PHY..............
2006-12-25 9:52 pm
Clculate the energy needed to raise the temperature of some meat from 5'C to 40'C . The heat capacity of the meat is 2100 J'C-1 .
回答 (2)
2006-12-25 9:57 pm
✔ 最佳答案
By E = CΔTE = 2100 (40-5)
= 73500 J
(=73.5 kJ)
2006-12-25 9:56 pm
energy needed
=C(T2-T1)
=2100x(40-5)
=73500J
Note that the question is given the heat capacity of meat, but not specific heat capacity
=C(T2-T1)
=2100x(40-5)
=73500J
Note that the question is given the heat capacity of meat, but not specific heat capacity
參考: me
收錄日期: 2021-04-13 16:19:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061225000051KK01552