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 |
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 |