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    Chemistry A-Level

    Enthalpy change of neutralisation

    What Enthalpy change of neutralisation means in Chemistry A-Level, as defined for OCR.

    Definitions of Enthalpy change of neutralisation

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    Reference: OCR

    For strong acid with strong base it is about −57.1 kJ mol⁻¹ because the reaction is essentially H⁺ + OH⁻ → H₂O.
    OCR · Acids, bases and buffers
    The enthalpy change when an acid and a base react in aqueous solution to form one mole of water.
    OCR · Enthalpy changes

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