Quenching and sampling
What Quenching and sampling means in Chemistry A-Level, as defined for OCR.
Definition of Quenching and sampling
Check what you remember
Read the wording for your board, then hide it and explain Quenching and sampling in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Withdrawing a small aliquot and stopping the reaction quickly so that the equilibrium composition is fixed before measurement.
Topics that use Quenching and sampling
- 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 Quenching and sampling in the exam
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