Equilibrium constant Kc
What Equilibrium constant Kc means in Chemistry A-Level, as defined for AQA, OCR.
Definitions of Equilibrium constant Kc
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Reference: OCR
Depends only on temperature for a given reaction, being the ratio of product concentrations to reactant concentrations, each raised to its stoichiometric power.
The ratio of equilibrium product concentrations to equilibrium reactant concentrations, each raised to its balanced-equation power, at a fixed temperature.
Topics that use Equilibrium constant Kc
- Chemical equilibria and Le Chatelier's principle (AQA A-Level)
- How far? (OCR A-Level)
Related terms
- Le Chatelier's principle
- closed system
- compromise pressure
- compromise temperature
- constant concentrations
- Constant temperature and constant titre
- Conversion between moles, concentration and partial pressure
- Determination of units by unit cancellation
Using Equilibrium constant Kc in the exam
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