H2341kJ的精选

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           B. −627.6kJ...

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           B. −627.6kJ...