Learning objective
(HT only) Predict that decreasing reactant concentration shifts equilibrium towards reactants.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Reversible reactions and dynamic equilibrium
Subtopic
The effect of changing concentration (HT only)
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Quick explanation
(HT only) Predict that decreasing reactant concentration shifts equilibrium towards reactants
- This point belongs to Reversible reactions and dynamic equilibrium, especially The effect of changing concentration (HT only).
- You need to be able to (HT only) Predict that decreasing reactant concentration shifts equilibrium towards reactants.
- The key ideas to know are concentration, HT only, and reactant.
- 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 The effect of changing concentration (HT only) to exam-style questions, flashcards, and revision notes for Reversible reactions and dynamic equilibrium.
Quick student answer
What should you know about (HT only) Predict that decreasing reactant concentration shifts equilibrium towards reactants?
Direct answer
In Chemistry, this page helps you answer questions about (HT only) Predict that decreasing reactant concentration shifts equilibrium towards reactants within Reversible reactions and dynamic equilibrium. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are Le Chatelier's Principle and Equilibrium Shift.
Key terms
- Le Chatelier's Principle: The idea that a system at equilibrium responds to oppose an imposed change. 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.
- Equilibrium Shift: The movement of a system at equilibrium towards reactants or products in response to changes in concentration, temperature, or pressure. 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 Equilibrium Shift: Remember that according to Le Chatelier's Principle, decreasing the concentration of reactants will shift the equilibrium towards the side that produces more reactants to oppose the change.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Define a reversible reaction as a reaction in which products can react to make the original reactants.
Reversible reactions
- Identify the forward reaction and reverse reaction in a reversible reaction.
Reversible reactions
- Use the reversible reaction symbol in equations.
Reversible reactions
- Describe examples of reversible reactions such as hydrated copper sulfate and anhydrous copper sulfate.
Reversible reactions
- Describe thermal decomposition of ammonium chloride as a reversible reaction example.
Reversible reactions