CAIE A-Level Chemistry 7.1.2 Le Chatelier’s Principle
Practise stating Le Chatelier’s principle and using it to explain how an equilibrium opposes an imposed change.
- Syllabus
- 2028–2030
- Course
- Chemistry 9701
- Level
- AS
Exam points
- state that a system at dynamic equilibrium shifts its equilibrium position to minimise an imposed change
- identify the changed condition first, then explain which direction consumes the added component or energy
- distinguish adding an inert gas at constant volume from changing the reacting gases’ partial pressures
7.1.2—Le Chatelier’s principle as: if a change question 1
[Maximum number: 2]
Define Le Chatelier's principle.
M1 (if a change in conditions occurs) the equilibrium shifts
M2 to minimise the change in conditions
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