Chemical Reactions Review
Part 1: Write and balance the equations for the following reactions:
Oxidation-Reduction Reactions.
Synthesis
1. Ammonia gas (NH3) reacts with carbonic acid to form solid ammonium
carbonate.
2. Calcium metal reacts with chlorine gas.
3. Lithium metal reacts with oxygen gas.
4. Barium metal reacts with sulfur.
Decomposition
1. Solid potassium chlorate decomposes to give solid potassium chloride and
oxygen gas.
2. Solid calcium carbonate decomposes to give solid calcium oxide and carbon
dioxide gas.
3. Solid iron (III) oxide decomposes.
4. Solid nitrogen triiodide decomposes.
Combustion
1. Methane gas (CH4) burns in excess oxygen.
2. Liquid heptane (C7H14) burns in excess oxygen.
Single displacement
1. Potassium metal reacts with water to form potassium hydroxide solution and
hydrogen gas.
2. Strontium metal reacts with aqueous chromium (III) chloride.
3. Fluorine gas reacts with aluminum chloride solution.
4. Zinc metal reacts with phosphoric acid.
Double Displacement Reactions
Precipitation
1. Aqueous sodium sulfate reacts with aqueous calcium bromide.
2. Aqueous lead (IV) nitrate reacts with aqueous potassium sulfide.
3. Aqueous silver acetate reacts with aqueous iron (III) iodide.
4. Aqueous sodium phosphate reacts with aqueous lead (II) chloride
Acid-Base
1. Nitric acid reacts with aqueous barium hydroxide.
2. Phosphoric acid reacts with aqueous sodium hydroxide.
3. Sulfuric acid reacts with aqueous ammonium hydroxide.
4. Hydrochloric acid reacts with aqueous potassium carbonate
Part 2: Identify the type of reaction for the following reactions.
1. 2Li (s) + 2 H2O (l)  2 LiOH (aq) + H2 (g)
2. 2 H2 (g) + O2 (g)  2 H2O (l)
3. 3 Ag2SO4(aq) + 2AlCl3 (aq)  6 AgCl (s) + Al2(SO4)3 (aq)
4. 2 C2H6 (g) + 7 O2 (g)  6 H2O (g) + 4 CO2 (g)
5. Zn (s) + 2AgNO3 (aq)  Zn(NO3)2 (aq) + 2 Ag (s)
6. 2 AgO (s)  4 Ag (s) + O2 (g)
7. 2 HCl (aq) + Ca(OH)2 (aq)  CaCl2 (aq) + 2 H2O (l)
8. Cl2 (g) + 2 KI (aq)  2 KCl (aq) + I2 (g)
Part 3: Predict the products of these reactions and then write and balance the
equations.
5. Liquid hexane (C6H14) burns in excess oxygen.
6. Lithium metal reacts with oxygen gas.
7. Aqueous lead (IV) nitrate reacts with aqueous potassium sulfide.
8. Chromium metal reacts with phosphoric acid.
9. Sulfuric acid reacts with ammonium hydroxide.
10. Solid nitrogen triiodide decomposes.
Part 4: Determine whether a reaction will take place or not. If the reaction will not
take place, write “No Reaction”. If it will, write “Yes”. You do not need to write a
balanced equation. Hint use solubility rules and an activity chart.
1. cobalt metal + nitric acid 
2. Gold metal + copper (II) chloride solution 
3. Copper (II) bromide + Iron (III) nitrate 
4. potassium acetate solution and silver nitrate solution
5. Aluminum + zinc sulfate 
6. Barium chloride + lithium hydroxide 
7. Magnesium sulfate + silver nitrate 
8. Bromine + sodium chloride solution 
Part 4: Classify the following reactions then write a balanced equation for each one. If
the reaction will not take place, write “No Reaction”.
1. Magnesium metal + nitric acid 
2. Strontium metal + liquid bromine 
3. Calcium metal + water 
4. Aluminum oxide 
5. Copper metal + zinc chlorate solution 
6. Barium hydroxide solution + hydrochloric acid 
7. Butane gas (C4H10) +oxygen gas 
8. Copper (II) bromide + ammonium hydroxide 
9. Sodium iodide 
10. Magnesium + oxygen 
11. Sodium acetate solution and lead (II) sulfate solution
12. Aluminum + lead (II) nitrate 
13. Sulfuric acid + lithium hydroxide 
14. Magnesium sulfate + silver nitrate 
Part 5: For the following reactions determine the products, if any, by using the
solubility rules. Then write the formula equation, the complete ionic equation, and
the net ionic equation.
1. Aqueous potassium hydroxide is mixed with aqueous iron (III) nitrate
2. Aqueous silver nitrate is added to aqueous sodium chromate
3. Aqueous nickel nitrate is added to aqueous potassium carbonate
4. Aqueous copper nitrate is added to aqueous sodium chloride
5. Acetic acid is added to aqueous sodium hydrogen carbonate
6. Hydrochloric acid is added to aqueous sodium sulfite