急死了 (6 17:24:12)
来源:学生作业帮 编辑:作业帮 分类:化学作业 时间:2024/10/05 00:59:04
急死了 (6 17:24:12)
CuO→CuSO4____________________________________________
写出能实现下列转化的化学方程式:
Cu(OH)2 → CuCl2 :_________________________________________
CaCO3 →CO2 :____________________________________________
H2O→H2 :_________________________________________________
Zn→H2 :__________________________________________________
CuO→CuSO4____________________________________________
写出能实现下列转化的化学方程式:
Cu(OH)2 → CuCl2 :_________________________________________
CaCO3 →CO2 :____________________________________________
H2O→H2 :_________________________________________________
Zn→H2 :__________________________________________________
1. 加H2SO4
2.加HCl
3.加HCl
4.直接条件通电
5.加HCl
2.加HCl
3.加HCl
4.直接条件通电
5.加HCl