高一化学计算题(要过程)

2024-11-07 15:33:59
推荐回答(3个)
回答1:

1、按照三步格式列出所有数据。
2、P平/P始=n平衡时气体/n开始时候气体
3、M什么时候的平均,就用什么时候的气体总质量除以气体总物质的量。
4、气体总质量不变,得出气体的总物质的量,设一转化量求出来后,再求转化率。
完。

回答2:

完全不知道这道题是什么情况。
说了保持压力不变,为什么还有p平/p始?不就是1.0吗?你确定原题目就是这个样子的?这道题有点儿乱七八糟的感觉。

回答3:

条件应该是保持温度和容积不变的条件下达到平衡啊 ,这样转化率80%氮气反应了0.8mol,则

2N2+3H2==2NH3
2 3 2
0.8 1.2 0.8 反应后有N2余下0.2mol H2余下1.8mol NH3生成0.8mol 此时气体总和为2.8mol≠3.6mol,题目条件有矛盾的

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