A dimerization 2A -> A2 a half-life of 666 s. This somewhat surprising result is explained by postulating the following mechanism: A2 is found to be first order, with A --(k1)-->A* A* +A --(k2)--> A2 where k2 >> k1. (a) What is the value for the rate constant k1? (b) If the initial concentration of A is 0.05 M, how much time is required to reach [A] = 0.0125 M?

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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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A dimerization 2A -> A₂ a half-life of 666 s. This somewhat surprising result is explained by postulating the following mechanism: A2 is found to be first order, with A --(k1)-->A* A* +A --(k2)--> A₂ where k2 >> k1. (a) What is the value for the rate constant k1? (b) If the initial concentration of A is 0.05 M, how much time is required to reach [A] = 0.0125 M?

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