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题型:单选题 题类:常考题 难易度:普通
2015-2016学年黑龙江省大庆市铁人中学高一下学期期中化学试卷
①C(s)+O2(g)=CO2(g)△H1=﹣393.5kJ•mol﹣1;
②H2(g)+ O2(g)=H2O(g)△H2=﹣242.0kJ•mol﹣1;
③CO(g)+ O2(g)=CO2(g)△H3=﹣283.0kJ•mol﹣1;
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