已知热化学方程式：2SO2(g)＋O2(g)2SO3(g)；ΔH＝－Q kJ·mol－1，(Q＞0)。下列说法正确的是_刷题宝

题干

已知热化学方程式：2SO₂(g)＋O₂(g)

2SO₃(g)；ΔH＝－Q kJ·mol^－¹，(Q＞0)。下列说法正确的是

A：相同条件下，2 mol SO₂(g)和1 mol O₂(g)所具有的能量小于2 mol SO₃(g)所具有的能量

B：将2 mol SO₂(g)和1 mol O₂(g)置于一密闭容器中充分反应后，放出热量为Q kJ

C：增大压强或升高温度，该平衡都向逆反应方向移动

D：如将一定量SO₂(g)和O₂(g)置于某密闭容器中充分反应放热Q kJ，则此过程中有2 mol SO₂(g)被氧化

上一题下一题 0.0难度选择题更新时间:2016-03-03 12:40:04

答案(点此获取答案解析）

D

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