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已知①2C(s)+O2(g)=2CO(g) ΔH=-221.0 kJ·mol-1 ②2H2(g)+O2(g) =2H2O(g) ΔH=-483.6 kJ·mol-1 则制备水煤气的反应C(s)+H2O...
题目内容:
已知①2C(s)+O2(g)=2CO(g) ΔH=-221.0 kJ·mol-1
②2H2(g)+O2(g) =2H2O(g) ΔH=-483.6 kJ·mol-1
则制备水煤气的反应C(s)+H2O(g) =CO(g)+H2(g) ΔH为( )
A.+262.6 kJ·mol-1 B.-131.3 kJ·mol-1
C.-352.3 kJ·mol-1 D.+131.3 kJ·mol-1
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