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1. Consider the Ist order reactions approaching equilibrium, A = B. The rate constants of forward and reverse reactions are kf and kr, respectively. Initially, there is no substance B and the initial concentration of A is [A]o. The following relation hold between forward and reverse rate constants, k, = 2k,. a. What is the equilibrium concentration of A and B? b. When the concentration of A becomes 1/2[A],? c. If k, = 2kf, is it possible that the concentration of A reaches to 1/2[A],? If not, explain why.

1. Consider the Ist order reactions approaching equilibrium, A = B. The rate constants of forward and reverse reactions are kf and kr, respectively. Initially, there is no substance B and the initial concentration of A is [A]o. The following relation hold between forward and reverse rate constants, k, = 2k,. a. What is the equilibrium concentration of A and B? b. When the concentration of A becomes 1/2[A],? c. If k, = 2kf, is it possible that the concentration of A reaches to 1/2[A],? If not, explain why.

Introduction to Chemical Engineering Thermodynamics
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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1. Consider the Ist order reactions approaching equilibrium, A = B. The rate constants of forward and reverse reactions are kf and kr, respectively. Initially, there is no substance B and the initial concentration of A is [A]o. The following relation hold between forward and reverse rate constants, k, = 2kr. a. What is the equilibrium concentration of A and B? b. When the concentration of A becomes 1/2[A]o? c. If k, 2kf, is it possible that the concentration of A reaches to 1/2[A],? If not, explain why.
Transcribed Image Text:1. Consider the Ist order reactions approaching equilibrium, A = B. The rate constants of forward and reverse reactions are kf and kr, respectively. Initially, there is no substance B and the initial concentration of A is [A]o. The following relation hold between forward and reverse rate constants, k, = 2kr. a. What is the equilibrium concentration of A and B? b. When the concentration of A becomes 1/2[A]o? c. If k, 2kf, is it possible that the concentration of A reaches to 1/2[A],? If not, explain why.
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