Learning objective
Explain that increasing concentration 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 concentration 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 concentration usually increases reaction rate.
- The key ideas to know are concentration 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 concentration usually increases reaction rate?
Direct answer
In Chemistry, this page helps you answer questions about increasing concentration 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 concentration and reaction rate.
Key terms
- concentration: The amount of a substance in a given volume of solution, affecting the rate of 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.
- 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
Misunderstanding Concentration Effects: To fix this, remember that increasing concentration usually increases the number of particles in a given volume, leading to more frequent collisions and a faster reaction rate.
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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