Answered: What is the reaction order and velocity…

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter20: Kinetics

Section: Chapter Questions

Problem 20.7E: Consider the chemical reaction A+B+Cproducts Determine the order with respect to A,B,andC, and...

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What is the reaction order and velocity constant and how are they determined from experimental data

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Order of a reaction : in a chemical reaction with the concentrations of the reacting substances : the sum of all the exponents of the terms expressing concentrations of the molecules or atoms determining the rate of the reaction.

for example : 2A + B $\to$ 3C

order = k[A]²[B]¹

= 2+1

= 3

determination of order from the experimental data:

the most common way to determine the order of a reaction by initial rate method.

in this method, the initial rate is measured by running a reaction several times with different initial reactant concentrations to determine the effect of the concentration on the rate.

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