Learning objective
Explain that increasing temperature increases the proportion of particles with energy equal to or greater than activation energy.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Rate of reaction
Subtopic
Collision theory and activation energy
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Quick explanation
Explain that increasing temperature increases the proportion of particles with energy equal to or greater than activation energy
- This point belongs to Rate of reaction, especially Collision theory and activation energy.
- You need to be able to explain that increasing temperature increases the proportion of particles with energy equal to or greater than activation energy.
- The key ideas to know are activation energy and temperature.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Collision theory and activation energy to exam-style questions, flashcards, and revision notes for Rate of reaction.
Quick student answer
How do you explain increasing temperature increases the proportion of particles with energy equal to or greater than activation energy?
Direct answer
In Chemistry, this page helps you answer questions about increasing temperature increases the proportion of particles with energy equal to or greater than activation energy within Rate of reaction. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are activation energy and collision frequency.
Key terms
- activation energy: The minimum energy needed for particles to react. In AQA GCSE Chemistry 8462, use this term specifically when explaining rate of reaction, collision theory, reversible reactions, equilibrium, catalysts, graph gradients, or Le Chatelier's principle.
- collision frequency: The rate at which particles collide with each other in a given time. In AQA GCSE Chemistry 8462, use this term specifically when explaining rate of reaction, collision theory, reversible reactions, equilibrium, catalysts, graph gradients, or Le Chatelier's principle.
Common trap
Misunderstanding Activation Energy: Emphasize that increasing temperature not only increases particle speed but also increases the number of particles with sufficient energy to react, thus raising the proportion of particles with energy equal to or greater than the activation energy.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Define rate of reaction as the speed at which reactants are used up or products are formed.
Calculating rates of reactions
- Calculate mean rate of reaction using quantity of reactant used divided by time taken. (MS 1a)
Calculating rates of reactions
- Calculate mean rate of reaction using quantity of product formed divided by time taken. (MS 1a)
Calculating rates of reactions
- Use units such as g/s, cm3/s or mol/s for rate of reaction calculations.
Calculating rates of reactions
- Interpret rate data from tables and graphs.
Calculating rates of reactions