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题型:单选题 题类:常考题 难易度:普通
天津市武清区2018-2019学年高二上学期化学期中考试试卷
②C(s)+O2(g)=CO2(g)△H2=﹣393.5kJ/mol
③2H2(g)+O2(g)=2H2O(l)△H3=﹣285.8kJ/mol
①2H2(g)+O2(g)=2H2O(l) ΔH1=-571.8 kJ·mol-1
②CH3OH(g)+1/2O2(g)=CO2(g)+2H2(g) ΔH2=-192.9 kJ·mol-1
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