已知:Zn(s)+(1/2)O2=ZnOΔcHm=351.5kJ·mol-1()Hg(l)+(1/2)O2=HgOΔcHm=90.8kJ·mol-1()因此Zn+HgO=ZnO+Hg的ΔrHm是
已知:Zn(s)+(1/2)O2=ZnOΔcHm=351.5kJ·mol-1()Hg(l)+(1/2)O2=HgOΔcHm=90.8kJ·mol-1()因此Zn+HgO=ZnO+Hg的ΔrHm是
A.442.2kJ·mol-1
B.260.7kJ·mol-1
C.-62.3kJ·mol-1
D.-442.2kJ·mol-1
正确答案:260.7kJ·mol-1
Tag:物理化学
时间:2022-01-03 21:16:54