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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 |
GAS LAWS
|
Boyle?s law.
|
By the end of the
lesson, the learner
should be able to:
State Boyle?s law. Explain Boyle?s law using kinetic theory of matter. |
Teacher demonstration ? Use syringes / pumps to show variation of volume with pressure.
Teacher asks probing questions leading to statement of the law. Discuss the cause of build-up-in pressure. |
Chart
Volume-pressure relationship. Syringes. |
K.L.B. BK III
PP. 1-2 Longhorn Book III PP 1 -2 |
|
| 1 | 2 |
GAS LAWS
|
Boyle?s law: -
Equation and graphical representation.
|
By the end of the
lesson, the learner
should be able to:
Represent Boyle?s law mathematically and graphically. |
Q/A: relation between volume and pressure mathematically and graphically.
Derive the relation P1V1=P2V2, and sketch graphs to illustrate Boyle?s law. Worked examples. Assignment. |
chart
|
K.L.B. BK III
PP. 3-4 Longhorn Book III PP 3-5 |
|
| 1 | 3-4 |
GAS LAWS
|
Boyle?s law:
Numerical questions.
Boyle?s law: Interpretation of graphs. |
By the end of the
lesson, the learner
should be able to:
Solve further problems involving Boyle?s law. Plot and intepret graphs involving pressure and volume of gases. |
Supervised exercise: Volume in cm?, m?, litres, and pressure in Pa, mmHg, cmHg, atmospheres.
Assignment. Completing tables and plotting graphs. Interpret the plotted graphs. Make deductions from the graphs. |
Calculators.
Graph papers. |
K.L.B. BK III
PP. 4-5 Longhorn Book III PP 6-8 K.L.B. BK III PP. 4-5 |
|
| 1 | 5 |
GAS LAWS
|
Charles? law.
|
By the end of the
lesson, the learner
should be able to:
State Charles? law. Explain Charles? law using kinetic theory of matter. |
Teacher demonstration:- To show expansion of air when heated and contraction when pressure is constant.
Explain increase in volume when temperature is raised. Q/A: - relation between volume and temperature, leading to Charles? law. |
Coloured water,
Glass tube, Warm water, Cork and Flask. |
.K.L.B.
BK III P. 6 Longhorn Book III PP 9-11 |
|
| 2 | 1 |
GAS LAWS
|
Temperature in Degree Celsius and Kelvin.
Equation and graphs from Charles? law.
|
By the end of the
lesson, the learner
should be able to:
Convert temperature in degree Celsius to Kelvin and vice-versa. |
Teacher explains inter-conversion of the units.
Students complete a table of temperature in the two units. |
student book
|
K.L.B.
BK III P. 10 Longhorn Book III P 11 |
|
| 2 | 2 |
GAS LAWS
|
Charles? law- equation and graphical representation.
|
By the end of the
lesson, the learner
should be able to:
Express Charles? law with equations. Give a graphical representation of Charles? law. |
Derive equations from volume and temperature relationship.
Exposition: - Teacher exposes a volume-temperature graph and extrapolates it to obtain the absolute temperature. The definition of absolute temperature is exposed. |
student book
|
K.L.B. BK III PP. 6-7 Longhorn Book III P 10 |
|
| 2 | 3-4 |
GAS LAWS
|
Numerical questions on Charles? Law.
Combined Gas Law. Standard conditions, S.T.P. conditions and R.T.P. conditions. |
By the end of the
lesson, the learner
should be able to:
Solve numerical problems based on Charles? Law. State standard conditions of temperature and pressure of an ideal gas. State room temperature and pressure of a gas. Use standard conditions in problem solving. |
Worked examples.
Supervised exercise. Assignment. Exposition of s.t.p. and r.t.p. Problem solving. |
Calculators.
student book |
K.L.B.
