Learning objective
Explain that increasing temperature usually increases reaction rate.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Rate of reaction
Subtopic
Factors which affect rates of chemical reactions
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Quick explanation
Explain that increasing temperature usually increases reaction rate
- This point belongs to Rate of reaction, especially Factors which affect rates of chemical reactions.
- You need to be able to explain that increasing temperature usually increases reaction rate.
- The key ideas to know are temperature and rate.
- 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 Factors which affect rates of chemical reactions to exam-style questions, flashcards, and revision notes for Rate of reaction.
Quick student answer
Why does increasing temperature usually increases reaction rate?
Direct answer
In Chemistry, this page helps you answer questions about increasing temperature usually increases reaction rate 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 temperature and reaction rate.
Key terms
- temperature: A measure of the average kinetic energy of particles, which affects the rate of chemical reactions. 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.
- reaction rate: The speed at which reactants are converted into products in a chemical reaction. 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
Temperature effect misinterpreted: Explain that while higher temperature generally increases reaction rate by providing more kinetic energy and higher collision frequency, it can also shift equilibria or favour reverse reactions in some cases. Clarify that the temperature dependence of the rate is described by the Arrhenius equation and that the effect is not universal for all reactions.
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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