已知H2(g)、C2H4(g)和C2H5OH(1)的燃烧热分别是-285.8kJ·mlo-1、-1411.0kJ·mlo-1和-1366.8kJ,则由C2H4(g)和H2O(I)反应生成C2H5OH(_刷题宝

题干

已知H₂(g)、C₂H₄(g)和C₂H₅OH(1)的燃烧热分别是-285.8kJ·mlo^-1^、-1411.0kJ·mlo^-1和-1366.8kJ,则由C₂H₄(g)和H₂O(I)反应生成C₂H₅OH(I)的△H为

A：-44.2kJ·mol^-1

B：+44.2kJ·mlo^-1

C：-330kJ·mol^-1

D：+330kJ·mlo^-1

上一题下一题 0.0难度选择题更新时间:2019-02-22 11:01:03

答案(点此获取答案解析）

A

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