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eva3021
@eva3021
July 2021
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Срочно!
Помогите пожалуйста!!!!!!
Хим.Цепочки..(Со всеми стрелками и т.д. и т.п.)
Заранее спасибо!
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BaklazhanOvoshch
1)2Zn+O2--->2ZnO
2)ZnO+2HNO3
--->Zn(NO3)2+H2O
3)
Zn(NO3)2+2NaOH
--->Zn(OH)2+2NaNO3
4)Zn(OH)2(под температурой)
--->ZnO+H2O
5)
Zn(OH)2+2NaOH
--->Na2ZnO2+2H2O
6)4Na+O2
--->2Na2O
7)Na2O+H2O--->2NaOH
8)2Na+2H2O--->2NaOH+H2
9)Zn(OH)2+2NaOH
--->Na2ZnO2+2H2O
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Answers & Comments
2)ZnO+2HNO3--->Zn(NO3)2+H2O
3)Zn(NO3)2+2NaOH--->Zn(OH)2+2NaNO3
4)Zn(OH)2(под температурой)--->ZnO+H2O
5)Zn(OH)2+2NaOH--->Na2ZnO2+2H2O
6)4Na+O2--->2Na2O
7)Na2O+H2O--->2NaOH
8)2Na+2H2O--->2NaOH+H2
9)Zn(OH)2+2NaOH--->Na2ZnO2+2H2O