Learning objective
Explain that a catalyst pathway has a lower activation energy.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Rate of reaction
Subtopic
Catalysts
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Quick explanation
Explain that a catalyst pathway has a lower activation energy
- This point belongs to Rate of reaction, especially Catalysts.
- You need to be able to explain that a catalyst pathway has a lower activation energy.
- The key ideas to know are catalyst and activation energy.
- 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 Catalysts to exam-style questions, flashcards, and revision notes for Rate of reaction.
Quick student answer
What is a catalyst pathway has a lower activation energy?
Direct answer
In Chemistry, this page helps you answer questions about a catalyst pathway has a lower 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 catalyst and activation energy.
Key terms
- catalyst: A substance that changes the rate of a chemical reaction but is not used up. 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.
- 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.
Common trap
Misunderstanding Catalyst Function: Remember that a catalyst is not used up in a reaction; it changes the rate of the reaction by providing an alternative pathway with lower 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