Learning objective
Use Le Chatelier's principle to predict the effect of temperature changes.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
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Questions
Topic
Chemical equilibria, Le Chatelier's principle and Kc
Subtopic
Equilibrium and Le Chatelier's principle
Study support
Understand this objective
Quick explanation
Use Le Chatelier's principle to predict the effect of temperature changes
- This point belongs to Chemical equilibria, Le Chatelier's principle and Kc, especially Equilibrium and Le Chatelier's principle.
- You need to be able to use Le Chatelier's principle to predict the effect of temperature changes.
- The key ideas to know are Le Chatelier and temperature.
- 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 Equilibrium and Le Chatelier's principle to exam-style questions, flashcards, and revision notes for Chemical equilibria, Le Chatelier's principle and Kc.
Quick student answer
What will happen to the position of equilibrium when the temperature of an exothermic reaction is increased?
Direct answer
The equilibrium shifts to the left.
Key terms
- Exothermic Reaction: A reaction that releases heat to the surroundings, resulting in an increase in temperature of the surroundings.
- Dynamic Equilibrium: A state in which the rates of the forward and reverse reactions are equal, leading to constant concentrations of reactants and products.
Common trap
Confusing Endothermic and Exothermic: Remember that increasing temperature favors endothermic reactions (shifts right) and decreases Kc for exothermic reactions.
Related questions
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Flashcard prompts
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Revision tools
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Define dynamic equilibrium in a closed system.
Equilibrium and Le Chatelier's principle
- Use Le Chatelier's principle to predict the effect of concentration changes.
Equilibrium and Le Chatelier's principle
- Use Le Chatelier's principle to predict the effect of pressure changes.
Equilibrium and Le Chatelier's principle
- Explain why catalysts do not change the position of equilibrium.
Equilibrium and Le Chatelier's principle
- Construct Kc expressions for homogeneous equilibria.
Equilibrium constant Kc