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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 2 | 1 |
THE MOLE
|
Mole, molar mass and R.A.M.
|
By the end of the
lesson, the learner
should be able to:
Define the term mole as a quantity of measurement. Relate the mole to R.A.M and molar mass. |
Discuss various analogies that lead to the definition of the mole.
Expose the meaning of R.A.M., Avogadro?s constant and molar mass. |
Chart- table of molar masses of elements.
|
K.L.B. BK III
PP. 27-31 Longhorn Book III PP 34-35 |
|
| 2 | 2-3 |
THE MOLE
|
Number of moles in a substance.
Relative molecular mass & Relative formula mass. |
By the end of the
lesson, the learner
should be able to:
Calculate number of moles in a given mass of a substance. Define relative molecular mass. Calculate RMM of a compound. |
Worked examples.
Supervised practice. Q/A: - Review formulae of compounds. Complete a table of compounds and their molecular / formula mass. |
student book
Calculators. |
K.L.B .BK III
P. 34 Longhorn BK III PP 39-40 K.L.B.BK III PP. 34-35 Longhorn Book III PP 44-60 |
|
| 2 | 4 |
THE MOLE
|
Relative molecular mass
&
Relative formula mass.
|
By the end of the
lesson, the learner
should be able to:
Define relative molecular mass. Calculate RMM of a compound. |
Q/A: - Review formulae of compounds.
Complete a table of compounds and their molecular / formula mass. |
Calculators.
|
K.L.B.BK III
PP. 34-35 Longhorn Book III PP 44-60 |
|
| 2 | 5 |
THE MOLE
|
Moles and Avogadro?s number.
|
By the end of the
lesson, the learner
should be able to:
Calculate number of particles in a given number of moles. |
Review standard form of numbers.
Worked examples. Supervised exercise. |
Calculators.
|
K.L.B.BK III
PP. 3132 Longhorn Book III PP 30-31 |
|
| 3 | 1 |
THE MOLE
|
Empirical Formula.
|
By the end of the
lesson, the learner
should be able to:
Determine empirical formula of a compound given percentage composition by mass. |
Worked examples.
Supervised practice. Assignment. |
student book
|
K.L.B.
BK III P. 43 Longhorn Book III PP 66-71 |
|
| 3 | 2-3 |
THE MOLE
|
Molecular formula.
Concentration of a solution. |
By the end of the
lesson, the learner
should be able to:
Define molecular formula of a compound. Find molecular formula given percentage composition of a compound by mass. Define concentration of a solution. Find concentration of a solution in grams/litre and moles/litre. |
Worked examples.
Supervised practice. Q/A: - Equivalent ratios, e.g. 4g dissolved in 500cm? and 8g in 1 litre. Worked examples on concentration of solutions. |
Calculators.
chart |
K.L.B.BK III
P. 45 Longhorn Book III PP 73-75 K.L.B. BK III PP. 46-48 Longhorn Book III PP 76-81 |
|
| 3 | 4 |
THE MOLE
|
Molarity of a solution.
|
By the end of the
lesson, the learner
should be able to:
Define molarity of a solution. Find molarity of a solution in M/dm? |
Teacher explains that molarity of a solution is given in moles of the solute per litre.
Worked examples. Supervised exercise. |
student book
|
K.L.B. BK III
PP. 48-49 Longhorn Book III PP 76-81 |
|
| 3 | 5 |
THE MOLE
|
Preparation of molar solutions.
|
By the end of the
lesson, the learner
should be able to:
Define molar solutions. Prepare molar solutions. |
Q/A: - Description of preparation of molar solutions.
|
Volumetric flasks, teat droppers/wash bottle.
Sodium hydrogen pellets. Weighing balance. |
K.L.B. BK III
PP. 50-51 Longhorn Book III PP 78-81 |
|
| 4 | 1 |
THE MOLE
|
Calculators on molar solutions.
|
By the end of the
lesson, the learner
should be able to:
Solve numerical calculations on molar solutions. Problems on molar solutions. |
Worked examples.
Supervised exercise. Assignment. |
student book
|
K.L.B. BK III
P 51 Longhorn Book III PP 76-81 |
|
| 4 | 2-3 |
THE MOLE
|
Dilution of solutions.
Stoichiometry of a chemical reaction. |
By the end of the
lesson, the learner
should be able to:
Calculate molarity of a solution after dilution. To determine mole ratio of given reactions. |
Group experiments.
