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Kinetics of Chemical Reaction with an Intermediate Product


	This Demonstration shows a simulation of the time course of differential rate equations. The ordinate denotes concentration in mmol/L and the abscissa denotes time in seconds. The maximum time of reactions is , and are the association rate constants, is the dissociation rate constant, and are the initial concentrations of reactants and at time . The pie chart shows concentrations at time in percentage terms.


	Contributed by: Vladimir Gantovnik and Cynthia Gibas (University of North Carolina at Charlotte, Department of Bioinformatics & Genomics)

After work by I. Chorkendorff and J. W. Niemantsverdriet, Concepts of Modern Catalysis and Kinetics, Weinheim: Wiley-VCH, 2003.

These reactions present the simplest possible reaction in heterogeneous catalysis:

where

and

are the reactants,

is the intermediate product,

is the final product,

and

are the association rate constants, and

is the dissociation rate constant. The system of differential equations has the following form:

where

, and

are the concentrations of

, and

, respectively. Initial conditions at time

are

Contributed by: Vladimir Gantovnik and Cynthia Gibas (University of North Carolina at Charlotte, Department of Bioinformatics & Genomics)

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