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Zoom Classes
by V Gokal

DISCLAIMER: All content contained on this site is the subject of copyright under South African Law. All content is the property of EWriter Pty Ltd and its contributors. Any illegal reproduction and or distribution of this content will result in immediate legal action.

SYLLABUS: Please note that these lessons were done live on Zoom, during the 2020 Coronavirus lockdown. Some topics were covered before lockdown began and therefore only redone for revision.
We are in the process of uploading all the videos that were recorded.


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Accompanying notes included with videos where relevant.


Mechanics: Vertical Projectile Motion: R100

59min (PDFs included)
Beginning of Vertical Projectile Motion - Falling Bodies: Basic Questions
Please note Mr Gokal had finished mechanics during the live classes before Corona Virus lockdown began.
This is a trials revision class done before Trial Exams 2020.

Mechanics Revision: Vertical Projectile Motion, Momentum & Newton's Laws: R100

1Hr 31min (PDFs included)
Advanced questions of Vertical Projectile Motion
Trials Revision of Momentum and Newtons Laws
Please note Mr Gokal had finished mechanics during the live classes before Corona Virus lockdown began.
This is a revision class done before Trial Exams 2020.

Organic Chemistry - Complete Revision: R100

3Hr 27min (PDFs included)
Basics to Advanced questions.Complete Section.
Naming, reactions etc.
Please note Mr Gokal had finished Organic Chemistry during the live classes before Corona Virus lockdown began.
This is a trials revision class done before Trial Exams 2020.

Reaction Rates 1: R100

1Hr 58min (PDFs included)
Basics - Factors affecting chemical reactions. How to use Maxwell Boltzmann Graphs and calculations.

Chemical Equilibrium 1: R100

1Hr 13min (PDFs included)
Equilibrium basics including Kc calculations and how to complete equilibrium tables.

Chemical Equilibrium 2: R100

1Hr 9min
Advanced equilibrium questions and Kc calculations including graphs.

Chemical Equilibrium 3: R100

56min
Le Chatelier's Principle - factors affecting equilibrium.

Chemical Equilibrium 4: R100

1Hr 7min
Advanced questions on Kc calculations and graphs, as well as Le Chatelier's Principle.

Chemical Equilibrium 5 and Acids and Bases: R100

1Hr 9min
More advanced questions on Kc calculations and graphs, as well as Le Chatelier's Principle.
Acids and Bases (starts at 52:55)
Basics - conjugate acid base pairs. Brønsted–Lowry acid–base theory and Arrhenius theory.

Acids and Bases 1: R100

1Hr 4min (PDFs included)
Review of Brønsted–Lowry and Arrhenius theories, strong and weak acid base pairs.
Basic pH calculations.

Acids and Bases 2: R100

1Hr 8min
pH calculations basic to difficult.
Tougher questions on Acids and Bases.

Acids and Bases 3: R100

1Hr 5min
Advanced questions, including hydrolysis ad neutralization reactions (titrations)

Acids and Bases 4: R100

1Hr 1min
Revision of Acids and Bases including past exam paper questions.

Acids and Bases 5: R100

1Hr 6min
Most advanced questions. Finishing off section.

Work, Energy and Power 1: R100

1Hr 3min (PDFs included)
Basic slope questions. Beginning of the section, Work, energy and power.

Electricity 1: R100

2Hr 3min (PDFs included)
Basic questions including all calculations for parallel and series circuits, internal resistence, emf, power, energy and costing.

Electricity 2: R100

1Hr 53min (PDFs included)
Advanced questions including short circuiting and potential drop.

Electricity and Electrodynamics: R100

1Hr 58min (Electrodynamics from 21minutes) (PDFs included)
Review of Electricity.
Basic electrodynamics questions including graphs, power and RMS calculations.
Uses of motors and generators.

Electrodynamics 2: R100

1Hr 25min
Advanced questions, revision and past paper questions.

Work, Energy & Power 2: R100

1Hr 3min
Advanced slope questions.
Exemplar, prep paper, and past paper questions.

Work, Energy & Power 3: R100

2Hr 15min
Advanced questions including pendulums.