BK III P. 12 Longhorn Book III PP 12-14 K.L.B. BK III P. 14 |
|
| 2 | 5 |
GAS LAWS
|
Diffusion.
|
By the end of the
lesson, the learner
should be able to:
Define diffusion. Describe experiments to show diffusion. |
Group experiments. Diffusion of KMnO4 crystals, concentrated ammonia solution. |
KMnO4 crystals, Litmus papers. |
K.L.B. BK III PP. 14-15 Longhorn Book III P 19 |
|
| 3 | 1 |
GAS LAWS
|
Rates of diffusion.
|
By the end of the
lesson, the learner
should be able to:
Compare rates of diffusion of ammonia gas and hydrogen chloride in air. |
Teacher demonstration: - To deduce rate of diffusion of ammonia gas and hydrogen chloride.
Q/A: - Students calculate ratio of rates of diffusion of the gases. |
student book
|
K.L.B.
BK III PP. 18-19 Longhorn Book III 21 |
|
| 3 | 2 |
GAS LAWS
THE MOLE |
Graham?s Law.
Mole, molar mass and R.A.M. |
By the end of the
lesson, the learner
should be able to:
Carry out numerical tasks. |
Solve problems involving RMM, equal volumes of the gases involved.
Supervised practice. Assignment. |
Calculators
Chart- table of molar masses of elements. |
K.L.B. BK III
PP. 24-26 Longhorn Book III PP 22-24 |
|
| 3 | 3-4 |
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 |
|
| 3 | 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 |
|
| 4 | 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 |
|
| 4 | 2 |
THE MOLE
|
Molecular formula.
|
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. |
Worked examples.
Supervised practice. |
Calculators.
|
K.L.B.BK III
P. 45 Longhorn Book III PP 73-75 |
|
| 4 | 3-4 |
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. Define molarity of a solution. Find molarity of a solution in M/dm? |
Q/A: - Equivalent ratios, e.g. 4g dissolved in 500cm? and
8g in 1 litre. Worked examples on concentration of solutions. Teacher explains that molarity of a solution is given in moles of the solute per litre. Worked examples. Supervised exercise. |
chart
student book |
K.L.B. BK III
PP. 46-48 Longhorn Book III PP 76-81 K.L.B. BK III PP. 48-49 Longhorn Book III PP 76-81 |
|
| 4 | 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 |
|
| 5 | 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 |
|
| 5 | 2 |
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. |
Group experiments.
Calculations. |
student book
CuSO4 solution and iron metal. |
K.L.B. BK III
PP. 76-81 |
|
| 5 | 3-4 |
THE MOLE
THE MOLE Volumetric Analysis. |
Stoichiometric equations.
Stoichiometric equations of various reactions. Stoichiometric equations of various reactions. Apparatus used in titration experiments. |
By the end of the
lesson, the learner
should be able to:
To define a stoichiometric equation. To investigate and determine Stoichiometric equations of various reactions. |
To write stoichiometric equations of the above reactions.
Class experiments. Problem solving. |
student book
student book Pipettes Burettes. |
K.L.B. BK III
Longhorn Book III PP 14-16 PP. 88-93 K.L.B. BK III P. 62 |
|
| 6 |
Mid-Term Examination |
|||||||
| 7 |
Mid term break |
|||||||
| 8 | 1 |
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 |
|
| 8 | 2 |
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 |
|
| 8 | 3-4 |
Volumetric Analysis.
|
Titration experiment
(Neutralization reaction)
Basicity of an acid. |
By the end of the
lesson, the learner
should be able to:
To carry out calculations from experimental results. To define basicity of an acid. |
Step-by-step calculations.
Complete a table of number of replaceable hydrogen ions of an acid; hence define basicity of an acid. Write corresponding ionic equations. |
Calculators.
student book |
K.L.B. BK III
P 66 Longhorn Book III PP 108-114 K.L.B. BK III P. 73 |
|
| 8 | 5 |
Volumetric Analysis.
|
Standardization of HCl.
|
By the end of the
lesson, the learner
should be able to:
To define standardization of HCl. |
Class experiments.
|
Dilute HCl, Na2CO3 solutions.
|
K.L.B. BK III PP. 74-75 |
|
| 9 | 1 |
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 |
|
| 9 | 2 |
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 |
|
| 9 | 3-4 |
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. To find formula mass of ammonium iron (II) sulphate. |
Teacher exposes the formula of water of crystallization.
