摘要:10.已知:Fe2O3(s) + C(s) = CO2 ΔΗ=234.1 kJ·mol-1 C(s) + O2(g) = CO2(g) ΔΗ=-393.5 kJ·mol-1 则2 Fe(s)+ O2(g) = Fe2O3(s) 的ΔΗ 是 A.-824.4 kJ·mol-1 B.-627.6 kJ·mol-1 C.-744.7 kJ·mol-1 D.-169.4 kJ·mol-1

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