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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 4 |
THE MOLE
|
Mole, molar mass and R.A.M.
Number of moles in a substance. |
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.
student book |
K.L.B. BK III
PP. 27-31 Longhorn Book III PP 34-35 |
|
| 1 | 5 |
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 | 1 |
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 |
|
| 2 | 2-3 |
THE MOLE
|
Empirical Formula.
Molecular formula. |
By the end of the
lesson, the learner
should be able to:
Determine empirical formula of a compound given percentage composition by mass. Define molecular formula of a compound. Find molecular formula given percentage composition of a compound by mass. |
Worked examples.
Supervised practice. Assignment. Worked examples. Supervised practice. |
student book
Calculators. |
K.L.B.
BK III P. 43 Longhorn Book III PP 66-71 K.L.B.BK III P. 45 Longhorn Book III PP 73-75 |
|
| 2 | 4 |
THE MOLE
|
Concentration of a solution.
Molarity of a solution. |
By the end of the
lesson, the learner
should be able to:
Define concentration of a solution. Find concentration of a solution in grams/litre and moles/litre. |
Q/A: - Equivalent ratios, e.g. 4g dissolved in 500cm? and
8g in 1 litre. Worked examples on concentration of solutions. |
chart
student book |
K.L.B. BK III
PP. 46-48 Longhorn Book III PP 76-81 |
|
| 2 | 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 |
|
| 3 | 1 |
THE MOLE
|
Calculators on molar solutions.
Dilution of 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 |
|
| 3 | 2-3 |
THE MOLE
|
Stoichiometry of a chemical reaction.
Stoichiometric equations. Stoichiometric equations of various reactions. |
By the end of the
lesson, the learner
should be able to:
To determine mole ratio of given reactions. To investigate and determine Stoichiometric equations of various reactions. |
Group experiments: - Determine masses, hence moles of reacting CuSO4 solution and iron metal.
Class experiments. Problem solving. |
CuSO4 solution and iron metal.
student book |
K.L.B. BK III
P. 56 Longhorn Book III PP 87-92 K.L.B. BK III P. 62 |
|
| 3 | 4 |
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 |
|
| 3 | 5 |
Volumetric Analysis.
|
Titration process.
|
By the end of the
lesson, the learner
should be able to:
To define titration as a process. Define a titration end-point. |
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. |
Indicators
Suitable acid and base. |
K.L.B.
BK III PP. 64-67 Longhorn Book III PP 108-114 |
|
| 4 |
Cat one exams |
|||||||
| 5 | 1 |
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 | 2-3 |
Volumetric Analysis.
|
Titration experiment
(Neutralization reaction)
Basicity of an acid. Standardization of HCl. |
By the end of the
lesson, the learner
should be able to:
To carry out calculations from experimental results. To define standardization of HCl. |
Step-by-step calculations.
Class experiments. |
Calculators.
student book Dilute HCl, Na2CO3 solutions. |
K.L.B. BK III
P 66 Longhorn Book III PP 108-114 K.L.B. BK III PP. 74-75 |
|
| 5 | 4 |
Volumetric Analysis.
|
Concentration of HCl.
|
By the end of the
lesson, the learner
should be able to:
To calculate concentration of HCl from experimental results. |
Calculations & supervised practice.
|
|
K.L.B. BK III
PP. 74-75 |
|
| 5 | 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 |
|
| 6 | 1 |
Volumetric Analysis.
|
Water of crystallization.
Formula mass of ammonium iron (II) sulphate. |
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. student book |
K.L.B. BK III
P. 76 |
|
| 6 | 2-3 |
Volumetric Analysis.
|
Formula mass of a given salt.
Atomicity of gases. Mass and volume of gases. |
By the end of the
lesson, the learner
should be able to:
To solve numerical problems involving water of crystallization. To determine mass and volume of gases. |
Problem solving from sample results.
Teacher demonstration: - Determining mass of known volumes of oxygen / CO2. |
student book
Lubricated syringes Oxygen/ CO2. |
K.L.B. BK III
P.77 K.L.B. BK III P. 81 Longhorn BK III PP 126-127 |
|
| 6 | 4 |
Volumetric Analysis.
|
Molar gas volume.
Combining volumes of gases. |
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 |
|
| 6 | 5 |
Volumetric Analysis.
|
Gay Lussac?s Law.
|
By the end of the
lesson, the learner
should be able to:
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 exposes the law; and compares it with Gay Lussac?s Law.
Worked examples. Supervised practice. |
student book
|
K.L.B. BK III
P. 85 Longhorn Book III PP 129-131 |
|
| 7 | 1 |
NITROGEN & ITS COMPOUNDS.
|
Isolation of nitrogen from air.
|
By the end of the
lesson, the learner
should be able to:
Describe isolation of nitrogen from air. |
Teacher demonstration, explanations and equations. |
Aspirator, copper turnings, gas jar, combustion tube, trogh.
|
K.L.B. BK III
PP. 134-135 Longhorn Book P 186 |
|
| 7 | 2-3 |
NITROGEN & ITS COMPOUNDS.
|
Industrial production of nitrogen.
