6. L- A + S AS where reaction constants are ka and k.a. AS + A - A surface-catalyzed reaction follows Rideal-Eley kinetics as follows: A2 + S where reaction constant is k1. Where A and Az are in the gas phase, S is a reactive site on the surface, and AS is a molecule of A adsorbed to a reactive site. Assuming that: • adsorption of A is at rapid equilibrium • reaction of AS with A is rate-limiting • desorption of A2 is very rapid Derive the steady-state rate law for production of A2 as a function of the concentration of A and the total initial reactive site density So .
6. L- A + S AS where reaction constants are ka and k.a. AS + A - A surface-catalyzed reaction follows Rideal-Eley kinetics as follows: A2 + S where reaction constant is k1. Where A and Az are in the gas phase, S is a reactive site on the surface, and AS is a molecule of A adsorbed to a reactive site. Assuming that: • adsorption of A is at rapid equilibrium • reaction of AS with A is rate-limiting • desorption of A2 is very rapid Derive the steady-state rate law for production of A2 as a function of the concentration of A and the total initial reactive site density So .
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:A surface-catalyzed reaction follows Rideal-Eley kinetics as follows:
6. L-
A + SO AS where reaction constants are ka and k.A.
AS + A → A2 + S where reaction constant is k1.
Where A and A2 are in the gas phase, S is a reactive site on the surface, and AS is a
molecule of A adsorbed to a reactive site. Assuming that:
• adsorption of A is at rapid equilibrium
• reaction of AS with A is rate-limiting
• desorption of A2 is very rapid
Derive the steady-state rate law for production of A2 as a function of the concentration of
A and the total initial reactive site density So .
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