AS Level Chemistry Masterclasses

Revise AS chemistry with these online exam masterclasses. 10 classes include topic checklists, revision materials, videos, practice questions and an hour long class focused on exam technique and challenging applications.

Atomic structure and the periodic table

Calculations 1: Gas Volumes

Calculations 2: Titrations and solution calculations

Calculations involving solutions and titrations, including some more challenging examples with walkthroughs.

Lessons

Topic checklist Practice questions and answers Video: back titrations More challenging titration questions Exam masterclass recording

Bonding, structure and intermolecular forces

Energetics 1

Calculating enthalpy changes from experiment, bond energy calculations, enthalpy change definitions and Hess cycles.

Lessons

Topic Checklist Video: enthalpy change experiments Video: enthalpy change definitions Practice questions and answers Exam masterclass recording

Acids, Bases and Chemical Equations

Common reactions of acids and bases, how to distinguish from redox reactions and constructing and balancing common chemical equations and ionic equations.

Lessons

Topic checklist Video: types of reaction Video: ionic equations Video: redox and half-equations Practice questions and answers Exam masterclass recording

Redox 1

The first redox topic at A Level – covering balancing half equations, definitions of redox and some group chemistry

Lessons

Topic Checklist Long answer walkthrough: reactions of halogens Video: redox half equations Video: testing for anions Practice questions and answers Exam masterclass recording

Organic Mechanisms 1

The mechanisms covered in the first year of A Level – free radical substitution, electrophilico addition and nucleophilic substitution

Lessons

Topic checklist Practice questions and answers Videos: reaction mechanisms Video: elimination reactions Video: oxidation of alcohols Exam masterclass recording

Organic analysis 1

Kinetics and Equilibria 1

The kinetics and equilibria covered in the AS syllabus – collision theory, Maxwell Boltzman graphs, Le Chatelier’s Principle and simple Kc calculations.

Lessons

Topic checklist Notes on kinetics Notes on equilibria Practice questions and answers Exam masterclass recording

AS Level Chemistry Masterclasses