题目内容

American writers after World War I self-consciously acknowledged that they were the “____", devoid of faith and alienated from the Western civilization.

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____'s drama marks the coming of the age of American drama.

理想气体进行绝热可逆膨胀,下述答案正确的是()。

A. △S>0
B. △S<0
C. △S=0
D. 不一定

在300K时,5mol的理想气体由1dm3等温可逆膨胀到10dm3,则该过程的△S为()J·K-1。

A. 95.72
B. -95.72
C. 19.12
D. -19.12

在273K时,1mol单原子理想气体经定压可逆温度加倍,则该过程的△S为()J·K-1。

A. 14.4
B. -14.4
C. 28.8
D. -28.8