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已知:(1)Zn(s)+O2(g)=== ZnO(s),ΔH=" -348.3" kJ·mol-1, (2)2Ag(s)+O2(g)=== Ag2O(s),ΔH=" -31.0" kJ·mol-1, ...
题目内容:
已知:(1)Zn(s)+O2(g)=== ZnO(s),ΔH=" -348.3" kJ·mol-1,
(2)2Ag(s)+O2(g)=== Ag2O(s),ΔH=" -31.0" kJ·mol-1,
则Zn(s)+ Ag2O(s) === ZnO(s)+ 2Ag(s)的ΔH等于( )
A. -379.3 kJ·mol-1 B. -317.3 kJ·mol-1
C. -332.8 kJ·mol-1 D. 317.3 kJ·mol-1
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