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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Reversible reactions and equilibrium

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Reversible reactions and equilibrium

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Paper 4Theory (Extended)3 marks

A reversible reaction is at equilibrium. The temperature is increased.

Description

Effect of Temperature Change

Discuss the effect of this temperature change on the position of equilibrium.

  1. a

    Explain How does increasing the temperature affect the position of equilibrium in an exothermic reaction?

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Reversible reactions and equilibrium

Paper 4Theory (Extended)1 marks

Description

Equilibrium Reaction

The reaction is at equilibrium at a certain temperature and pressure. Changes are made to the system.

  1. a

    State What effect does increasing the pressure have on the position of equilibrium?

    Aim for approximately 1 distinct marking point.

    [1]