己知:2Zn (s)+O2(g)=2ZnO (s); ΔH=-701.0kJ·mol-12Hg(l)+O2(g...
问题详情:己知:2Zn (s)+O2(g)=2ZnO (s); ΔH=-701.0kJ·mol-12Hg(l)+O2(g)=2HgO (s); ΔH=-181.6kJ·mol-1则反应Zn (s) +HgO(s)=ZnO (s) +Hg(l)的ΔH为( )A.+519.4kJ·mol-1 B.+259.7 kJ·mol-1 ...
问题详情:己知:2Zn (s)+O2(g)=2ZnO (s); ΔH=-701.0kJ·mol-12Hg(l)+O2(g)=2HgO (s); ΔH=-181.6kJ·mol-1则反应Zn (s) +HgO(s)=ZnO (s) +Hg(l)的ΔH为( )A.+519.4kJ·mol-1 B.+259.7 kJ·mol-1 ...