① 太阳光催化分解水制氢:2H2O(1)=2H2(g)+O2(g) △H1= +571.6kJ/mol
② 焦炭与水反应制氢:C(s)+H2O(g)=CO(g)+H2(g) △H2=+131.3kJ/mol
③甲烷与水反应制氢:CH4(g)+H2O(g)= CO(g)+3H2(g) △H3=+206.1kJ/mol
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