u1ebd gi\u00fap c\u00e1c em c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c, r\u00e8n k\u1ef9 n\u0103ng t\u00ednh to\u00e1n v\u00e0 ch\u1ee7 \u0111\u1ed9ng h\u01a1n tr\u01b0\u1edbc k\u1ef3 ki\u1ec3m tra.<\/p>\n<p><strong>T\u1ea3i ngay file PDF \u0110\u1ec1 gi\u1eefa k\u1ef3 1 V\u1eadt l\u00ed 12 n\u0103m 2025 \u2013 2026 tr\u01b0\u1eddng THPT H\u01b0\u1edbng H\u00f3a \u2013 Qu\u1ea3ng Tr\u1ecb k\u00e8m \u0111\u00e1p \u00e1n<\/strong> \u0111\u1ec3 thu\u1eadn ti\u1ec7n l\u01b0u tr\u1eef, in \u1ea5n v\u00e0 luy\u1ec7n t\u1eadp. Sau khi ho\u00e0n th\u00e0nh \u0111\u1ec1, h\u1ecdc sinh c\u00f3 th\u1ec3 \u0111\u1ed1i chi\u1ebfu \u0111\u00e1p \u00e1n \u0111\u1ec3 t\u1ef1 ki\u1ec3m tra k\u1ebft qu\u1ea3 v\u00e0 x\u00e1c \u0111\u1ecbnh nh\u1eefng ph\u1ea7n ki\u1ebfn th\u1ee9c c\u1ea7n b\u1ed5 sung.<\/p>\n<p><strong>PH\u1ea6N II. C\u00e2u tr\u1eafc nghi\u1ec7m \u0111\u00fang sai.<\/strong> Th\u00ed sinh tr\u1ea3 l\u1eddi t\u1eeb c\u00e2u 1 \u0111\u1ebfn c\u00e2u 4. Trong m\u1ed7i \u00fd a), b), c), d) \u1edf m\u1ed7i c\u00e2u, th\u00ed sinh ch\u1ecdn \u0111\u00fang ho\u1eb7c sai.<\/p>\n<p><strong>C\u00e2u 1:<\/strong> Trong c\u00e1c ph\u00e1t bi\u1ec3u sau, ph\u00e1t bi\u1ec3u n\u00e0o \u0111\u00fang, ph\u00e1t bi\u1ec3u n\u00e0o sai?<\/p>\n<table border=\"1\" width=\"98%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td width=\"100%\">a) \u00a0M\u1ed9t qu\u1ea3 b\u00f3ng kh\u1ed1i l\u01b0\u1ee3ng 100 g r\u01a1i t\u1eeb \u0111\u1ed9 cao 10 m xu\u1ed1ng s\u00e2n v\u00e0 n\u1ea3y l\u00ean \u0111\u01b0\u1ee3c 7 m. L\u1ea5y g = 9,8m\/s2. \u0110\u1ed9 bi\u1ebfn thi\u00ean n\u1ed9i n\u0103ng c\u1ee7a qu\u1ea3 b\u00f3ng trong qu\u00e1 tr\u00ecnh tr\u00ean b\u1eb1ng 2,94 J.<\/td>\n<\/tr>\n<tr>\n<td width=\"100%\">b) Khi truy\u1ec1n nhi\u1ec7t l\u01b0\u1ee3ng Q cho kh\u1ed1i kh\u00ed trong m\u1ed9t xilanh h\u00ecnh tr\u1ee5 kh\u00ed d\u00e3n n\u1edf \u0111\u1ea9y pit-t\u00f4ng l\u00e0m th\u1ec3 t\u00edch kh\u1ed1i kh\u00ed t\u0103ng th\u00eam 7 l\u00edt. Bi\u1ebft \u00e1p su\u1ea5t c\u1ee7a kh\u1ed1i kh\u00ed l\u00e0 3.105 Pa v\u00e0 kh\u00f4ng \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh d\u00e3n n\u1edf. Bi\u1ebft r\u1eb1ng trong qu\u00e1 tr\u00ecnh n\u00e0y, n\u1ed9i n\u0103ng c\u1ee7a kh\u1ed1i kh\u00ed gi\u1ea3m \u0111i 1100 J. Nhi\u1ec7t l\u01b0\u1ee3ng cung c\u1ea5p cho kh\u1ed1i kh\u00ed l\u00e0 1000 J.