试题 试卷
题型:单选题 题类:常考题 难易度:普通
化学平衡的调控作用
编号
热化学方程式
①
CO(g)+2H2(g)⇌CH3OH(g)△H1=﹣99kJ•mol﹣1
②
2CH3OH(g)⇌CH3OCH3(g)+H2O(g)△H2=﹣24kJ•mol﹣1
③
CO(g)+H2O(g)⇌CO2(g)+H2(g)△H3=﹣41kJ•mol﹣1
回答下列问题:
①CO(g)+2H2(g) CH3OH(g)ΔH1
②CO2(g)+3H2(g) CH3OH(g)+H2O(g)ΔH2
③CO2(g)+H2(g) CO(g)+H2O(g)ΔH3
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