Напишите уравнения следующих реакций
Назовите полученные вещества :
Zn -> ZnO -> ZnCl2 -> Zn(OH)2 -> ZnO
P-> P2O5 -> H3PO4 -> K3PO4 -> Ca3(PO4)2
N2 -> NO2 -> Ba(NO3)2 -> BaSO4
S -> FeS-> H2S-> SO2 -> Na2SO3 -> NiSO3
Cl2 -> HCl-> CuCl2 -> AgCl
Назовите полученные вещества :
Zn -> ZnO -> ZnCl2 -> Zn(OH)2 -> ZnO
P-> P2O5 -> H3PO4 -> K3PO4 -> Ca3(PO4)2
N2 -> NO2 -> Ba(NO3)2 -> BaSO4
S -> FeS-> H2S-> SO2 -> Na2SO3 -> NiSO3
Cl2 -> HCl-> CuCl2 -> AgCl
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Answers & Comments
ZnO+2HCl=ZnCl2+H2O
ZnCl2+2NaOH=2NaCl+Zn(OH)2
Zn(OH)2=ZnO+H2O
..............................
4P+5O2=2P2O5
P2O5+3H2O=2H3PO4
2H3Po4+3K2O=2K3PO4+3H2O
2K3Po4+3CaCl2=Ca3(PO4)2+6KCl
.................................................
N2+2O2=2NO2
a. 4NO2+O2=2N2O5
b.N2O5+BaO=Ba(NO3)2
Ba(NO3)2+H2SO4=BaSO4+2HNO3
..................................
S+Fe=FeS
FeS+2HCl=FeCl2+H2S
2H2S+3O2=2SO2+2H2O
SO2+Na2O=Na2SO3
Na2SO3+NiCl2=NiCO3+2NaCl
.................................
Cl+H2=2HCl
2HCl+CuO=CuCl2+H2O
CuCl2+2AgNO3=2AgCl+Cu(NO3)2