对于放热反应2H2(g)＋O2(g) = 2H2O(l)，下列说法正确的是（）_刷题宝

题干

对于放热反应2H₂(g)＋O₂(g) = 2H₂O(l)，下列说法正确的是（）

C：反应物H₂和O₂所具有的总能量等于产物H₂O所具有的总能量

A：产物H₂O所具有的总能量高于反应物H₂和O₂所具有的总能量

B：反应物H₂和O₂所具有的总能量高于产物H₂O所具有的总能量

D：反应物H₂和O₂比产物H₂O稳定

上一题下一题 0.0难度选择题更新时间:2018-08-25 04:40:48

答案(点此获取答案解析）

B

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