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Dispersive Kinetics

Author: A Plonka
Publisher: Dordrecht : Springer Netherlands, 2001.
Edition/Format:   eBook : Document : EnglishView all editions and formats
Database:WorldCat
Summary:
Dynamical processes in which many timescales coexist are called dispersive. The rate coefficients for dispersive processes depend on time. In the case of a chemical reaction, the time dependence of the rate coefficient, k(t), termed the specific reaction rate, is rationalized in the following way. Reactions by their very nature have to disturb reactivity distributions of the reactants in condensed media, as the more  Read more...
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Genre/Form: Electronic books
Additional Physical Format: Print version:
Material Type: Document, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: A Plonka
ISBN: 9789401596589 9401596581
OCLC Number: 851367250
Description: 1 online resource (ix, 234 pages)
Contents: 1. Chapter 1. Introduction --
2. Chapter 2. Phenomenological approach to dispersive kinetics --
3. Chapter 3. Approximation of classical kinetics --
4. Chapter 4. Kinetics in condensed media --
5. References --
6. Subject index.
Responsibility: by Andrzej Plonka.
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Abstract:

Dynamical processes in which many timescales coexist are called dispersive. The rate coefficients for dispersive processes depend on time. In the case of a chemical reaction, the time dependence of the rate coefficient, k(t), termed the specific reaction rate, is rationalized in the following way. Reactions by their very nature have to disturb reactivity distributions of the reactants in condensed media, as the more reactive species are the first ones to disappear from the system. The extent of this disturbance depends on the ratio of the rates of reactions to the rate of internal rearrangements (mixing) in the system restoring the initial distribution in reactivity of reactants. If the rates of chemical reactions exceed the rates of internal rearrangements, then the initial distributions in reactant reactivity are not preserved during the course of reactions and the specific reaction rates depend on time. Otherwise the extent of disturbance is negligible and classical kinetics, with a constant specific reaction rate, k, termed the reaction rate constant, may be valid as an approximation. In condensed media dispersive dynamical processes are endemic and this is the first monograph devoted to these processes.

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From the reviews of the first edition: "The author presents the present status of the theory and practice of dispersive kinetics. The book is written at the level of graduate students or specialized Read more...

 
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