cân bằng các PTHH sau đây và viết tên loại chất của các chất tương ứng
1).....CuO +....HCl ---->.....CuCl2 +....H2O
--->...................................................
2)....CO2 +......NaOH---->......Na2CO3 +.....H2O
---->.....................................................
3).....K2O +.....H2O----->.......KOH
.........................................................
4)....Cu(OH)2 ---to-->.....CuO + ......H2O
........................................................
5)......SO2 + .....H2O ----->.......H2SO3
.............................................................
6).....Mg(OH)2 +.......H2SO4----->...MgSO4 +....H2O
.........................................
7)......CuSO4 +......NaOH --->....Cu(OH)2 +....Na2SO4
..........................................................
8)....AgNO3 +......HCl----> ......AgCl +......HNO3
.................................................
9)......H2SO4 +.....ZnO ----->.....ZnSO4 +.....H2O
1).....CuO +.2.HCl ---->.....CuCl2 +....H2O
2)....CO2 +....2NaOH---->......Na2CO3 +.....H2O
---->.....................................................
3).....K2O +.....H2O----->...2..KOH
.........................................................
4)....Cu(OH)2 ---to-->.....CuO + ......H2O
........................................................
5)......SO2 + .....H2O ----->.......H2SO3
.............................................................
6).....Mg(OH)2 +.......H2SO4----->...MgSO4 +.2H2O
.........................................
7)......CuSO4 +..2..NaOH --->....Cu(OH)2 +....Na2SO4
..........................................................
8)....AgNO3 +......HCl----> ......AgCl +......HNO3
.................................................
9)......H2SO4 +.....ZnO ----->.....ZnSO4 +.....H2O
Tất cả các chất trên đều là hợp chất
1)
CuO+2HCl\(\rightarrow\)CuCl2+H2O
oxit bazo-axit-muối-nước
2)
CO2+2NaOH\(\rightarrow\)Na2CO3+H2O
oxit axit-bazo-muối-nước
3)
K2O+H2O\(\rightarrow\)2KOH
oxit bazo-nước-bazo
4)
Cu(OH)2\(\overset{t^0}{\rightarrow}\)CuO+H2O
bazo không tan-oxit bazo-nước
5)
SO2+H2O\(\rightarrow\)H2SO3
oxit axit-nước-axit
6)
Mg(OH)2+H2SO4\(\rightarrow\)MgSO4+2H2O
bazo không tan-axit-muối-nước
7)
CuSO4+2NaOH\(\rightarrow\)Cu(OH)2+Na2SO4
muối-bazo-bazo không tan-muối
8)
AgNO3+HCl\(\rightarrow\)AgCl+HNO3
muối-axit-muối-axit
9)
H2SO4+ZnO\(\rightarrow\)ZnSO4+H2O
axit-oxit lưỡng tính-muối-nước