题型:判断题 已知Zn(s)+1/2O(g)=ZnO(s)与Hg(l)+1/2O(g)=HgO(s,红)的∆rHθm分别为-351.5kJ·mol-1和-90.8kJ·mol-1,则Zn(s)+HgO(s,红)=ZnO(s)+Hg(l)的∆fHθm为()kJ·mol-1。A.442.3B.-442.3C.260.7D.-260.7 查看答案