Acids and Bases Revision 1: R100

2Hr 13min (PDFs included)
Conjugate acid-base pairs, Brønsted–Lowry and Arrhenius theories, pH calculations, neutralization reactions and titrations.

Acids and Bases Revision 2: R100

2Hr 9min
Advanced questions including pH calculations, neutralization reactions and titrations.

Acids and Bases Revision 3: R100

2Hr 7min
Continuation of advanced questions including pH calculations, neutralization reactions and titrations.

Chemical Equilibrium Revision 1: R100

2Hr 20min
Revision of equilibrium basics, including Kc calculations, equilibrium tables, Le Chatelier's principle.

Chemical Equilibrium Revision 2: R100

2Hr 4min
Advanced graph questions, including Kc calculations and Le Chatelier's principle.

Chemical Equilibrium Revision 3 and Organic Chemistry: R100

2Hr 6min (Organic Chem starts at 1:53:25)
Continuation of advanced equilibrium questions, including Kc calculations, graphs and Le Chatelier's Principle.
Review of Organic Chemistry.

Paper 1 Trials Revision 1: R100

2Hr 27min (PDFs included)
Electrostatics, Gravity and Work, Energy & Power

Paper 1 Trials Revision 2: R100

3Hr 11min
Work, Energy & Power, Electrodynamics, Electricity and Electrostatics.

Paper 2 Trials Revision: R100

2Hr 20min (PDFs included)
Reactions rates, chemical change and chemical equilibrium.

Fertilizers 1: R100

2Hr 7min (PDFs included)
Entire Section, including NPK uses, sources and ratio calculations.
Industrial processes: fractional distillation, Chloralkali, Haber Process, Contact Process and Ostwald Process.

Fertilizers 2: R100

2Hr 5min
Continuation of Entire Section, including Industrial processes: fractional distillation, Chloralkali, Haber Process, Contact Process and Ostwald Process.
Over-fertilization and eutrophication. Advanced fertilizer calculations including past paper questions.

Photoelectric Effect 1: R100

2Hr 33min (PDFs included)
Entire Section, including definitions and descriptions. Calculations on work function, threshold frequency and energy calculations. Electromagnetic spectrum frequencies. Past paper questions.

Photoelectric Effect 2: R100

2Hr 17min
Continuation of Entire Section, including quick review, advanced questions on work function, threshold frequency and energy calculations. Past paper questions including kinetic energy vs frequency graph investigative questions.
Emission and Absorption spectra, energy jumps and red shift & blue shift.

Electrochemistry 1: R100

2Hr 6min (PDFs included)
REDOX - Reduction and Oxidation reactions.
Electroplating, electrolytic cells, galvanic/voltaic cells.

Electrochemistry 2: R100

2Hr 10min
Advanced questions, including calculations and cell notation.
Electroplating, electrolytic cells, galvanic/voltaic cells, sacrificial anode.

Electrochemistry 3: R100

2Hr 16min (PDFs included)
Advanced questions of electroplating, electrolytic cells, galvanic/voltaic cells.
Bauxite (aluminium) and Chloralkali industries.

Electrochemistry 4 and Paper 1 Revision: R100

2Hr 7min (1:21:30 starts Paper 1 revision)
Advanced questions on electrochemistry.
Paper 1 Revision - Newton's laws and Vertical Projectile Motion (1:21:30)

Paper 1 Finals Revision 1: R100

2Hr 17min
Electricity and Gravity.

Paper 1 Finals Revision 2: R100

2Hr 22min
Gravity, Electricity and Newton's Laws.

Paper 1 Finals Revision 3: R100

2Hr 19min
Momentum and impulse, Newton's Laws, Energy, Vertical Projectile Motion and Electricity.

Paper 1 Finals Revision 4: R100

2Hr 34min
Momentum, Vertical Projectile Motion, Energy (advanced).

Doppler Effect: R100

2Hr 21min (PDFs included)
Entire section
Work, Energy & Power advanced slope questions (1:21:41)

Paper 1 Finals Revision 5: R100

2Hr 18min
Doppler Effect, Work, Energy & Power (pendulums), Advanced Electricity.

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