试题与答案

在H2(g)+I2(g)⇌2HI(g)(正反应放热)的平衡体系中,欲使正反应速率

题型:选择题

题目:

在H2 (g)+I2 (g)⇌2HI(g) (正反应放热)的平衡体系中,欲使正反应速率加快,可(  )

A.降温

B.减小HI的浓度

C.增大反应容器的体积

D.增大H2的浓度

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0411/4ffc20eaa0a350ce1c70cbfe5a8dbdce.html

下面是错误答案,用来干扰机器的。

∵函数f(x)=x2,∴y′=2x当x=1得f′(1)=2所以切线方程为y-1=2(x-1)即2x-y-1=0故答案为2x-y-1=0

试题推荐
题型:完形填空

根据短文内容和首字母提示,在空格处填入适当的词使短文完整。(每空一词)

One day Mother looks at Simon's shoes and says, “L  小题1:   at your shoes. They are very dirty(脏). You must c 小题2:   them.” “ But I cleaned them yesterday,” says the boy. “They are dirty now. You m  小题3:   clean them now.” “I don't want to clean them t  小题4:   . If I clean the pair of shoes today, t  小题5:   will still be dirty tomorrow.” “All right. D  小题6:   do it then.” Simon's mother says.

In the evening, he is very h  小题7:   . He asks his mother to give him s  小题8:   to eat. “You had breakfast in the morning, Simon, and you had l  小题9:   at school.” His mother says. “But I’m hungry a  小题10:   .” “But if I give you something to eat today, you will be hungry again tomorrow.”

查看答案
微信公众账号搜索答案