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    Chemistry A-Level

    Effect of concentration, pressure, temperature and catalysts

    What Effect of concentration, pressure, temperature and catalysts means in Chemistry A-Level, as defined for OCR.

    Definition of Effect of concentration, pressure, temperature and catalysts

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    Reference: OCR

    Raising concentration or pressure increases collision frequency, raising temperature also increases the proportion of particles with energy at or above the activation energy, and a catalyst lowers the activation energy.
    OCR · Reaction rates

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