有关2210kJ的精选大全

已知①2C(s)+O2(g)===2CO(g)   △H=-221.0kJ·mol-1            ...
问题详情:已知①2C(s)+O2(g)===2CO(g)   △H=-221.0kJ·mol-1                   ②2H2(g)+O2(g)===2H2O(g)  △H=-483.6kJ·mol-1则反应C(s)+H2O(g)===CO(g)+H2(g)的△H为           ...
已知:①2C(s)+O2(g)2CO(g) ΔH=-221.0kJ·mol-1;②2H2(g)+O2(g)2H...
问题详情:已知:①2C(s)+O2(g)2CO(g)ΔH=-221.0kJ·mol-1;②2H2(g)+O2(g)2H2O(g)ΔH=-483.6kJ·mol-1。则制备水煤气的反应C(s)+H2O(g)CO(g)+H2(g)的ΔH为()A.+262.6kJ·mol-1B.-131.3kJ·mol-1C.-352.3kJ·mol-1D.+131...
已知①2C(s)+O2(g)2CO(g) ΔH=-221.0kJ·mol-1        ②2H2(g)...
问题详情:已知①2C(s)+O2(g)2CO(g)ΔH=-221.0kJ·mol-1      ②2H2(g)+O2(g)2H2O(g)ΔH=-483.6kJ·mol-1则制备水煤气的反应C(s)+H2O(g)CO(g)+H2(g)ΔH为()A.+262.6kJ·mol-1           B.-13...
已知:①2C(s)+O2(g)===2CO(g) ΔH=-221.0kJ·mol-1;②2H2(g)+O2(g...
问题详情:已知:①2C(s)+O2(g)===2CO(g)ΔH=-221.0kJ·mol-1;②2H2(g)+O2(g)===2H2O(g)ΔH=-483.6kJ·mol-1。则制备水煤气的反应C(s)+H2O(g)===CO(g)+H2(g)的ΔH为()A.+262.6kJ·mol-1B.-131.3kJ·mol-1     C.-352.3kJ·mol-1   D...
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