Urease is an enzyme that catalyzes the decomposition of urea to ammonia and carbon dioxide. The rate constant for the uncatalyzed reaction is 4.0* 10-11/s at 22°C. Urease increases the rate constant to a value of 8.0 *10-5/s. Use the Arrhenius equation, which is given below, to determine the difference in the activation energies Euncatalyzed - Ecatalyzed. (R = 8.315 J / (mol K))
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