Calculations. Group experiments: - Determine masses, hence moles of reacting CuSO4 solution and iron metal. |
student book
CuSO4 solution and iron metal. |
K.L.B. BK III
PP. 76-81 K.L.B. BK III P. 56 Longhorn Book III PP 87-92 |
|
| 4 | 4 |
THE MOLE
|
Stoichiometric equations.
|
By the end of the
lesson, the learner
should be able to:
To define a stoichiometric equation. |
To write stoichiometric equations of the above reactions.
|
student book
|
K.L.B. BK III
Longhorn Book III PP 14-16 PP. 88-93 |
|
| 4 | 5 |
THE MOLE
|
Stoichiometric equations of various reactions.
|
By the end of the
lesson, the learner
should be able to:
To investigate and determine Stoichiometric equations of various reactions. |
Class experiments.
Problem solving. |
student book
|
K.L.B. BK III
P. 62 |
|
| 5 | 1 |
Volumetric Analysis.
|
Apparatus used in titration experiments.
|
By the end of the
lesson, the learner
should be able to:
To use and read a pipette and a burette. |
Discussion and practical use of the apparatus.
Emphasis is laid on need to sterilize the apparatus after use. |
Pipettes
Burettes. |
K.L.B. BK III
PP. 63-64 Longhorn Book III PP 104-8 |
|
| 5 | 2-3 |
Volumetric Analysis.
|
Apparatus used in titration experiments.
Titration process. |
By the end of the
lesson, the learner
should be able to:
To use and read a pipette and a burette. To define titration as a process. Define a titration end-point. |
Discussion and practical use of the apparatus.
Emphasis is laid on need to sterilize the apparatus after use. Review by Q/A: - -Indicators and colour changes. -Choice of indicators. -Balanced chemical equations. Discuss characteristics of a good titre, when an an-end point is attained. |
Pipettes
Burettes. Indicators Suitable acid and base. |
K.L.B. BK III
PP. 63-64 Longhorn Book III PP 104-8 K.L.B. BK III PP. 64-67 Longhorn Book III PP 108-114 |
|
| 5 | 4 |
Volumetric Analysis.
|
Titration experiment
(Neutralization reaction)
|
By the end of the
lesson, the learner
should be able to:
To carry out a titration experiment and obtain accurate results. |
Class experiments: - To neutralize HCl with NaOH solution.
Fill in a table of results. Find the average base used. |
student book
|
K.L.B. BK III
P. 66 Longhorn Book III PP 108-114 |
|
| 5 | 5 |
Volumetric Analysis.
|
Titration experiment
(Neutralization reaction)
|
By the end of the
lesson, the learner
should be able to:
To carry out calculations from experimental results. |
Step-by-step calculations.
|
Calculators.
|
K.L.B. BK III
P 66 Longhorn Book III PP 108-114 |
|
| 6 | 1 |
Volumetric Analysis.
|
Basicity of an acid.
|
By the end of the
lesson, the learner
should be able to:
To define basicity of an acid. |
Complete a table of number of replaceable hydrogen ions of an acid; hence define basicity of an acid.
Write corresponding ionic equations. |
student book
|
K.L.B. BK III
P. 73 |
|
| 6 | 2-3 |
Volumetric Analysis.
|
Standardization of HCl.
Concentration of HCl. |
By the end of the
lesson, the learner
should be able to:
To define standardization of HCl. To calculate concentration of HCl from experimental results. |
Class experiments.
Calculations & supervised practice. |
Dilute HCl, Na2CO3 solutions.
|
K.L.B. BK III PP. 74-75 |
|
| 6 | 4 |
Volumetric Analysis.
|
Redox Titration Reactions.
|
By the end of the
lesson, the learner
should be able to:
To standardize a solution with an iron (II) salt. |
Experiment and calculations.
|
Potassium Magnate
(VII) |
K.L.B. BK III
PP. 74-75 Longhorn Book III PP 114-115 |
|
| 6 | 5 |
Volumetric Analysis.
|
Redox Titration Reactions.
|
By the end of the
lesson, the learner
should be able to:
To standardize a solution with an iron (II) salt. |
Experiment and calculations.
|
Potassium Magnate
(VII) |
K.L.B. BK III
PP. 74-75 Longhorn Book III PP 114-115 |
|
| 7 | 1 |
Volumetric Analysis.
|
Water of crystallization.
|
By the end of the
lesson, the learner
should be able to:
To determine amount of water of crystallization in ammonium iron sulphate crystals. |
Teacher exposes the formula of water of crystallization.
Class experiment. Filling in a table of results. |
Ammonium
Iron (II) Sulphate crystals. Dilute sulphuric (VI) acid. |
K.L.B. BK III
P. 76 |
|
| 7 | 2-3 |
Volumetric Analysis.
|
Formula mass of ammonium iron (II) sulphate.
Formula mass of a given salt. |
By the end of the
lesson, the learner
should be able to:
To find formula mass of ammonium iron (II) sulphate. To solve numerical problems involving water of crystallization. |
Calculations from experimental results.
