The desorption of a single molecular layer of n -butane
Chapter 13, Problem 95E(choose chapter or problem)
Problem 95E
The desorption of a single molecular layer of n -butane from a single crystal of aluminum oxide is found to be first order with a rate constant of 0.128/s at 150 K.
a. What is the half-life of the desorption reaction?
b. If the surface is initially completely covered with n -butane at 150 K, how long will it take for 25% of the molecules to desorb? For 50% to desorb?
c. If the surface is initially completely covered, what fraction will remain covered after 10 s? After 20 s?
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