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| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 |
Reporting of learners and opener exams |
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| 2 | 1 |
GAS LAWS
|
Boyle?s law.
Boyle?s law: - Equation and graphical representation. |
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. chart |
K.L.B. BK III
PP. 1-2 Longhorn Book III PP 1 -2 |
|
| 2 | 2-3 |
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 |
|
| 2 | 4 |
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 | 5 |
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 |
|
| 3 | 1 |
GAS LAWS
|
Charles? law- equation and graphical representation.
Numerical questions on Charles? Law. |
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
Calculators. |
K.L.B. BK III PP. 6-7 Longhorn Book III P 10 |
|
| 3 | 2-3 |
GAS LAWS
|
Combined Gas Law.
Standard conditions, S.T.P. conditions and R.T.P. conditions. Diffusion. |
By the end of the
lesson, the learner
should be able to:
Derive the Gas Law. Derive the combined gas law equation. Solve numerical problems using the equation. Define diffusion. Describe experiments to show diffusion. |
Q/A: - Combining Boyle?s and Charles? Laws.
Worked examples. Group experiments. Diffusion of KMnO4 crystals, concentrated ammonia solution. |
Calculators.
student book KMnO4 crystals, Litmus papers. |
K.L.B.
BK III P. 12 Longhorn Book III PP 14-16 K.L.B. BK III PP. 14-15 Longhorn Book III P 19 |
|
| 3 | 4 |
GAS LAWS
|
Rates of diffusion.
Graham?s Law. |
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
Calculators |
K.L.B.
BK III PP. 18-19 Longhorn Book III 21 |
|
| 3 | 5 |
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 |
|
| 4 | 1 |
THE MOLE
|
Number of moles in a substance.
|
By the end of the
lesson, the learner
should be able to:
Calculate number of moles in a given mass of a substance. |
Worked examples.
Supervised practice. |
student book
|
K.L.B .BK III
P. 34 Longhorn BK III PP 39-40 |
|
| 4 | 2-3 |
THE MOLE
|
Relative molecular mass
&
Relative formula mass.
Moles and Avogadro?s number. Empirical Formula. |
By the end of the
lesson, the learner
should be able to:
Define relative molecular mass. Calculate RMM of a compound. Determine empirical formula of a compound given percentage composition by mass. |
Q/A: - Review formulae of compounds.
Complete a table of compounds and their molecular / formula mass. Worked examples. Supervised practice. Assignment. |
Calculators.
student book |
K.L.B.BK III
PP. 34-35 Longhorn Book III PP 44-60 K.L.B. BK III P. 43 Longhorn Book III PP 66-71 |
|
| 4 | 4 |
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 | 5 |
THE MOLE
|
Concentration 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
|
K.L.B. BK III
PP. 46-48 Longhorn Book III PP 76-81 |
|
| 5 | 1 |
THE MOLE
|
Molarity of a solution.
Preparation of molar solutions. |
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
Volumetric flasks, teat droppers/wash bottle. Sodium hydrogen pellets. Weighing balance. |
K.L.B. BK III
PP. 48-49 Longhorn Book III PP 76-81 |
|
| 5 | 2-3 |
THE MOLE
|
Calculators on molar solutions.
Dilution of solutions. Stoichiometry of a chemical reaction. |
By the end of the
lesson, the learner
should be able to:
Solve numerical calculations on molar solutions. Problems on molar solutions. To determine mole ratio of given reactions. |
Worked examples.
Supervised exercise. Assignment. 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
P 51 Longhorn Book III PP 76-81 K.L.B. BK III P. 56 Longhorn Book III PP 87-92 |
|
| 5 | 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 |
|
| 5 | 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 |
|
| 6 | 1 |
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. |
Discussion and practical use of the apparatus.
Emphasis is laid on need to sterilize the apparatus after use. |
Pipettes
Burettes. Indicators Suitable acid and base. |
K.L.B. BK III
PP. 63-64 Longhorn Book III PP 104-8 |
|
| 6 | 2-3 |
Volumetric Analysis.
|
Titration experiment
(Neutralization reaction)
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. To carry out calculations from experimental results. |
Class experiments: - To neutralize HCl with NaOH solution.
Fill in a table of results. Find the average base used. Step-by-step calculations. |
student book
Calculators. |
K.L.B. BK III
P. 66 Longhorn Book III PP 108-114 K.L.B. BK III P 66 Longhorn Book III PP 108-114 |
|
| 6 | 4 |
Volumetric Analysis.
|
Basicity of an acid.
Standardization of HCl. |
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
Dilute HCl, Na2CO3 solutions. |
K.L.B. BK III
P. 73 |
|
| 6 | 5 |
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 |
|
| 7 | 1 |
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 | 2 |
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 |
|
| 7-8 |
Midterm exams |
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| 8-9 |
Half term break |
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| 9 | 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 define atomicity of gases. |
Problem solving from sample results.
Review by Q/A atoms and molecules; hence the definition. Discuss a table of gases and their atomicity. |
student book
student book Lubricated syringes Oxygen/ CO2. |
K.L.B. BK III
P.77 K.L.B. BK III PP. 78 -80 Longhorn BK III PP 126-128 |
|
| 9 | 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 |
|
| 9 | 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 |
|
| 10 | 1 |
ORGANIC CHEMISTRY (I)
|
Hydrocarbons.
|
By the end of the
lesson, the learner
should be able to:
To define organic Chemistry. To define a hydrocarbon. To identify groups of hydrocarbons. To describe the carbon atom. |
Discuss composition of the carbon atom; hence deduce number of valence electrons.
Exposition of new terms. |
student book
|
K.L.B. BK III
P. 92 Longhorn Book III P 135 |
|
| 10 | 2-3 |
ORGANIC CHEMISTRY (I)
|
Alkanes.
