YB45包装机当八号轮出口烟包变形超出误差允许范围会导致机器显示“()”故障。 发布时间:2018-10-07 06:43 │ 来源:www.tikuol.com 题型:填空题 问题: YB45包装机当八号轮出口烟包变形超出误差允许范围会导致机器显示“()”故障。
题型:填空题 Among all these flowers _____ a kind of red rose, which was given by my friend. [ ]A. is included B. include C. were included D. included 查看答案
题型:填空题 某温度下,对于反应N2(g)+3H2(g) 2NH3(g) ΔH=-92.4kJ/mol。N2的平衡转化率(α)与体系总压强(p)的关系如图所示。下列说法正确的是( )A.将1 mol氮气、3 mol氢气,置于1 L密闭容器中发生反应,放出的热量为92.4 kJB.平衡状态由A变到B时,平衡常数K(A)<K(B)C.上述反应在达到平衡后,增大压强,H2的转化率增大D.升高温度,平衡向逆反应方向移动,说明逆反应速率增大,正反应速率减小 查看答案