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

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

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

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

THE MOLE

Molecular formula.
Concentration of a solution.
Molarity 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
student book

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

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

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

THE MOLE

Stoichiometry of a chemical reaction.
Stoichiometric equations.

By the end of the lesson, the learner should be able to:
To determine mole ratio of given reactions.

Group experiments: - Determine masses, hence moles of reacting CuSO4 solution and iron metal.

CuSO4 solution and iron metal.
student book

K.L.B. BK III
P. 56
Longhorn Book III PP 87-92

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

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

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

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

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

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

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

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

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

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

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

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

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

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

NITROGEN & ITS COMPOUNDS.

Isolation of nitrogen from air.
Industrial production of nitrogen.

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.
charts

K.L.B. BK III
PP. 134-135

Longhorn Book
P 186

NITROGEN & ITS COMPOUNDS.

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 lab preparation of nitrogen.
State physical and chemical properties of nitrogen.


List down uses of nitrogen.

Teacher demonstration:
Students? record observations made from tests on the gas.
Writing equations of reactions.
Discussion and writing equations.

Ammonium chloride, sodium nitrate
charts

K.L.B. BK III
P. 137

Longhorn
Book III
P 190-1

K.L.B. BK III
P. 138

Longhorn
Book III
PP 191-2

NITROGEN & ITS COMPOUNDS.

Nitrogen (I) oxide. Lab preparation.
Properties and uses of Nitrogen (I) oxide.

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.
charts

K.L.B. BK III
PP. 139-141

Longhorn
Book III
PP 195-6

NITROGEN & ITS COMPOUNDS.

Nitrogen (II) oxide. Lab preparation.

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.

K.L.B. BK III
P. 142
Longhorn
Book III
PP 200-1

NITROGEN & ITS COMPOUNDS.

Properties of the gas.
Nitrogen (1V) oxide Lab preparation.

By the end of the lesson, the learner should be able to:
To list down physical properties of nitrogen (II) oxide
To describe chemical properties of nitrogen (11) oxide

Q/A: Deductions from tests carried out.
Discussion of chemical properties and writing of equations.
Carry out a confirmatory test for the presence of the gas.

charts
Conc. nitric acid, copper turnings.

K.L.B.
BK III
P. 143

Longhorn
Book III
PP 192-200

NITROGEN & ITS COMPOUNDS.

Properties of Nitrogen (IV) oxide.
Ammonia. Lab preparation of ammonia.
Properties of ammonia.

By the end of the lesson, the learner should be able to:
To list down physical properties of nitrogen (IV) oxide
To describe chemical properties of nitrogen (IV) oxide
To state uses of nitrogen (1V) oxide.
To describe lab preparation of ammonia

Deduce physical properties from the table of observations.
To describe chemical properties from the table of observations.
Discuss uses of nitrogen (1V) oxide.





Q/A: Structure of ammonia.
Group experiments: Preparation of ammonia.
Tests on the gas.

charts
Ca(OH)2, NH4Cl Solutions, CaO, litmus papers..M THREE CHEMISTRY TERM TWO 20....
charts

K.L.B. BK III
PP. 144-147

Longhorn
Book III
P 204









K.L.B. BK III
PP. 147-148

NITROGEN & ITS COMPOUNDS.

Solubility of ammonia.

By the end of the lesson, the learner should be able to:
To describe an experiment to determine solubility of ammonia.

Teacher demonstration.

Discussion.

charts

K.L.B. BK III
P. 150

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

NITROGEN & ITS COMPOUNDS.

Ionic equations of above reactions.
Burning ammonia in the air.

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
Conc. Ammonium solution
Hot platinum rod
Oxygen.

K.L.B. BK III
P.154

Longhorn BK III
P 223

NITROGEN & ITS COMPOUNDS.

Reaction of ammonia with copper (II) Oxide.

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.

K.L.B.
BK III
P. 158

NITROGEN & ITS COMPOUNDS.

Haber process.
Uses of ammonia.
Nitric acid. Lab preparation.
Nitric acid Industrial manufacture.

By the end of the lesson, the learner should be able to:
Identify raw materials for Haber process and how they are obtained in large scale.
Discuss the Haber process.
Represent Haber process in a schematic diagram.

To describe lab preparation of nitric acid.

Discussion and explanations.
Teacher demonstration.
Write equations of reaction.
Discussion.

Chart- schematic diagram.
charts
Retort stand
Conc. H2SO4
KNO3
Chart
Schematic diagram.

K.L.B. BK III
PP. 159-160
225-226
K.L.B. BK III
P. 163

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

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

NITROGEN & ITS COMPOUNDS.

Reaction of dil. nitric acid with hydrogen carbonates.

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.

K.L.B. BK III
P. 167

NITROGEN & ITS COMPOUNDS.

Dilute nitric acid and metal hydroxides and oxides.
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:
Predict results of reacting dilute nitric acid with metal hydroxides and oxides.
Describe reactions of nitric acid as an oxidizing agent.

Group experiments & writing equations for the reactions.
Class experiments: -
Explain observations made.

Metal hydroxides.
Nitric acid acidified iron sulphate, sulphur, and copper metal.
charts

K.L.B. BK III
P. 168

Longhorn
Book III
PP 238-240

K.L.B. BK III
PP. 169-170

Longhorn Book III
PP 239 -240

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

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

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