在密闭容器中,反应2X(g)+Y(g)⇌3Z(g)达到平衡后,若将容器体

在密闭容器中,反应2Xg+Yg)⇌3Zg)达到平衡后,若将容器体积缩小一半,对反应产生的影响是(  )

Av(正)减小,v(逆)增大   Bv(正)增大,v(逆)减小

Cv(正)v(逆)都减小 Dv(正)v(逆)都增大

答案

【考点】CA:化学反应速率的影响因素.

【分析】其它条件不变,将容器体积缩小一半,各组分的浓度变大,浓度越大反应速率发越快,由此分析解答.

【解答】解:其它条件不变,将容器体积缩小一半,各组分的浓度变大,浓度越大反应速率发越快,正、逆反应速率都加快,故选D

 

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