Chemistry A-Level
Homogeneous versus heterogeneous equilibria
What Homogeneous versus heterogeneous equilibria means in Chemistry A-Level, as defined for OCR.
Definition of Homogeneous versus heterogeneous equilibria
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Reference: OCR
In a homogeneous equilibrium all species are in the same phase and all appear in the expression, whereas in a heterogeneous equilibrium a pure solid or pure liquid has constant activity and is omitted.
Topics that use Homogeneous versus heterogeneous equilibria
- How far? (OCR A-Level)
Related terms
- Constant temperature and constant titre
- Conversion between moles, concentration and partial pressure
- Determination of units by unit cancellation
- Effect of temperature on equilibrium position
- Equilibrium constant
- Equilibrium constant expressions for Kc and Kp
- Equilibrium constant Kc
- Equilibrium expressions from balanced equations
Using Homogeneous versus heterogeneous equilibria in the exam
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