已知:(1)Zn(s)+1/2O 2 (g)=ZnO(s) △H=-348.3kJ·mol - 1 ,(2)2Ag(s)+1/2O 2
已知:(1)Zn(s)+1/2O2(g)=ZnO(s)△H=-348.3kJ·mol-1,(2)2Ag(s)+1/2O2(g)=Ag2O(s)△H=-31.0kJ·mol...
已知:(1)Zn(s)+1/2O 2 (g)=ZnO(s) △H=-348.3kJ·mol - 1 ,(2)2Ag(s)+1/2O 2 (g)=Ag 2 O(s) △H=-31.0kJ·mol - 1 ,则Zn(s)+Ag 2 O(s)=ZnO(s)+2Ag(s)的△H等于 A.-317.3kJ·mol - 1 B.-379.3kJ·mol - 1 C.-332.8kJ·mol - 1 D.+317.3kJ·mol - 1
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