Learning objective
(HT only) Predict that decreasing temperature favours the exothermic direction of a reversible reaction.
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 temperature changes on equilibrium (HT only)
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Quick explanation
(HT only) Predict that decreasing temperature favours the exothermic direction of a reversible reaction
- This point belongs to Reversible reactions and dynamic equilibrium, especially The effect of temperature changes on equilibrium (HT only).
- You need to be able to (HT only) Predict that decreasing temperature favours the exothermic direction of a reversible reaction.
- The key ideas to know are exothermic direction, temperature, and HT only.
- 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 temperature changes on equilibrium (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 temperature favours the exothermic direction of a reversible reaction?
Direct answer
In Chemistry, this page helps you answer questions about (HT only) Predict that decreasing temperature favours the exothermic direction of a reversible reaction 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 exothermic direction.
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.
- exothermic direction: The direction of a reversible reaction that releases heat when the temperature is decreased. 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 Temperature Effects: Remember that decreasing temperature favours the exothermic direction, which can lead to increased product yield, but it does not necessarily mean the reaction rate will increase.
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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