①H2(g)+ O2(g)═H2O(l)△H=﹣285.8kJ•mol﹣1
②H2(g)+ O2(g)═H2O(g)△H=﹣241.8kJ•mol﹣1
③C(s)+ O2(g)═CO(g)△H=﹣110.5kJ•mol﹣1
④C(s)+O2(g)═CO2(g)△H=﹣393.5kJ•mol﹣1
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