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    Chemistry GCSE

    Endothermic and exothermic reactions

    What Endothermic and exothermic reactions means in Chemistry GCSE, as defined for AQA.

    Definition of Endothermic and exothermic reactions

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    Reference: AQA

    When temperature is increased, the system absorbs the extra heat by favouring the endothermic direction, while for an exothermic reaction the relative amount of products at equilibrium decreases.
    AQA · The effect of temperature changes on equilibrium (HT only) (study guide)

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