Collision Theory and Activation Energy
Explore collision theory to explain why reactions occur and how different factors change the rate of reaction. Understand the concept of activation energy as the minimum energy required for particles to react.
About This Topic
Explore collision theory to explain why reactions occur and how different factors change the rate of reaction. Understand the concept of activation energy as the minimum energy required for particles to react.
Key Questions
- What must happen for particles to react chemically?
- How does collision theory explain the effect of temperature on reaction rates?
- What is activation energy and why is it important for chemical reactions?
Active Learning Ideas
See all activities→Activities & Teaching Strategies
See all activities
Planning templates for Chemistry
More in The Rate and Extent of Chemical Change
Calculating Rates of Reaction
Learn how to calculate the rate of a chemical reaction using the quantity of reactant used or product formed over time. Interpret graphs showing the rate of reaction to determine how the speed changes as the reaction progresses.
8 methodologies
Factors Affecting Reaction Rates
Investigate how temperature, concentration, pressure, and surface area influence the speed of chemical reactions. Understand the practical implications of these factors in laboratory and industrial settings.
8 methodologies
Catalysts and How They Work
Discover how catalysts speed up chemical reactions without being used up in the process. Examine how catalysts lower the activation energy by providing an alternative reaction pathway.
8 methodologies
Reversible Reactions and Energy Changes
Understand that some chemical reactions are reversible and can proceed in both forward and backward directions. Learn how energy changes in reversible reactions are related to the direction of the reaction.
8 methodologies
Dynamic Equilibrium
Learn about dynamic equilibrium in closed systems where reactants and products cannot escape. Understand that at equilibrium, the forward and reverse reactions occur at the exact same rate.
8 methodologies
Le Chatelier's Principle
Apply Le Chatelier's Principle to predict how changes in concentration, temperature, and pressure affect the position of equilibrium. Evaluate how these principles are used to maximise yields in industrial chemistry.
8 methodologies