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发表于:2020-10-11
问题详情:已知:Fe2O3(s)+3/2C(s)=3/2CO2(g)+2Fe(s) △H=+234.1kJ/mol; C(s)+O2(g)=CO2(g) △H=-393.5kJ/mol则2Fe(s)+3/2O2(g)=Fe2O3(s)的△H值是( )A...
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发表于:2019-06-27
问题详情:已知:Fe2O3(s)+3/2C(s)=3/2CO2(g)+2Fe(s)△H=234.1kJ·mol−1C(s)+O2(g)=CO2(g)△H=−393.5kJ·mol−1则2Fe(s)+3/2O2(g )=Fe2O3(s) 的△H是( )A. −824.4kJ·mol−1 ...
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发表于:2021-06-07
问题详情:已知:Fe2O3(s)+3/2C(s)=3/2CO2(g)+2Fe(s)△H=234.1kJ⋅mol−1C(s)+O2(g)=CO2(g)△H=−393.5kJ⋅mol−1则2Fe(s)+3/2O2(g )=Fe2O3(s) 的△H是( )A. −824.4kJ⋅mol−1 ...