Dynamic Equilibrium: A level Chemistry Definition
Written by: Alexandra Brennan
Reviewed by: Philippa Platt
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What is dynamic equilibrium?
Dynamic equilibrium occurs in a reversible reaction when the forward and reverse reactions take place at the same rate, resulting in no overall change in the concentrations of reactants and products. This state is only achieved in a closed system, where no substances can enter or leave.
Le Chatelier’s Principle is used to predict how changes in conditions (temperature, pressure, or concentration) affect the equilibrium position. Altering the position of the equilibrium can change the yield of reactants or products. Understanding dynamic equilibrium is essential in A Level Chemistry, particularly in topics like chemical kinetics, industrial processes (e.g. the Haber process), and acid-base equilibria.
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