已知:Fe2O3(s)+3/2C(s)= 3/2CO2(g)+2Fe(s) △H =+234.1kJ·mol-1C(s)+O2(g)=CO2(g) △H=-39
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已知:Fe2O3(s)+3/2C(s)= 3/2CO2(g)+2Fe(s) △H =+234.1kJ·mol-1 C(s)+O2(g)=CO2(g) △H=-393.5kJ·mol-1 则2Fe(s)+3/2O2(g)=Fe2O3(s)的△H是 |
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A.-824.4kJ·mol-1 B.-627.6kJ·mol-1 C.-744.7kJ·mol-1 D.-169.4kJ·mol-1 |
答案
A |
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