12CsO2g2COg的精選

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已知:C(s)+H2O(g)CO(g)+H2(g) ΔH=akJ·mol-12C(s)+O2(g)2CO(g)...

已知:C(s)+H2O(g)CO(g)+H2(g) ΔH=akJ·mol-12C(s)+O2(g)2CO(g)...

2021-05-20
問題詳情:已知:C(s)+H2O(g)CO(g)+H2(g)ΔH=akJ·mol-12C(s)+O2(g)2CO(g)ΔH=-220kJ·mol-1H—H、OO和O—H鍵的鍵能分別為436kJ·mol-1,496kJ·mol-1和462kJ·mol-1。則a為A.-332            B.-118   ...
已知C(s)+H2O(g)=CO(g)+H2(g)△H=akJ·mol-12C(s)+O2(g)=2CO(g)...

已知C(s)+H2O(g)=CO(g)+H2(g)△H=akJ·mol-12C(s)+O2(g)=2CO(g)...

2021-06-30
問題詳情:已知C(s)+H2O(g)=CO(g)+H2(g)△H=akJ·mol-12C(s)+O2(g)=2CO(g)△H=-220kJ·mol-1H-H、O=O、O-H的鍵能分別為436kJ·mol-1、496kJ·mol-1、462kJ·mol-1,則a為(   )A.-332               B.-118  ...