试题 试卷
题型:单选题 题类:常考题 难易度:普通
2015-2016学年吉林省吉林市毓文中学高一下学期期中化学试卷(理科)
①CO(g)+2H2(g)⇌CH3OH(g)△H1
②CO2(g)+3H2(g)⇌CH3OH(g)+H2O(g)△H2
③CO2(g)+H2(g)⇌CO(g)+H2O(g)△H3
回答下列问题:
试题篮