← Back to Chemistry

Chemistry · Combined Science

Rate and Extent of Chemical Change

Spec 4.6 Paper 2 📙 Higher

Subtopics

Rate of Reaction and CalculationsSpec 5.6.1.1Define rate of reaction and calculate it from experimental data. + Factors Affecting the Rate of ReactionSpec 5.6.1.2Describe and explain how temperature, concentration, surface area and pressure affect reaction rate. + Collision Theory and Activation EnergySpec 5.6.1.3Explain collision theory and how activation energy determines whether a reaction occurs. + CatalystsSpec 5.6.1.4Describe how catalysts work, give examples and explain their industrial importance. + Reversible Reactions and EquilibriumSpec 5.6.2.1–5.6.2.3Describe reversible reactions and explain what is meant by dynamic equilibrium. + Effect of Changing Conditions on EquilibriumSpec 5.6.2.4–5.6.2.7Apply Le Chatelier's principle to predict how changes in concentration, temperature and pressure affect equilibrium. +

💡 Click a subtopic or the + to open the full notes, quiz and examples.

Key Equations

Rate = quantity ÷ time

⭐ Higher Tier Content

Le Chatelier's principle — temperature, pressure, concentration effects

Haber process conditions

Ask Mr Badmus AI

Got a question about Rate and Extent of Chemical Change?

I'll use FIFA for calculations and flag Higher and Triple content clearly.

📋 All Chemistry Topics

Organic Chemistry