Lab. preparation of nitrogen. Physical and chemical properties of nitrogen. Uses of nitrogen. |
By the end of the
lesson, the learner
should be able to:
Describe industrial production of nitrogen. Describe lab preparation of nitrogen. |
Discussion and description.
Drawing schematic diagram for the process. Teacher demonstration: Students? record observations made from tests on the gas. Writing equations of reactions. |
charts
Ammonium chloride, sodium nitrate charts |
K.L.B. BK III
PP.135-136 Longhorn Book PP 188-9 K.L.B. BK III P. 137 Longhorn Book III P 190-1 |
|
| 7 | 4 |
NITROGEN & ITS COMPOUNDS.
|
Nitrogen (I) oxide.
Lab preparation.
|
By the end of the
lesson, the learner
should be able to:
To describe Nitrogen (I) oxide. |
Teacher demonstration: -
Carry out tests on the gas. Students record observations in a table. Guided discussion. |
Ammonium nitrate.
|
K.L.B. BK III
PP. 139-141 Longhorn Book III PP 195-6 |
|
| 7 | 5 |
NITROGEN & ITS COMPOUNDS.
|
Properties and uses of Nitrogen (I) oxide.
|
By the end of the
lesson, the learner
should be able to:
To list down physical properties of nitrogen (I) oxide. To describe chemical properties of nitrogen (I) oxide. To list down uses of nitrogen (I) oxide. |
Q/A: Deductions from tests carried out.
Discussion of chemical properties and writing of equations. Teacher elucidates uses of nitrogen (1) oxide. |
charts
|
K.L.B. BK III P. 141 Longhorn Book III PP 191-2 |
|
| 8 | 1 |
NITROGEN & ITS COMPOUNDS.
|
Nitrogen (II) oxide.
Lab preparation.
Properties of the gas. |
By the end of the
lesson, the learner
should be able to:
To describe lab preparation of nitrogen (II) oxide. |
Class experiment: Preparation and carrying out tests on the gas.
Observations recorded in a table. |
Dil nitric acid, copper turnings.
charts |
K.L.B. BK III
P. 142 Longhorn Book III PP 200-1 |
|
| 8 | 2-3 |
NITROGEN & ITS COMPOUNDS.
|
Nitrogen (1V) oxide
Lab preparation.
Properties of Nitrogen (IV) oxide. Ammonia. Lab preparation of ammonia. |
By the end of the
lesson, the learner
should be able to:
To describe nitrogen (IV) oxide lab preparation. To list down physical properties of nitrogen (IV) oxide To describe chemical properties of nitrogen (IV) oxide To state uses of nitrogen (1V) oxide. |
Teacher demonstration: - Preparation of the gas and corresponding equation.
Tests on the gas and make observations. Deduce physical properties from the table of observations. To describe chemical properties from the table of observations. Discuss uses of nitrogen (1V) oxide. |
Conc. nitric acid, copper turnings.
charts Ca(OH)2, NH4Cl Solutions, CaO, litmus papers..M THREE CHEMISTRY TERM TWO 20.... |
K.L.B. BK III
PP. 144-145 K.L.B. BK III PP. 144-147 Longhorn Book III P 204 |
|
| 8 | 4 |
NITROGEN & ITS COMPOUNDS.
|
Properties of ammonia.
Solubility of ammonia. |
By the end of the
lesson, the learner
should be able to:
To list down physical properties of ammonia. |
Deduce physical properties from the observations above.
Discuss chemical properties from the observations above. Write down chemical equations. |
charts
|
K.L.B. BK III P. 150 |
|
| 8 | 5 |
NITROGEN & ITS COMPOUNDS.
|
Reaction of ammonia with metal ions.
|
By the end of the
lesson, the learner
should be able to:
To prepare aqueous solution of ammonia. To carry out tests of aqueous ammonia on metal ions. |
Teacher demonstration: - Preparation of aqueous solution of ammonia.
Class experiments: - Students record observations when drops of aqueous ammonia are added, then in excess. |
2 cm Solutions containing various metal ions.
|
K.L.B. BK III PP. 152-153 |
|
| 9 | 1 |
NITROGEN & ITS COMPOUNDS.
|
Ionic equations of above reactions.
|
By the end of the
lesson, the learner
should be able to:
To write iIonic equations of above reactions. |
Discuss precipitation of metal hydroxides by aqueous ammonia.
Confirmatory tests for various concentrations. |
charts
|
K.L.B. BK III
P.154 Longhorn BK III P 223 |
|
| 9 | 2 |
NITROGEN & ITS COMPOUNDS.
|
Burning ammonia in the air.
|
By the end of the
lesson, the learner
should be able to:
To describe burning ammonia in the air. |
Teacher demonstration
Discussion Chemical equations of reactions. |
Conc. Ammonium solution
Hot platinum rod Oxygen. |
K.L.B.
BK III P. 158 Longhorn Book III PP 219 |
|
| 9 |
Midterm break |
|||||||
| 10 | 1 |
NITROGEN & ITS COMPOUNDS.
|
Reaction of ammonia with copper (II) Oxide.
