2 Na+S = Na2S
2 H2O = 2 H2+O2
2 N2O = 2 N2+O2
2 Fe+3 Cl2 = 2 FeCl3
2 Zn+O2 = 2 ZnO
2 KCl+3 O2 = 2 KClO3
2 Fe2O3+3 C = 4 Fe+3 CO2
CaO+ 2 HBr = CaBr2+H2O
2 P+3 H2 = 2 PH3
Mg+2 HCl = MgCl2+H2
K2O+H2O = 2 KOH
1. Na+2S→NA2S
2. 2N2O→2N2+O2
3. 2Fe+3Cl2→2FeCl3
4. 2Zn+O2→2NnO
5. 2KClO3→2KCl+3O2
6. 2Fe2O3+3C→4Fe+3CO2
7.
8. Mg+2HCl→MgCl2+H2
9. K2O+H2O→2KOH
2 Na+S = Na2S
2 H2O = 2 H2+O2
2 N2O = 2 N2+O2
2 Fe+3 Cl2 = 2 FeCl3
2 Zn+O2 = 2 ZnO
2 KCl+3 O2 = 2 KClO3
2 Fe2O3+3 C = 4 Fe+3 CO2
CaO+ 2 HBr = CaBr2+H2O
2 P+3 H2 = 2 PH3
Mg+2 HCl = MgCl2+H2
K2O+H2O = 2 KOH
1. Na+2S→NA2S
2. 2N2O→2N2+O2
3. 2Fe+3Cl2→2FeCl3
4. 2Zn+O2→2NnO
5. 2KClO3→2KCl+3O2
6. 2Fe2O3+3C→4Fe+3CO2
7.
8. Mg+2HCl→MgCl2+H2
9. K2O+H2O→2KOH