問題詳情
17. Liquid metal of mass m kg at S00 K is mixed with the same liquid metal of same mass at 1500 K.Given the specific heat of the metal is c cal/K, find the change in entropy (in cal/K) of the system.Take In 2 = 0.70, In 3 = 1.10, In 4 =1.40, In 5 = 1.61.
(A)+2.0 mc
(B) +0.6mc
(C)-1.0 mc
(D) +0.3 mc
(E) -0.21 mc
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增