Problem solving from sample results. |
student book
|
K.L.B. BK III
PP. 76 -77 K.L.B. BK III P.77 |
|
| 7 | 4 |
Volumetric Analysis.
|
Atomicity of gases.
|
By the end of the
lesson, the learner
should be able to:
To define atomicity of gases. |
Review by Q/A atoms and molecules; hence the definition.
Discuss a table of gases and their atomicity. |
student book
|
K.L.B. BK III
PP. 78 -80 Longhorn BK III PP 126-128 |
|
| 7 | 5 |
Volumetric Analysis.
|
Mass and volume of gases.
|
By the end of the
lesson, the learner
should be able to:
To determine mass and volume of gases. |
Teacher demonstration: - Determining mass of known volumes of oxygen / CO2.
|
Lubricated syringes
Oxygen/ CO2. |
K.L.B. BK III
P. 81 Longhorn BK III PP 126-127 |
|
| 8-9 |
Mid term exam |
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| 9 |
Mid term break |
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| 10 | 1 |
Volumetric Analysis.
|
Molar gas volume.
|
By the end of the
lesson, the learner
should be able to:
To define molar gas volume. |
Use the above results to describe volume of one mole of a gas.
Discuss molar gas volume at R.T.P and S.T.P conditions. |
student book
|
K.L.B. BK III
79 ? 80 Longhorn Book III PP 126-127 |
|
| 10 | 2-3 |
Volumetric Analysis.
|
Combining volumes of gases.
Gay Lussac?s Law. |
By the end of the
lesson, the learner
should be able to:
To compare combining volumes of two reacting gases. To state Gay Lussac?s Law. To compare Gay Lussac?s Law with Avogadro?s Law. To solve numericals using Gay Lussac?s Law. |
Teacher demonstration: - Determining volumes of reacting gases; hence deduce volume rations.
Teacher exposes the law; and compares it with Gay Lussac?s Law. Worked examples. Supervised practice. |
student book
|
K.L.B BK III
P. 82 K.L.B. BK III P. 85 Longhorn Book III PP 129-131 |
|
| 10 | 4 |
SULPHUR AND ITS COMPOUNDS
|
Extraction of sulphur.
|
By the end of the
lesson, the learner
should be able to:
To describe extraction of sulphur by Frasch process. |
Illustrate and discuss extraction of sulphur. |
Chart-the Frasch process.
|
K.L.B. BK III
PP.180-181 Longhorn Book III PP 126-129 |
|
| 10 | 5 |
SULPHUR AND ITS COMPOUNDS
|
Allotropes of sulphur.
|
By the end of the
lesson, the learner
should be able to:
To identify allotropes of sulphur. To describe preparation of allotropes of sulphur. |
Discussion and exposition of new concepts.
|
video
|
K.L.B. BK III
PP. 182-183 Longhorn Book PP 126-129 |
|
| 11 | 1 |
SULPHUR AND ITS COMPOUNDS
|
Physical properties of sulphur.
Heating of sulphur.
|
By the end of the
lesson, the learner
should be able to:
To list physical properties of sulphur. To describe effects of heat on sulphur. |
Class experiment:
Solubility of sulphur in water, benzene, e.t.c,. Class experiments: Heating sulphur gently then strongly. Discuss the observations. |
charts
|
K.L.B. BK III
P.184 Longhorn I Book III PP 253-255 |
|
| 11 | 2-3 |
SULPHUR AND ITS COMPOUNDS
|
Chemical properties of sulphur.
|
By the end of the
lesson, the learner
should be able to:
To investigate and describe chemical properties of sulphur. |
Group experiments.
Discuss observations. Write corresponding equations. |
charts
|
K.L.B.BK III
PP.188-190 Longhorn Book III PP 256-8 |
|
| 11 | 4 |
SULPHUR AND ITS COMPOUNDS
|
Uses of sulphur.
Sulphur dioxide.
|
By the end of the
lesson, the learner
should be able to:
State uses of sulphur. Describe lab. preparation of sulphur dioxide. |
Teacher elucidates uses of sulphur.
Teacher demonstration:- Preparation of sulphur dioxide in a fume chamber/in the open. Carrying out tests on the gas. |
charts
|
K.L.B.BK III
PP 191- 192 Longhorn Book P 258 |
|
| 11 | 5 |
SULPHUR AND ITS COMPOUNDS
|
Physical properties of sulphur dioxide.
|
By the end of the
lesson, the learner
should be able to:
To list down physical properties of sulphur dioxide. |
Discuss the above tests.
|
text book
|
K.L.B.BK III
PP 193 Longhorn Book III PP 262-3 |
|
| 12-14 |
End term exam and break |
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