Class experiment. Filling in a table of results. Calculations from experimental results. |
Ammonium
Iron (II) Sulphate crystals. Dilute sulphuric (VI) acid. student book |
K.L.B. BK III
P. 76 K.L.B. BK III PP. 76 -77 |
|
| 9 | 5 |
Volumetric Analysis.
|
Formula mass of a given salt.
Atomicity of gases. |
By the end of the
lesson, the learner
should be able to:
To solve numerical problems involving water of crystallization. |
Problem solving from sample results.
|
student book
|
K.L.B. BK III
P.77 |
|
| 10 | 1 |
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 |
|
| 10 | 2 |
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 | 3-4 |
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 | 5 |
NITROGEN & ITS COMPOUNDS.
|
Nitric acid.
Lab preparation.
|
By the end of the
lesson, the learner
should be able to:
To describe lab preparation of nitric acid. |
Teacher demonstration.
Write equations of reaction. Discussion. |
Retort stand
Conc. H2SO4 KNO3 |
K.L.B. BK III
P. 163 |
|
| 11 |
End Term examinations |
|||||||
| 12 | 1 |
NITROGEN & ITS COMPOUNDS.
|
Nitric acid
Industrial manufacture.
|
By the end of the
lesson, the learner
should be able to:
To describe industrial manufacture of nitric acid. |
Discussion and writing equations.
|
Chart
Schematic diagram. |
K.L.B. BK III
P. 164 |
|
| 12 | 2 |
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 |
|
| 12 | 3-4 |
NITROGEN & ITS COMPOUNDS.
|
Nitric acid and carbonates.
Reaction of dil. nitric acid with hydrogen carbonates. |
By the end of the
lesson, the learner
should be able to:
To describe action of nitric acid on carbonates and hydrogen carbonates. Write equations for reaction of dil. nitric acid with hydrogen carbonates. |
Group experiments: - Action of Nitric acid on hydrogen carbonates.
Discussion and corresponding equations. |
Solutions of
Na2CO3 NaHCO3 ZnCO3 CuCO3 |
K.L.B. BK III
P. 167 Longhorn Book III 229-30 |
|
| 12 | 5 |
NITROGEN & ITS COMPOUNDS.
|
Dilute nitric acid and metal hydroxides and oxides.
|
By the end of the
lesson, the learner
should be able to:
Predict results of reacting dilute nitric acid with metal hydroxides and oxides. |
Group experiments & writing equations for the reactions.
|
Metal hydroxides.
|
K.L.B. BK III
P. 168 Longhorn Book III PP 238-240 |
|
| 13 | 1 |
NITROGEN & ITS COMPOUNDS.
|
Reaction of nitric acid as an oxidizing agent.
|
By the end of the
lesson, the learner
should be able to:
Describe reactions of nitric acid as an oxidizing agent. |
Class experiments: -
Explain observations made. |
Nitric acid acidified iron sulphate, sulphur, and copper metal.
|
K.L.B. BK III
PP. 169-170 Longhorn Book III PP 239 -240 |
|
| 13 | 2 |
NITROGEN & ITS COMPOUNDS.
|
Uses of nitric acid
&
nitrates.
|
By the end of the
lesson, the learner
should be able to:
To state uses of nitrates. To describe preparation of nitrates. |
Discussion
Equations for the reactions for preparation of nitrates. |
charts
|
K.L.B. BK III
P. 171 Longhorn Book III PP 240 |
|
| 13 | 3-4 |
NITROGEN & ITS COMPOUNDS.
|
Action of heat on nitrates.
Test for nitrates. |
By the end of the
lesson, the learner
should be able to:
To write equations of decomposition of nitrates on heating. To carry out tests on nitrates. |
Discuss above observations.
Write relevant equations. Class experiments. Make observations and deductions. Discuss the brown ring test for nitrates. |
charts
|
K.L.B. BK III
P 172 K.L.B. BK III PP 173-174 Longhorn Book III PP 243 |
|
| 13 | 5 |
NITROGEN & ITS COMPOUNDS.
|
Nitrogen compounds and the environment.
|
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
|
K.L.B.BK III
PP. 173-174 Longhorn Book III PP 244-6 |
|
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