Worksheet: Chemical Equations Review

Worksheet: Chemical Equations Review
Name:_________________
Date:______
Period:_____
Sections 1: Identify the type of reaction
For the following reactions, indicate whether the following are examples of synthesis, decomposition,
combustion, single displacement, or double displacement.
1. Na 3 PO 4 + 3KOH 3 NaOH + K 3 PO 4 ____________________________________________
2. MgCl 2 +Li 2 CO 3 MgCO 3 + 2 LiCl ______________________________________________
3. C 6 H 12 + 9O 2 6CO 2 +6 H 2 O __________________________________________________
4. Pb + FeSO 4 PbSO 4 + Fe ___________________________________________________
5. CaCO 3 CaO + CO 2 _______________________________________________________
6. P 4 + 3O 2 2P 2 O 3 __________________________________________________________
7. 2RbNO 3 + BeF 2 Be(NO 3 ) 2 + 2RbF ___________________________________________
8. 2AgNO 3 + Cu Cu(NO 3 ) 2 + 2Ag _____________________________________________
9. C 3 H 6 O + 4O 2 3CO 2 + 3 H 2 O ________________________________________________
10. 2C 5 H 5 + Fe Fe(C 5 H 5 ) 2 _____________________________________________________
11. SeCl 6 + O 2 SeO 2 + 3Cl 2 ___________________________________________________
12. 2 Mgl 2 + Mn(SO 3 ) 2 2MgSO 3 + MnI 4 __________________________________________
13. O 3 O + O 2 ______________________________________________________________
14. 2NO 2 2O 2 + N 2 __________________________________________________________
Section 2: Practicing Equation Balancing
Balance each of the following equations.
1. __C 6 H 6 + __O 2 __H 2 O + __CO 2
2. __NaI + __Pb(SO 4 ) 2 __PbI 4 + __Na 2 SO 4
3. __NH 3 + __O 2 __NO + __H 2 O
4. __Fe(OH) 3 __Fe 2 O 3 + __H 2 O
5. __HNO 3 + __Mg(OH) 2 __H 2 O + __ Mg(NO 3 ) 2

6. __H 3 PO 4 + __NaBr __HBr + __Na 3 PO 4
7. __C + __H 2 __C 3 H 8
8. __CaO + __MnI 4 __MnO 2 + __CaI 2
9. __Fe 2 O 3 + __H 2 O __Fe(OH) 3
10. __C 2 H 2 + __H 2 __C 2 H 6
11. __VF 5 + __HI __V 2 I 10 + __HF
12. __OsO 4 + __PtCl 4 __PtO 2 + __OsCl 8
13. __CF 4 + __Br 2 __CBr 4 + __F 2
14. __Hg 2 I 2 + __O 2 __Hg 2 O + __I 2
Section 3: Prediction the products of chemical reactions
Predict the products of the following reactions, identify the type of reactions, and balance the
equation.
1. __Ag + __CuSO 4
Type:___________________
2. __NaI + __CaCl 2
Type: __________________
3. __O 2 + __H 2
Type: __________________
4. __AgNO 2 + __BaSO 4
Type: __________________
5. __HCN + __CuSO 4
Type:____________________

6. __H 2 O + __AgI
Type: ____________________
7. __LiBr + __Co(SO 3 ) 2
Type: ____________________
8. __LiNO 3 + __Ag
Type: ____________________
9. __AlCl 3 + __Cs
Type: ____________________
10. __CH 3 COOH + __O 2
Type: ___________________
11. __C 4 H 8 + __O 2
Type: ____________________
12. __KCl + __Mg(OH) 2
Type: ____________________
13. __Zn + __ Au(NO 2 ) 2
Type: ____________________
14. __Na 2 O
Type: ____________________
Section 4 Writing and balancing chemical equations
Write the balanced chemical equation.
1. Solid lithium and liquid water react to form lithium hydroxide in aqueous solution and hydrogen
gas.
2. Solid copper (II) sulfide and oxygen gas produce solid copper (II) oxide and sulfur dioxide gas.

3. Sulfur dioxide gas and oxygen gas combine to form sulfur trioxide gas.
4. Water vapor reacts with potassium metal to produce hydrogen and aqueous potassium
hydroxide.
5. Solid iron, liquid water, and oxygen gas combine to produce iron (II) hydroxide.
6. Tetraphosphorus decoxide + water Hydrogen phosphate
7. Sodium hydroxide + Chlorine Sodium chloride + Sodium hypochlorite + water
8. Potassium chlorate Potassium perchlorate + Potassium chloride