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    Chemistry A-Level

    mean energy versus tail

    What mean energy versus tail means in Chemistry A-Level, as defined for AQA.

    Definition of mean energy versus tail

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    Reference: AQA

    The rate depends on the number of molecules with energy greater than or equal to Eₐ, not on the mean, which rises by only a few per cent.
    AQA · Effect of temperature on reaction rate (study guide)

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