Question

CaCO3(s)2H2O(l));的他H=-517.6kJ/mol

Answer 1

2..CO2(g====CO(g)+1/2O2(g); 的他H=283kJ/mol

C(s)+O2(g)====CO2(g));的他H=-393.5kJ/mol

加起来就可以得到C(s)+1/2O2(g）====CO(g）；的他H=-110.5kJ/mol