544kJ的知识精选

 已知:2Fe(s)+O2(g)=2FeO(s)△H=-544kJ·mol-14Al(s)+3O2(g)=2A...
问题详情: 已知:2Fe(s)+O2(g)=2FeO(s)△H=-544kJ·mol-14Al(s)+3O2(g)=2Al2O3(s)△H=-3350kJ·mol-1则2Al(s)+3FeO(s)=Al2O3(s)+3Fe(s)的△H是A.-859kJ·mol-1B.+859kJ·mol-1C.-1403kJ·mol-1 D.-2491kJ·mol-1【回答】A【解析】根据盖...
已知:2Fe(s)+O2(g)=2FeO(s)△H=-544kJ·mol-14Al(s)+3O2(g)=2Al...
问题详情:已知:2Fe(s)+O2(g)=2FeO(s)△H=-544kJ·mol-14Al(s)+3O2(g)=2Al2O3(s)△H=-3350kJ·mol-1则2Al(s)+3FeO(s)=Al2O3(s)+3Fe(s)的△H是(   )A.-859kJ·mol-1                          B.+859kJ·mo...
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