将BaO2放入密闭真空容器中，反应2BaO2（s）═2BaO（s）+O2（g）达到平衡，保持温度不变，缩小容器容积，体系重新达到平衡，下列说法正确的是_刷题宝

题干

将BaO₂放入密闭真空容器中，反应2BaO₂（s）═2BaO（s）+O₂（g）达到平衡，保持温度不变，缩小容器容积，体系重新达到平衡，下列说法正确的是（）

A：平衡常数减小

B：BaO量不变

C：氧气压强不变

D：BaO₂量减少

上一题下一题 0.0难度选择题更新时间:2014-03-06 10:17:00

答案(点此获取答案解析）

C

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