Kinetic data and their interpretation - Interpretation of rate constants

3 important questions on Kinetic data and their interpretation - Interpretation of rate constants

What are useful parameters to elucidate reaction mechanisms?

Activation energy and Gibbs free energy. Both yield a relation between rate constant, energy difference and reaction temperature.

What is the Arrhenius equation?

k(obs) = A * exp (-Ea/(RT))

How can Ea be determined?

By measuring the rate constant at two different temperatures.

k1/k2 = exp (-Ea/R (1/T1 - 1/T2))

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