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Worksheet 20: Chemical equations . Topic 5

Set A: Types of chemical reactions Objective: To test your ability to determine types of
reaction from equation

Indicate the type of chemical reaction represented by each equation. Choose from the list below.
Synthesis, decomposition, single replacement, or double replacement.
1. Cl2 + NaI ------------- > NaCl + I2

2. HNO3 + LiOH ------------- > H2O + LiNO3

3. NaN3 ---------------- > Na + N2
Need help? Study Book pg 112 – 113 Set 23 - 24
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4. Ba(NO3)2 + K2SO4 -------------- > KNO3 + BaSO4
5. P4 + Cl2 ---------- > PCl3

6. Al + Fe3O2 -------------- > Al2O3 + F

7. NaClO3 ----------- > O2 + NaCl

8. BaO + SO3 ---------- > BaSO4

Set B :Understanding balanced equations Objective: To test your ability to interpret a balanced
equation

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In each balanced equation determine the reactants, products, mole ratio, and sums of all coefficients.

9. 3Fe + O2 ------------- > Fe3O4 Reactant:
Product:
Mole ratio of Fe to Fe3O4

Sums of all coefficients:

10. N2O5 + H2O -------- > 2HNO3 Reactant:
Product:
Mole ratio of N2O5 to H2O :
Sum of all coefficients:
Need help? Study Book pg 111 – 112 Set 20 - 22
11. 2 Al + 3CuSO4 ----- > Al2(SO4)3 + 3Cu Reactant :
Product:
Mole ratio of Copper sulfate to Copper :
Sum of all coefficients:

12. MnO2 + 4HCl ------- > MnCl2 + Cl2 + 2H2O Reactant:
Product:
Mole ratio of hydrochloric acid to water :
Sum of all coefficients:

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