试题 试卷
题型:综合题 题类:常考题 难易度:普通
2016-2017学年内蒙古呼和浩特市回民中学高二上学期期中化学试卷
①H2(g)+ O2(g)═H2O(l)△H=﹣285.8kJ/mol
②H2(g)+ O2(g)═H2O(g)△H=﹣241.8kJ/mol
③C(s)+ O2(g)═CO(g)△H=﹣110.5kJ/mol
④C(s)+O2(g)═CO2(g)△H=﹣393.5kJ/mol
回答下列问题:
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;
试回答:
①CO(g)+2H2(g) CH3OH(g) △H1;
②CO2(g)+3H2(g) CH3OH(g)+H2O(g) △H=-58kJ/mol;
③CO2(g)+H2(g) CO(g)+H2O(g) △H=+41k J/ mol。
试题篮