摘要:11.已知下列热化学方程式: Fe2O3+3CO2(g) △H=-25kJ/mol 2 Fe3O4(s)+CO2(g) = 3 Fe2O3 △H=+47kJ/mol Fe3O4+ CO2(g) △H=+19kJ/mol 则反应FeO+ CO2(g) 的△H= ( ) A.-22 kJ/mol B.+11 kJ/mol C.-11 kJ/mol D.+22 kJ/mol

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