有關2CsO2g的精選大全

已知①2C(s)+O2(g)=2CO(g);△H=-221.0kJ·mol-1②2H2(g)+O2(g)=2H...
問題詳情:已知①2C(s)+O2(g)=2CO(g);△H=-221.0kJ·mol-1②2H2(g)+O2(g)=2H2O(g);△H=-483.6kJ·mol-1,則製備水煤氣的反應C(s)+H2O(g)=CO(g)+H2(g);△H為  A.+262.6kJ·mol—1            B.-131.3kJ·mol-1 C.-352.3kJ·m...
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