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The Effect of Temperature on Kc

Kc is the equilibrium constant for a particular reaction at a particular temperature. Kc only changes with temperature. It is the ratio of concentration of products ÷ reactants. An increase in temperature shifts the position of equilibrium in the endothermic direction. A decrease in temperature shifts the position of equilibrium in the exothermic direction

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Specification: OCR Chemistry A (H432), A-level, 5.1.2 How far?. Topic: Equilibria.

Key terms in this lesson

equilibrium constant Kc
The value, at a given temperature, of the equilibrium expression written in terms of the concentrations of reactants and products.

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