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Effect of Changing the Concentration on the Position of Equilibrium

OCR AS-level ChemistryEquilibriumLesson 3 of 10

If the concentration of the reactants is increased the equilibrium will shift to the right. More collisions will take place between the molecules of the reactants and the rate of the forward reaction will increase so more products will form. The concentration of the reactants will decrease until the rate of the forward reaction once again equals the rate of the reverse reaction and equilibrium is re-established.

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Key terms in this lesson

Position of equilibrium
The relative amounts of reactants and products present when a reversible reaction has reached equilibrium.

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