To succeed in this topic, you need to:

  • Be familiar with equilibrium reactions and the construction of equilibrium expressions.
  • Be familiar with Le Chatelier’s Principle in describing dynamic equilibrium in a closed system.
  • Be familiar with examples of chemical equilibria in: solution, gases, and weak acids.

After working through this Chemistry Factsheet, you will:

  • Be able to describe the different examples of the equilibrium constant for different chemical equilibrium, for example: Kc, Kp, Ka, Kw, Ksol and Kstab.
  • Be able to use equilibrium expressions and equilibrium constants to complete quantitative calculations involving components in chemical equilibrium.
  • Be able to explain, using Le Chatelier’s Principle, outcomes of changing conditions of a dynamic equilibrium, and this applies to the reaction quotient, Q.
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Publication Date

September 2021


ISSN: 1351-5136

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331 Equilibrium Constants

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