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Arrhenius Equation question ?

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For a certain reaction the rate constant doubles when the temperature increases from 15oC to 25oC. Calculate the activation energy.

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  1. k1=Ae^E/RT1

    k2=Ae^E/Rt2

    k1/k2=e^(E/R)(-1/T1+1/T2)

    ln(k1/k2)=(E/R)[(T2-T1)/T1T2]

    remember T's are in K; r=1.987

    Plug and solve.

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