试题 试卷
题型:综合题 题类:常考题 难易度:普通
2016-2017学年湖北省四地七校高二上学期期中化学试卷
②若把“恒温恒压下”改为“恒温恒容下”反应,达平衡时放出热量Q kJ(填“大于”、“小于”或“等于”).
①CO(g)+2H2(g)⇌CH3OH(g)△H1=﹣90.7kJ•mol﹣1
②2CH3OH(g)⇌CH3OCH3(g)+H2O(g)△H2=﹣23.5kJ•mol﹣1
③CO(g)+H2O(g)⇌CO2(g)+H2(g)△H3=﹣41.2kJ•mol﹣1
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