單項選擇題

1mol Ag(s)在等容下由273.15K加熱到303.15K,已知在該溫度區(qū)間內(nèi)Ag(s)的C(V,m)=24.48J/(K·mol),則其熵變?yōu)椋海ǎ?/h4>

A.2.531J/K
B.5.622J/K
C.25.31J/K
D.56.22J/K

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