Validity of the Quasi-Stationary-State Approximation in the Case of Two Successive Reversible First-Order Reactions

V. Viossat and R. I. Ben-Aim
Laboratoire de Chimie des Surfaces, Université Pierre et Marie Curie, Paris, France
J. Chem. Educ., 1998, 75 (9), p 1165
DOI: 10.1021/ed075p1165
Publication Date (Web): September 1, 1998
History, Education, and Documentation

Abstract

This paper finds the conditions for the validity of the quasi-stationary-state approximation (QSSA) by the study of factor DSS (deviation from the quasi-stationary state) versus time for the mechanism A <=> B <=> C and treats the mechanisms A <=> B â’> C and A â’> B -> C as particular cases. We propose a methodology to determine if and when the QSSA can be applied to the three mechanisms.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Subject):

Kinetics
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  • Received: August 03, 2009

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