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Significance of the Equilibrium Constant

A Kc values of 1 indicates a position of equilibrium halfway between reactants and products.The larger the value of Kc the further the position of equilibrium lies to the right and the greater the concentration of products compared to reactants.A Kc value >1 indicates a position of equilibrium towards the products(to the right).A Kc value < 1 indicates a position of equilibrium towards the reactants (to the left).

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Specification: OCR Chemistry A (H032), AS-level, 3.2.3 Chemical equilibrium. Topic: Equilibrium.

Key terms in this lesson

Equilibrium constant
A value, Kc, that expresses the relative concentrations of products and reactants at equilibrium for a reaction.
Position of equilibrium
The relative amounts of reactants and products present when a reversible reaction has reached equilibrium.

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