Chemistry A-Level
Stoichiometric change at equilibrium
What Stoichiometric change at equilibrium means in Chemistry A-Level, as defined for OCR.
Definition of Stoichiometric change at equilibrium
Check what you remember
Read the wording for your board, then hide it and explain Stoichiometric change at equilibrium in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The change in each species is in proportion to its coefficient in the equation, so each change is scaled by the coefficient in the balanced equation.
Topics that use Stoichiometric change at equilibrium
- 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 Stoichiometric change at equilibrium in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge