关于12CsO2g2COg的百科

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

• 问题详情：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的键能分别为436kJ·mol－1、496kJ·mol－1、462kJ·mol－1，则a为（   ）A．-332               B．-118              C．+350           ...
• 2021-06-3019943

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

• 问题详情：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键的键能分别为436kJ·mol-1,496kJ·mol-1和462kJ·mol-1。则a为A.-332            B.-118            C.+350            D.+...
• 2021-05-2028905