<\/td>\n<\/tr>\n<tr>\n<td width=\"100%\">c) \u00a0M\u1ed9t th\u1ecfi n\u01b0\u1edbc \u0111\u00e1 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 100g \u1edf \u221220\u00b0C, bi\u1ebft nhi\u1ec7t nhi\u1ec7t dung ri\u00eang c\u1ee7a n\u01b0\u1edbc \u0111\u00e1 l\u00e0 2,1.103 J\/kg.K. Nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p \u0111\u1ec3 l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u01b0\u1edbc \u0111\u00e1 l\u00ean \u0111\u1ebfn 0oC l\u00e0 4200 J.<\/td>\n<\/tr>\n<tr>\n<td width=\"100%\">d) Nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n \u0111\u1ec3 l\u00e0m n\u00f3ng 1 kg n\u01b0\u1edbc l\u00ean th\u00eam 1\u00b0C b\u1eb1ng v\u1edbi nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n \u0111\u1ec3 l\u00e0m n\u00f3ng 1 kg r\u01b0\u1ee3u l\u00ean th\u00eam 1\u00b0 C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>C\u00e2u 2:<\/strong> \u00a0Trong c\u00e1c ph\u00e1t bi\u1ec3u sau, ph\u00e1t bi\u1ec3u n\u00e0o \u0111\u00fang, ph\u00e1t bi\u1ec3u n\u00e0o sai?<\/p>\n<table border=\"1\" width=\"98%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td width=\"100%\">a) Khi nhi\u1ec7t \u0111\u1ed9 trong thang<span lang=\"VI\"> Kelvin <\/span>t\u0103ng 100K th\u00ec nhi\u1ec7t \u0111\u1ed9 trong thang <span lang=\"VI\">Celsius<\/span> t\u0103ng 273 0C.<\/td>\n<\/tr>\n<tr>\n<td width=\"100%\">b) Khi n\u00f3i v\u1ec1 c\u1ea5u tr\u00fac c\u1ee7a ch\u1ea5t r\u1eafn, ch\u1ea5t l\u1ecfng, ch\u1ea5t kh\u00ed. Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c ph\u00e2n t\u1eed l\u1edbn th\u00ec l\u1ef1c li\u00ean k\u1ebft gi\u1eefa ch\u00fang c\u00e1c y\u1ebfu.<\/td>\n<\/tr>\n<tr>\n<td width=\"100%\">c) \u00a0Ng\u01b0\u1eddi ta truy\u1ec1n cho kh\u00ed trong xi lanh nhi\u1ec7t l\u01b0\u1ee3ng 90 J. Kh\u00ed n\u1edf ra th\u1ef1c hi\u1ec7n c\u00f4ng 60 J \u0111\u1ea9y pit-t\u00f4ng l\u00ean. N\u1ed9i n\u0103ng c\u1ee7a kh\u00ed trong xi lanh t\u0103ng l\u00ean 30J<\/td>\n<\/tr>\n<tr>\n<td width=\"100%\">d) \u00a0Khi n\u00f3i v\u1ec1 c\u1ea5u tr\u00fac c\u1ee7a ch\u1ea5t r\u1eafn, ch\u1ea5t l\u1ecfng, ch\u1ea5t kh\u00ed. C\u00e1c ph\u00e2n t\u1eed s\u1eafp x\u1ebfp c\u00e0ng c\u00f3 tr\u1eadt t\u1ef1 th\u00ec l\u1ef1c li\u00ean k\u1ebft gi\u1eefa ch\u00fang c\u00e0ng m\u1ea1nh.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>C\u00e2u 3:<\/strong> \u00a0\u0110\u1ed3 th\u1ecb bi\u1ec3u di\u1ec5n s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 theo th\u1eddi gian c\u1ee7a n\u01b0\u1edbc \u0111\u00e1 nh\u01b0 h\u00ecnh v\u1ebd b\u00ean d\u01b0\u1edbi<\/p>\n<p align=\"center\"><!