SS2 Chemistry 1st Term

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SS One, SS Two & SS Three, First Term

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Week 1: 18-09-2023

Mass-Volume Relationship

SUB TOPICS:
A. Stoichiometry of reaction
B. Reaction involving gas volume
C. Stoichiometry of copper ion and zinc ion

NEW! Exam Questions. Click on
SS2 Biology 2nd Term to get started.

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Explain the concept of stoichiometry of a chemical reaction.
2 Calculate mass-volume of substances in hypothetical reactions.
3 ETC

Week 2: 25-09-2023

Acid–Base Titration

SUB TOPICS:
A. Definition and examples of acid-base titration
B. Molar solution
C. Calculation on volumetric analysis

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Identify strong and weak acids or bases.
2 Define standard solution.
3 ETC

Week 3: 02-10-2023

Chemical Reactions

SUB TOPICS:
A. Types of chemical reactions
B. Rate of chemical reactions
C. Rate curve

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Identify reactions and products of any chemical reactions.
2 State types of chemical reactions.
3 ETC

Week 4: 09-10-2023

Chemical Reactions (CONT'D)

SUB TOPICS:
A. Collision theory
B. Factors affecting rate of chemical reactions

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Explain collision theory with respect to reaction rate and time.
2 Describe the influence of the following on a chemical reaction rate: nature of reactions, temperature, pressure, etc.
PRACTICAL APPROACHES:
Carry out simple experiment to illustrate the effect of concentration using acidified KI solution, hydrogen peroxide and starch powder.

Week 5: 16-10-2023

Energy and Chemical Reactions

SUB TOPICS:
A. Heat content and heat of reaction
B. Exothermic and endothermic reactions
C. Energy relationship in exothermic and endothermic reactions
D. Heat of reaction and chemical bond

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Explain endothermic reaction and exothermic reaction.
2 Identify a reaction as either endothermic or exothermic.
3 Explain the concept of enthalpy change of a chemical reaction.
4 Draw the energy profile diagram for endothermic and exothermic reactions.
5 ETC

Week 6: 23-10-2023

Energy and Chemical Reactions (CONT'D)

SUB TOPICS:
A. Hess’s law and Haber cycle
B. Chemical thermodynamics
C. Conditions for spontaneity of a reaction

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Define Hess’s law.
2 Explain Haber cycle.
3 ETC

Week 7: 30-10-2023

SS2 Chemistry 1st Term Revision and Mid Term Test

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1. An element Z has a combining power of 3. Which of the following formulae is correct of its compounds? WAEC 2000, Q4

 
 
 
 

2. The type of chemical bond that exists between potassium and oxygen in potassium oxide is — WAEC 2000, Q6

 
 
 
 

3. Calculate the mass of ZnSO4 produced when excess of ZnCO3 is added to 50.0 cm3 of 4.00mol dm-3 H2SO4. The equation for the reaction is: WAEC 2001, Q45
ZnCO3 + H2SO4 –> ZnSO4 + CO2 + H2O
[ ZnSO4 = 161 9 mol-1 ]

 
 
 
 

4. Elements which belong to the same group in the Periodic Table are characterized by — WAEC 2001, Q5

 
 
 
 

5. Which of the following contains co-ordinate covalent bond? WAEC 2000, Q7

 
 
 
 

Question 1 of 5

Week 8: 06-11-2023

Chemical Equilibrium (CONT'D)

SUB TOPICS:
A. Equilibrium constant, free energy and electron potential
B. Equilibrium in practice

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Explain the meaning of equilibrium constant Kc.
2 State the relationship between equilibrium constant Kc, free energy and electrode potential.
3 Explain Le Charteliers principle.
4 Write equilibrium equation and constant Kc of a reversible reaction.
5 ETC

Week 9: 13-11-2023

Water, Solution and Solubility

SUB TOPICS:
A. Sources and treatment of water
B. Hardness of water
C. Removal of hardness in water
D. Advantages and disadvantages of hard water

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 State the sources of water.
2 Explain the causes of hardness of water.
3 Outline the procedures involved in the treatment of water for town supply.
4 Demonstrate the removal of hardness in water using washing soda.
5 ETC

Week 10: 20-11-2023

Water, Solution and Solubility (CONT'D)

SUB TOPICS:
A. Structure and properties of water
B. Water pollution
C. Solute, solution and solubility
D. Calculations on solubility

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Define the following concept: solute, solution, solvent, and solubility.
2 Prepare solutions of common substances.
3 ETC

Attention: The internal data of table “48” is corrupted!

Other Classes are Listed Below
for Chemistry
SS 1 SS 2 SS 3
1st 2nd 3rd 1st 2nd 3rd 1st 2nd 3rd

Scheme of Work by Topic for:
SS2 Chemistry 1st Term
(Ana Arm Technologies)
Mass-Volume Relationship
Acid–Base Titration
Chemical Reactions
Energy and Chemical Reactions
Chemical Equilibrium
Water, Solution and Solubility
Online Quiz
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