問題詳情

12. Which of the following statements is correct?
(A) the intemal energy of a system increases when more work is done by the system than heat isflowing into the system
(B) the internal energy of a system decreases when work is done on thesystem and heat is flowing into the system
(C) the system does work on the surroundings when anideal gas expands against a constant external pressure
(D) all the statements are true
(E) all thestatements are false

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增