题目

在一定温度下，将气体X和气体Y各0.16 mol充入10 L恒容密闭容器中，发生反应：X(g)+Y(g) ⇌ 2Z(g)  △H<0，一段时间后达到平衡。反应过程中测定的数据如下表： 下列说法不正确的是     (     ) A．该温度下此反应的平衡常数K=1.44 B．其他条件不变，升高温度，反应达到新平衡前(逆)<  (正) C．反应前2 min的平均速率v (Z)=4.0×10-3mol／(L·min) D．其他条件不变，再充入0.2 mol Z，平衡时X的体积分数不变英翻汉1. My parents and I are going to Shanghai for the weekend. __________________________________________________2. How are you going? Will you go by air?__________________________________________________3. The train leaves Beijing in the evening and arrives in Shanghai the following morning.__________________________________________________4. I enjoy traveling by train. It’ll be very exciting.__________________________________________________