试题 试卷
题型:单选题 题类:常考题 难易度:普通
2016-2017学年北京市海淀区高一下学期期中化学试卷
i.H2SO4(l)=SO3(g)+H2O(g)△H=+177kJ/mol
ii.SO3(g)分解.
2H2(g)+CO(g)⇌CH3OH(g)△H=﹣90.0kJ•mol﹣1①
2CH3OH(g)⇌CH3OCH3(g)+H2O(g)△H=﹣24.5kJ•mol﹣1②
CO(g)+H2O(g)⇌CO2(g)+H2(g)△H=﹣41.1kJ•mol﹣1③
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