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Equilibria & Le Chatelier
Physical
AS
Equilibria & Le Chatelier
AQA Content
use Le Chatelier’s principle to predict qualitatively the effect of changes in temperature, pressure and concentration on the position of equilibrium
explain why, for a reversible reaction used in an industrial process, a compromise temperature and pressure may be used.
Specification Notes
Many chemical reactions are reversible.
In a reversible reaction at equilibrium:
forward and reverse reactions proceed at equal rates
the concentrations of reactants and products remain constant
Le Chatelier’s principle.
Le Chatelier's principle can be used to predict the effects of changes in temperature, pressure and concentration on the position of equilibrium in homogeneous reactions.
A catalyst does not affect the position of equilibrium.
Notes
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