In this lesson, you will learn about reversible reactions and how to approach them from either the forward or reverse direction. You will also learn how to write the equilibrium law expression and calculate the equilibrium constant K.
By the end of this lesson, students should be able to:
- explain the concept of dynamic equilibrium using examples of physical and chemical equilibrium systems.
- identify common equilibrium constants.
- write equilibrium law expression for both homogeneous and heterogeneous phase equilibrium systems.
- calculate value of the equilibrium constant, K, using concentrations of reactants and products for a reaction at equilibrium and also calculate the equilibrium constant for a reverse reaction form the equilibrium constant of the forward reaction.
Let’s start by examining the Concept of Equilibrium and the Law of Mass Action (a.k.a Law of Chemical Equilibrium). Please take notes as you watch and listen to the video lesson below.
In order to fully understand the differences between homogeneous and heterogeneous phase equilibria as well as to how chemists calculate the value of the K constant, please watch the video lesson below.
In order to become proficient in writing equilibrium law expressions and how to calculate the equilibrium constant. Please answer the problems in the worksheet below in a separate piece of paper. Next check your answers against the answer key at the bottom of this worksheet. All the best.
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