Chemistry A-Level
Reaction quotient
What Reaction quotient means in Chemistry A-Level, as defined for OCR.
Definition of Reaction quotient
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Reference: OCR
Compared with Kc to decide the direction of shift; increasing the concentration of a reactant makes it smaller than Kc, so the forward reaction is favoured until the ratio equals Kc again.
Topics that use Reaction quotient
- 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 Reaction quotient in the exam
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