Dynamic Equilibria

Chemistry: IB Diploma Higher Level, topic 5.5.2

Dynamic Equilibrium

If a reversible reaction happens in a closed system, a dynamic equilibrium will eventually be reached.

Closed system

Closed system

  • A closed system is a system where reactants and products can neither be added nor removed.
Dynamic equilibrium

Dynamic equilibrium

  • At dynamic equilibrium, the rate of the forward reaction equals the rate of the backward reaction.
  • The equilibrium is dynamic because both the forward and backward reactions are still taking place.

Test yourself on Dynamic Equilibria

  • What do we call a system in which reactants and products can neither be added nor removed?

  • Why is chemical equilibrium described as dynamic?

  • Which word describes this type of chemical equilibrium?

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