Haber process. |
By the end of the
lesson, the learner
should be able to:
To name products formed when ammonia reacts with hot CuCl2 solid. To explain reducing properties of ammonia. |
Teacher demonstration and discussion.
Write down equations for the reactions. |
Granular CuCl2
Combustion tube, Dry ammonia U-tube Gas jar. Chart- schematic diagram. |
K.L.B. BK III P. 158 |
|
| 10 | 2-3 |
NITROGEN & ITS COMPOUNDS.
|
Uses of ammonia.
Nitric acid. Lab preparation. Nitric acid Industrial manufacture. |
By the end of the
lesson, the learner
should be able to:
To list down uses of ammonia. To list down nitrogenous fertilizers. To describe industrial manufacture of nitric acid. |
Teacher elucidates uses of ammonia and nitrogenous fertilizers.
Discussion and writing equations. |
charts
Retort stand Conc. H2SO4 KNO3 Chart Schematic diagram. |
K.L.B. BK III
P. 161 Longhorn Book III PP 126 -226 K.L.B. BK III P. 164 |
|
| 10 | 4 |
NITROGEN & ITS COMPOUNDS.
|
Reaction of dilute Nitric acid with metals.
|
By the end of the
lesson, the learner
should be able to:
To describe reaction of dilute nitric acid with metals. To write equations of reactions of dilute nitric acid with metals. |
Class experiment:- making observations and recording them in a table.
Discuss the observations. Write down equations for the reactions. |
Magnesium
Zinc Copper |
K.L.B. BK III
PP. 165-166 Longhorn Book III PP 166-8 |
|
| 10 | 5 |
NITROGEN & ITS COMPOUNDS.
|
Nitric acid and carbonates.
|
By the end of the
lesson, the learner
should be able to:
To describe action of nitric acid on carbonates and hydrogen carbonates. |
Group experiments: - Action of Nitric acid on hydrogen carbonates.
|
Solutions of
Na2CO3 NaHCO3 ZnCO3 CuCO3 |
K.L.B. BK III
P. 167 Longhorn Book III 229-30 |
|
| 11 | 1 |
NITROGEN & ITS COMPOUNDS.
|
Reaction of dil. nitric acid with hydrogen carbonates.
Dilute nitric acid and metal hydroxides and oxides. |
By the end of the
lesson, the learner
should be able to:
Write equations for reaction of dil. nitric acid with hydrogen carbonates. |
Discussion and corresponding equations.
|
Metal hydroxides.
|
K.L.B. BK III
P. 167 |
|
| 11 | 2-3 |
NITROGEN & ITS COMPOUNDS.
|
Reaction of nitric acid as an oxidizing agent.
Uses of nitric acid & nitrates. |
By the end of the
lesson, the learner
should be able to:
Describe reactions of nitric acid as an oxidizing agent. To state uses of nitrates. To describe preparation of nitrates. |
Class experiments: -
Explain observations made. Discussion Equations for the reactions for preparation of nitrates. |
Nitric acid acidified iron sulphate, sulphur, and copper metal.
charts |
K.L.B. BK III
PP. 169-170 Longhorn Book III PP 239 -240 K.L.B. BK III P. 171 Longhorn Book III PP 240 |
|
| 11 | 4 |
NITROGEN & ITS COMPOUNDS.
|
Action of heat on nitrates.
|
By the end of the
lesson, the learner
should be able to:
To write equations of decomposition of nitrates on heating. |
Discuss above observations.
Write relevant equations. |
charts
|
K.L.B. BK III
P 172 |
|
| 11 | 5 |
NITROGEN & ITS COMPOUNDS.
|
Test for nitrates.
|
By the end of the
lesson, the learner
should be able to:
To carry out tests on nitrates. |
Class experiments.
Make observations and deductions. Discuss the brown ring test for nitrates. |
charts
|
K.L.B. BK III
PP 173-174 Longhorn Book III PP 243 |
|
| 12 |
End term 2 exams |
|||||||
| 13 | 1 |
NITROGEN & ITS COMPOUNDS.
SULPHUR AND ITS COMPOUNDS |
Nitrogen compounds and the environment.
Extraction of sulphur. |
By the end of the
lesson, the learner
should be able to:
To explain the pollution of nitrogen compounds in the environment. To state ways of reducing environmental pollution by nitrogen compounds. |
Brief guided discussion.
|
charts
Chart-the Frasch process. |
K.L.B.BK III
PP. 173-174 Longhorn Book III PP 244-6 |
|
| 13 | 2-3 |
SULPHUR AND ITS COMPOUNDS
|
Allotropes of sulphur.
Physical properties of sulphur. Heating of sulphur. Chemical properties 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. To investigate and describe chemical properties of sulphur. |
Discussion and exposition of new concepts.
Group experiments. Discuss observations. Write corresponding equations. |
video
charts |
K.L.B. BK III
PP. 182-183 Longhorn Book PP 126-129 K.L.B.BK III PP.188-190 Longhorn Book III PP 256-8 |
|
| 13 | 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 |
|
| 13 | 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 |
|
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