-- [if gte vml 1]><v:shapetype id=\"_x0000_t75\" coordsize=\"21600,21600\" o:spt=\"75\" o:preferrelative=\"t\" path=\"m@4@5l@4@11@9@11@9@5xe\" filled=\"f\" stroked=\"f\">\n<v:stroke joinstyle=\"miter\"\/>\n<v:formulas>\n<v:f eqn=\"if lineDrawn pixelLineWidth 0\"\/>\n<v:f eqn=\"sum @0 1 0\"\/>\n<v:f eqn=\"sum 0 0 @1\"\/>\n<v:f eqn=\"prod @2 1 2\"\/>\n<v:f eqn=\"prod @3 21600 pixelWidth\"\/>\n<v:f eqn=\"prod @3 21600 pixelHeight\"\/>\n<v:f eqn=\"sum @0 0 1\"\/>\n<v:f eqn=\"prod @6 1 2\"\/>\n<v:f eqn=\"prod @7 21600 pixelWidth\"\/>\n<v:f eqn=\"sum @8 21600 0\"\/>\n<v:f eqn=\"prod @7 21600 pixelHeight\"\/>\n<v:f eqn=\"sum @10 21600 0\"\/>\n<\/v:formulas>\n<v:path o:extrusionok=\"f\" gradientshapeok=\"t\" o:connecttype=\"rect\"\/>\n<o:lock v:ext=\"edit\" aspectratio=\"t\"\/>\n<\/v:shapetype><v:shape id=\"Picture_x0020_1\" o:spid=\"_x0000_i1025\" type=\"#_x0000_t75\" style='width:204.75pt;height:163.5pt;visibility:visible;mso-wrap-style:square'>\n<v:imagedata src=\"file:\/\/\/C:\/Users\/ASUS\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_image001.png\" o:title=\"\"\/>\n<\/v:shape><![endif]--><!-- [if !vml]--><!--[endif]--><\/p>\n<p>a) T\u1eeb th\u1eddi \u0111i\u1ec3m \u0111\u1ea7u \u0111\u1ebfn ph\u00fat th\u1ee9 6 ta th\u1ea5y nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u01b0\u1edbc \u0111\u00e1 gi\u1ea3m d\u1ea7n.<\/p>\n<p>b) T\u1eeb ph\u00fat th\u1ee9 6 \u0111\u1ebfn ph\u00fat th\u1ee9 10 l\u00e0 th\u1eddi gian n\u01b0\u1edbc \u0111\u00e1 n\u00f3ng ch\u1ea3y.<\/p>\n<p>c) Sau ph\u00fat th\u1ee9 10 th\u00ec n\u01b0\u1edbc \u0111\u00e1 \u0111\u00e3 tan ch\u1ea3y h\u1ebft.<\/p>\n<p>d) Sau ph\u00fat th\u1ee9 10 th\u00ec n\u01b0\u1edbc \u0111\u00e1 \u0111ang \u1edf th\u1ec3 r\u1eafn ng\u00e2m trong th\u1ec3 l\u1ecfng trong c\u1ed1c th\u1ee7y tinh.<\/p>\n<p><strong>C\u00e2u 4:<\/strong> \u00a0Cho mi\u1ebfng nh\u00f4m kh\u1ed1i l\u01b0\u1ee3ng 100 g \u1edf nhi\u1ec7t \u0111\u1ed9 20o C, n\u00f3 h\u00f3a l\u1ecfng \u1edf nhi\u1ec7t \u0111\u1ed9 658oC. 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 J\/kg.<\/p>\n<table border=\"1\" width=\"98%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td width=\"100%\">a) C\u1ea7n cung c\u1ea5p nhi\u1ec7t l\u01b0\u1ee3ng 3,9.105 J \u0111\u1ec3 ho\u00e1 l\u1ecfng ho\u00e0n to\u00e0n mi\u1ebfng nh\u00f4m.<\/td>\n<\/tr>\n<tr>\n<td width=\"100%\">b) \u00a0C\u1ea7n cung c\u1ea5p nhi\u1ec7t l\u01b0\u1ee3ng 896 J \u0111\u1ec3 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a 1kg nh\u00f4m t\u0103ng th\u00eam 1K.<\/td>\n<\/tr>\n<tr>\n<td width=\"100%\">c) \u00a0C\u1ea7n cung c\u1ea5p nhi\u1ec7t l\u01b0\u1ee3ng 57164,8 J \u0111\u1ec3 t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a mi\u1ebfng nh\u00f4m t\u1eeb 20oC l\u00ean 658oC<\/td>\n<\/tr>\n<tr>\n<td width=\"100%\">d) Nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p cho mi\u1ebfng nh\u00f4m \u0111\u1ec3 t\u0103ng nhi\u1ec7t \u0111\u1ed9 t\u1eeb 20oC l\u00ean 658oC v\u00e0 h\u00f3a l\u1ecfng ho\u00e0n to\u00e0n l\u00e0 96164,8 J.