1. Na3PO KOH → 3 NaOH + K3PO4
Double Displacement
2) MgCl2 + Li2CO3 → MgCO LiCl
3) C6H O2 → 6 CO H2O
Combustion

2. 4) Pb + FeSO4 → PbSO4 + Fe Single Displacement 5) CaCO3 → CaO + CO2
Decomposition
6) 4 P O2 → 2 P2 O3
Combination

3. 7) 2 RbNO3 + BeF2 → Be(NO3)2 + 2 RbF
Double Displacment
8) 2 AgNO Cu → 3 Cu(NO3) Ag
Single Displacement
9) C3H6O O2 → 3 CO H2O
Combustion

4. 10) 2 C5H Fe → Fe(C5H5)2
Combination
11) SeCl O2 → SeO Cl2
Single Displacement
12) 2 MgI2 + Mn(SO3)2 → 2 MgSO3 + MnI4
Double Displacement

5. 13) O3 → O O2
Decomposition
14) 2 NO2 → 2 O N2

6. Iron(II) nitrate Fe(NO3)2
Magnesium chloride MgCl2
Sodium carbonate Na2CO3
Zirconium (IV) sulfate Zr(SO4)2
Tungsten (II) phosphide W3P2

7. Copper (I) phosphate Cu3(PO4)
Sodium sulfide Na2S
Ammonium carbonate (NH4)2CO3
Mercury (II) iodide HgI2
Iron (III) nitrate Fe(NO3)3

8. Solid sodium cyanide is added to liquid water to produce hydrogen cyanide gas and sodium hydroxide.
NaCN + H2O → HCN + Na(OH)
2. Solutions of lead (II) nitrate and potassium carbonate are mixed to produce lead (II) carbonate precipitate and potassium nitrate.
Pb(NO3)2 + K2CO3 → PbCO3 + 2 KNO3

9. 3. Liquid ethanol is burned in oxygen gas
3. Liquid ethanol is burned in oxygen gas. The products are carbon dioxide gas and water vapor.
C2H5OH + 3 O2 → 2 CO H2O
4. Solid copper (II) sulfide is heated in oxygen gas to produce solid copper (II) oxide and sulfur dioxide gas.
2 CuS + 3 O2 → 2 CuO SO2

10. 5. Solid potassium chlorate is heated to produce oxygen gas and potassium chloride.
2 KClO3 → 3 O KCl
6. Sodium metal is added to water to produce aqueous sodium hydroxide and hydrogen gas.
2 Na H2O → 2 Na(OH) + H2

11. 7. Lead pellets are dropped into sulfuric acid to produce lead (II) sulfate precipitate and hydrogen gas.
Pb + H2SO4 → PbSO H2
8. Hot magnesium metal is sprayed with water to produce solid magnesium hydroxide and hydrogen gas.
Mg H2O → Mg(OH) 2 + H2

12. 9. Solutions of ammonium phosphate and zinc nitrate are mixed
9. Solutions of ammonium phosphate and zinc nitrate are mixed. Zinc phosphate precipitates but ammonium nitrate remains dissolved.
2 (NH4)3PO4 + 3 Zn(NO3)2 → Zn3(PO4)2 + 6 NH4NO3
10. Solid calcium nitride reacts with water to produce nitrogen trihydride an solid calcium hydroxide.
Ca3N H2O → 2 NH Ca(OH)2