Chemistry A-Level
equal effect on both directions
What equal effect on both directions means in Chemistry A-Level, as defined for AQA.
Definition of equal effect on both directions
Check what you remember
Read the wording for your board, then hide it and explain equal effect on both directions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A catalyst lowers the activation energy of the forward and the reverse reactions by the same amount, so both are speeded up equally.
Topics that use equal effect on both directions
- Chemical equilibria and Le Chatelier's principle (AQA A-Level)
Related terms
- closed system
- compromise pressure
- compromise temperature
- constant concentrations
- dynamic equilibrium
- equal forward and reverse rates
- Equilibrium constant Kc
- homogeneous equilibria
Using equal effect on both directions in the exam
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