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span lang=\"VI\"><strong>PH\u1ea6N III. C\u00e2u tr\u1eafc nghi\u1ec7m tr\u1ea3 l\u1eddi ng\u1eafn.<\/strong> <\/span><span lang=\"VI\">Th\u00ed sinh tr\u1ea3 l\u1eddi t\u1eeb c\u00e2u 1 \u0111\u1ebfn c\u00e2u <\/span>6<span lang=\"VI\">. <\/span><\/p>\n<p><strong>C\u00e2u 1:<\/strong> \u00a0Thang nhi\u1ec7t \u0111\u1ed9 Fahrenheit hi\u1ec7n nay(\u0111\u01a1n v\u1ecb l\u00e0 \u0111\u1ed9 F) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u1edf M\u1ef9 v\u00e0 m\u1ed9t s\u1ed1 qu\u1ed1c gia n\u00f3i ti\u1ebfng Anh kh\u00e1c<span lang=\"FR\">. Thang nhi\u1ec7t \u0111\u1ed9 <\/span>Fahrenheit l\u1ea5y nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3ng b\u0103ng c\u1ee7a n\u01b0\u1edbc l\u00e0 32 0F v\u00e0 nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a n\u01b0\u1edbc l\u00e0 212 0F. Th\u00e2n th\u1ec3 b\u00ecnh th\u01b0\u1eddng c\u1ee7a con ng\u01b0\u1eddi l\u00e0 370C s\u1ebd c\u00f3 nhi\u1ec7t \u0111\u1ed9 theo \u0111\u1ed9 F l\u00e0 bao nhi\u00eau?<\/p>\n<p><strong>C\u00e2u 2:<\/strong> Ng\u01b0\u1eddi ta cung c\u1ea5p m\u1ed9t nhi\u1ec7t l\u01b0\u1ee3ng 4,5 J cho ch\u1ea5t kh\u00ed \u0111\u1ef1ng trong m\u1ed9t xilanh \u0111\u1eb7t n\u1eb1m ngang. Kh\u00ed n\u1edf ra \u0111\u1ea9y pitt\u00f4ng di chuy\u1ec3n \u0111\u1ec1u m\u1ed9t \u0111o\u1ea1n 5 cm. Bi\u1ebft l\u1ef1c ma s\u00e1t gi\u1eefa pitt\u00f4ng v\u00e0 xilanh c\u00f3 \u0111\u1ed9 l\u1edbn 20,5 N. \u0110\u1ed9 bi\u1ebfn thi\u00ean n\u1ed9i n\u0103ng c\u1ee7a kh\u00ed l\u00e0 bao nhi\u00eau J?( L\u00e0m tr\u00f2n k\u1ebft qu\u1ea3 \u0111\u1ebfn 2 ch\u1eef s\u1ed1 th\u1eadp ph\u00e2n)<\/p>\n<p><strong>C\u00e2u 3:<\/strong> <span lang=\"PT-BR\">N\u01b0\u1edbc trong m\u1ed9t \u1ea5m \u0111i\u1ec7n c\u00f4ng su\u1ea5t 1000W c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 300g c\u00f3 nhi\u1ec7t \u0111\u1ed9 ban \u0111\u1ea7u 200C. N\u1ebfu \u0111\u1ec3 n\u01b0\u1edbc trong \u1ea5m s\u00f4i th\u00eam 2 ph\u00fat th\u00ec l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f2n l\u1ea1i trong \u1ea5m l\u00e0 bao nhi\u00eau gam? <a name=\"_Hlk163419811\"><\/a>Cho <\/span><span lang=\"EN-ZW\">nhi\u1ec7t dung ri\u00eang c\u1ee7a n\u01b0\u1edbcl\u00e0 <\/span><span lang=\"EN-ZW\">4200J\/kg.K<\/span><span lang=\"EN-ZW\">; <\/span><span lang=\"PT-BR\">nhi\u1ec7t ho\u00e1 h\u01a1i ri\u00eang c\u1ee7a n\u01b0\u1edbc l\u00e0 2,26.106 J\/kg.<\/span> (L\u00e0m tr\u00f2n \u0111\u1ebfn ph\u1ea7n nguy\u00ean)<\/p>\n<p><strong>C\u00e2u 4:<\/strong> \u00a0<span lang=\"PT-BR\">Ng\u01b0\u1eddi ta th\u1ea3 m\u1ed9t c\u1ee5c n\u01b0\u1edbc \u0111\u00e1 kh\u1ed1i l\u01b0\u1ee3ng 80g \u1edf 0oC v\u00e0o m\u1ed9t c\u1ed1c nh\u00f4m \u0111\u1ef1ng 0,4kg n\u01b0\u1edbc \u1edf 20oC \u0111\u1eb7t trong nhi\u1ec7t l\u01b0\u1ee3ng k\u1ebf. Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u1ed1c nh\u00f4m l\u00e0 0,20kg. T\u00ednh nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u01b0\u1edbc trong c\u1ed1c nh\u00f4m theo \u0111\u1ed9 C khi c\u1ee5c n\u01b0\u1edbc v\u1eeba tan h\u1ebft. Nhi\u1ec7t n\u00f3ng ch\u1ea3y ri\u00eang c\u1ee7a n\u01b0\u1edbc \u0111\u00e1 l\u00e0 3,4.105J\/kg. Nhi\u1ec7t dung ri\u00eang c\u1ee7a nh\u00f4m l\u00e0 880J\/kg.K v\u00e0 c\u1ee7a n\u01b0\u1edbc l\u00e0 4180 J\/kg.K. B\u1ecf qua s\u1ef1 m\u1ea5t m\u00e1t nhi\u1ec7t \u0111\u1ed9 do nhi\u1ec7t truy\u1ec1n ra b\u00ean ngo\u00e0i nhi\u1ec7t l\u01b0\u1ee3ng k\u1ebf. (L\u00e0m tr\u00f2n \u0111\u1ebfn 1 ch\u1eef s\u1ed1 th\u1eadp ph\u00e2n)<\/span><\/p>\n<p><strong>C\u00e2u 5<\/strong>: \u00a0Khi h\u1ea1 th\u1ea5p d\u1ea7n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u xu\u1ed1ng nhi\u1ec7t \u0111\u1ed9 Tc g\u1ecdi l\u00e0 nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha si\u00eau d\u1eabn th\u00ec v\u1eadt li\u1ec7u s\u1ebd sang pha si\u00eau d\u1eabn, l\u00fac n\u00e0y n\u00f3 s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n t\u1ed1t v\u1edbi \u0111i\u1ec7n tr\u1edf gi\u1ea3m nhanh v\u1ec1 0. N\u0103m 1911, l\u1ea7n \u0111\u1ea7u ti\u00ean ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n ra hi\u1ec7n t\u01b0\u1ee3ng chuy\u1ec3n pha si\u00eau d\u1eabn \u0111\u1ed1i \u1edf th\u1ee7y ng\u00e2n v\u1edbi Tc = 4,1K. Nhi\u1ec7t \u0111\u1ed9 tr\u00ean trong thang <span lang=\"VI\">Celsius<\/span> l\u00e0 bao nhi\u00eau? (L\u00e0m tr\u00f2n \u0111\u1ebfn ph\u1ea7n nguy\u00ean)<\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom: 0cm;\"><strong>C\u00e2u 6:<\/strong> Ng\u01b0\u1eddi ta th\u1ea3 mi\u1ebfng \u0111\u1ed3ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 0,5kg v\u00e0o 500g n\u01b0\u1edbc. Mi\u1ebfng \u0111\u1ed3ng ngu\u1ed9i \u0111i t\u1eeb 80\u00b0C \u0111\u1ebfn 20\u00b0C H\u1ecfi n\u01b0\u1edbc n\u00f3ng l\u00ean th\u00eam bao nhi\u00eau \u0111\u1ed9 C (L\u00e0m tr\u00f2n \u0111\u1ebfn 1 ch\u1eef s\u1ed1 th\u1eadp ph\u00e2n)? Bi\u1ebft nhi\u1ec7t dung ri\u00eang c\u1ee7a \u0111\u1ed3ng v\u00e0 n\u01b0\u1edbc l\u00e0 CCu = 380J\/kg.K; ${{C}_{{{H}_{2}}O}}$ = 4190 J\/kg.K.