1mol N﹣H键断裂吸收的能量等于kJ.
Fe2O3(s)+3CO(g)═2Fe(s)+3CO2(g)△H=﹣24.8kJ/mol ①
Fe2O3(s)+ CO(g)═ Fe3O4(s)+ CO2(g)△H=﹣15.73kJ/mol ②
Fe3O4(s)+CO(g)═3FeO(s)+CO2(g)△H=+640.4kJ/mol ③
则CO还原FeO的热化学方程式为CO(g)+FeO(s)═Fe(s)+CO2(g)△H=kJ/mol.
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