试题 试卷
题型:单选题 题类:常考题 难易度:容易
吉林省白山市第十九中学2018-2019学年高一下学期化学期中考试试卷
①CO(g)+2H2(g) CH3OH(g) ΔH1=-90.1kJ·mol-1
②CO2(g)+3H2(g) CH3OH(g)+H2O(g) ΔH2=-49.0kJ·mol-1
③CO2(g)+H2(g) CO(g)+H2O(g) ΔH3=+41.1kJ·mol-1
④2CH3OH(g) CH3OCH3(g)+H2O(g) ΔH4=-24.5kJ·mol-1。试回答下列问题:
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