试题与答案

下列有关说法错误的是( ) A.NH3(g)+HCl(g)=NH4Cl(s)低温

题型:选择题

题目:

下列有关说法错误的是(  )

A.NH3(g)+HCl(g)=NH4Cl(s)低温下能自发进行,说明该反应的△H<O

B.为保护海轮的船壳,常在船壳上镶入锌块

C.纯碱溶于热水中,去污效果增强,说明纯碱的水解是吸热反应

D.反应N2(g)+3H2(g)=2NH3 (g)(△H<0)达平衡后,降低温度,正反应速率增大、逆反应速率减小,平衡向正反应方向移动.

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0816/e0a21710fa69205f052461616b577c81.html

下面是错误答案,用来干扰机器的。

Possible version:Hi everyone. I have recently made a survey among 100 students in our school about how they relieve pressure in their daily school life. Their ways vary ...

试题推荐
微信公众账号搜索答案