<\/p>\n\n<p style=\"text-align: center;\"><a href=\"https:\/\/giapsgk.com\/chuyen-de\/wp-content\/uploads\/2026\/10\/vatli12-De-giua-ky-1-Vat-li-12-nam-2025-\u2013-2026-truong-THPT-Huong-Hoa-\u2013-Quang-Tri.pdf\"><strong>T\u1ea2I FILE PDF<\/strong><\/a><\/p>\n<hr \/>\n<p style=\"text-align: center;\"><a href=\"https:\/\/giapsgk.com\/chuyen-de\/wp-content\/uploads\/2026\/10\/Dap-an-de-giua-ky-1-Vat-li-12-nam-2025-\u2013-2026-truong-THPT-Huong-Hoa-\u2013-Quang-Tri.pdf\"><strong>T\u1ea2I L\u1edcI GI\u1ea2I<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tr\u00ean \u0111\u00e2y l\u00e0 \u0110\u1ec1 gi\u1eefa k\u1ef3 1 V\u1eadt l\u00ed 12 n\u0103m 2025 \u2013 2026 tr\u01b0\u1eddng THPT H\u01b0\u1edbng H\u00f3a \u2013 Qu\u1ea3ng Tr\u1ecb gi\u00fap h\u1ecdc sinh c\u00f3 th\u00eam t\u00e0i li\u1ec7u \u00f4n t\u1eadp v\u00e0 l\u00e0m quen v\u1edbi d\u1ea1ng c\u00e2u h\u1ecfi ki\u1ec3m tra gi\u1eefa h\u1ecdc k\u1ef3. Vi\u1ec7c luy\u1ec7n \u0111\u1ec1 th\u01b0\u1eddng xuy\u00ean s\u1ebd gi\u00fap c\u00e1c em c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c, &#8230; <a title=\"\u0110\u1ec1 gi\u1eefa k\u1ef3 1 V\u1eadt l\u00ed 12 n\u0103m 2025 \u2013 2026 tr\u01b0\u1eddng THPT H\u01b0\u1edbng H\u00f3a \u2013 Qu\u1ea3ng Tr\u1ecb\" class=\"read-more\" href=\"https:\/\/giapsgk.com\/chuyen-de\/de-giua-ky-1-vat-li-12-nam-2025-2026-truong-thpt-huong-hoa-quang-tri\/\" aria-label=\"\u0110\u1ecdc th\u00eam v\u1ec1 \u0110\u1ec1 gi\u1eefa k\u1ef3 1 V\u1eadt l\u00ed 12 n\u0103m 2025 \u2013 2026 tr\u01b0\u1eddng THPT H\u01b0\u1edbng H\u00f3a \u2013 Qu\u1ea3ng Tr\u1ecb\">\u0110\u1ecdc ti\u1ebfp<\/a><\/p>\n","protected":false},"author":1,"featured_media":698,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-de-thi"],"_links":{"self":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/comments?post=696"}],"version-history":[{"count":3,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/696\/revisions"}],"predecessor-version":[{"id":703,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/posts\/696\/revisions\/703"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/media\/698"}],"wp:attachment":[{"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/media?parent=696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/categories?post=696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/giapsgk.com\/chuyen-de\/wp-json\/wp\/v2\/tags?post=696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}