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    Chemistry GCSE

    Endothermic

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

    Definitions of Endothermic

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    Reference: AQA

    A reaction that takes in energy and lowers the temperature, such as thermal decomposition of calcium carbonate.
    AQA · Atoms, elements and compounds (study guide)
    Described by a positive overall energy change, meaning the reaction is endothermic overall.
    AQA · The energy change of reactions (HT only) (study guide)

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