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【单选题】
1 mol 理想气体向真空膨胀 , 若其体积增加到原来的 10 倍 , 则体系、环境和孤立体系的熵变应分别为A.
19.14 J·K -1 , -19.14 J·K -1 , 0
B.
19.14 J·K -1 , 0 , 19.14 J·K -1
C.
-19.14 J·K -1 , 19.14 J·K -1 , 0
D.
0 , 0 , 0
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