.已知2Mg(s) O2(g)==2MgO(s)的ΔH0=-1203KJmol-1,则MgO== Mg O2的.已知2Mg(s)+O2(g)==2MgO(s)的ΔH0=-1203KJmol-1,则MgO== Mg+ 1/2O2的ΔH0=______KJmol-1.

问题描述:

.已知2Mg(s) O2(g)==2MgO(s)的ΔH0=-1203KJmol-1,则MgO== Mg O2的
.已知2Mg(s)+O2(g)==2MgO(s)的ΔH0=-1203KJmol-1,则MgO== Mg+ 1/2O2的
ΔH0=______KJmol-1.

+601.5
左右两边倒过来再除2即可