Naming Alkanes. Members of Alkane series. |
By the end of the
lesson, the learner
should be able to:
To identify various alkanes. To list sources of alkanes. To state uses of different fractions of crude oil. To define cracking of alkanes. To identify various alkanes. To define a homologous series. |
Expose various alkanes.
Discuss the biomass digester, fractional distillation of crude oil and uses of the fractions. Discuss the cracking process. Discussion and exposition of new concepts. |
Chart of biomass digester.
student book Chart- structure of alkanes. |
K.L.B. BK III
PP. 93-94 Longhorn Book III PP 135-6 K.L.B. BK III PP. 94-98 Longhorn Book III PP 136-139 |
|
| 10 | 4 |
ORGANIC CHEMISTRY (I)
|
Isomerism in alkanes.
Laboratory preparation of a given alkane. |
By the end of the
lesson, the learner
should be able to:
To draw and name isomers of simple hydrocarbons. |
Discussion and exposition of new concepts.
|
Models.
Sodium ethanoate, sodalime, Pestle and mortar. |
K.L.B. BK III
PP. 101-102 Longhorn Book III PP 141-2 |
|
| 10 | 5 |
ORGANIC CHEMISTRY (I)
|
Trend in physical properties of alkanes.
|
By the end of the
lesson, the learner
should be able to:
To describe the trend in physical properties of alkanes. |
Study a table of comparative properties of alkanes.
Make deductions from the table. |
student book
|
K.L.B. BK III
P. 105 Longhorn Book III PP 148-9 |
|
| 11 | 1 |
ORGANIC CHEMISTRY (I)
|
Chemical properties of alkanes.
Substitution reactions involving alkanes. Uses of alkanes. |
By the end of the
lesson, the learner
should be able to:
Describe chemical properties of alkanes. |
Discussion
Examples of balanced equations. |
student book
|
K.L.B. BK III
P. 107 Longhorn Book III PP 148-9 |
|
| 11 | 2-3 |
ORGANIC CHEMISTRY (I)
|
Alkenes.
Molecular formulae of alkenes.
Naming alkenes. Alkene isomerism. |
By the end of the
lesson, the learner
should be able to:
To write molecular formulae of alkenes. To name various alkenes. |
Examine table of members of alkenes.
To identify members of alkene series. Q/Q: Nomenclature in alkenes. Compare alkenes; hence deduce names of various alkenes. |
student book
|
K.L.B. BK III
PP 153-4 K.L.B. BK III PP. 110-113 Longhorn Book III PP 154-6 |
|
| 11 | 4 |
ORGANIC CHEMISTRY (I)
|
Preparing ethene in the lab.
Physical properties of ethene. |
By the end of the
lesson, the learner
should be able to:
To describe lab preparation of ethene. |
Teacher demonstration: - Carry out tests on ethene as students note down the observations in a table.
|
chart
student book |
K.L.B. BK III P 162 |
|
| 11 | 5 |
ORGANIC CHEMISTRY (I)
|
Chemical properties of ethene.
|
By the end of the
lesson, the learner
should be able to:
To explain halogenation and hydrogenation reactions. |
Discussion and drawing structures.
|
charts
|
KLB BK III PP. 118-119 Longhorn Book III PP 166-8 |
|
| 12 | 1 |
ORGANIC CHEMISTRY (I)
|
Alkenes and oxidizing agents.
Uses of alkenes & Topic review. |
By the end of the
lesson, the learner
should be able to:
To describe reactions of alkenes with oxidizing agents. |
Review the double bonds in alkenes.
Review reduction process, oxidizing agent. Discuss reactions of alkenes with conc. H2SO4, acidified potassium chromate. Expose hydrolysis process. |
charts
|
K.L.B. BK III PP. 120-121 Longhorn Book III PP 166-8 |
|
| 12 | 2 |
ORGANIC CHEMISTRY (I)
|
Alkynes.
Nomenclature.
|
By the end of the
lesson, the learner
should be able to:
To identify various alkynes. To name and draw structures of alkynes. |
Discuss a table of members of alkynes.
Review naming of alkanes and alkene and compare this with naming of alkynes. |
charts
|
K.L.B. BK III
P. 122-123 Longhorn Book III PP 126-129 171-5 |
|
| 12 | 2-3 |
ORGANIC CHEMISTRY (I)
|
Alkynes.
Nomenclature.
Isomerism in alkynes. |
By the end of the
lesson, the learner
should be able to:
To identify various alkynes. To name and draw structures of alkynes. To draw structure showing positional and branching isomerism. |
Discuss a table of members of alkynes.
Review naming of alkanes and alkene and compare this with naming of alkynes. Discussion and drawing structures. |
charts
|
K.L.B. BK III
P. 122-123 Longhorn Book III PP 126-129 171-5 K.L.B. BK III PP. 124-125 Longhorn Book III PP 176-8 |
|
| 12 | 4 |
ORGANIC CHEMISTRY (I)
|
Physical properties of ethyne.
Chemical properties of ethyne. |
By the end of the
lesson, the learner
should be able to:
To list down physical properties of ethyne. |
Teacher demonstration: Preparation of ethyne.
Deduce properties of other alkynes. |
charts
|
K.L.B. BK III
PP. 125-126 Longhorn Book III PP 197-80 |
|
| 12 | 5 |
ORGANIC CHEMISTRY (I)
|
Tests for alkynes.
Uses of alkynes.
|
By the end of the
lesson, the learner
should be able to:
To describe tests for alkynes and state uses of alkynes. |
Discussion and explanations.
Assignment. |
charts
|
K.L.B. BK III
P.130 Longhorn Book III PP 180-84 |
|
| 13 |
End of term one exams |
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