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Magnitude of the rate constant calculation?
A first order reaction is found to have a pre-exponential or 'frequency factor' A of 1*1012 s-1. The activation energy for the reaction is 72 kJ mol-1. Calculate the magnitude of the rate constant for the reaction at 298K.
1 Answer
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- Dr WLv 75 years ago
from the Arrhenius equation
.. k = Ao exp(-Ea / RT)
where
.. Ao = 1x10^12 / sec
.. Ea = 72000 J/mol
.. R = 8.314 J/molK
.. T = 298K
get your calculator out!
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