Answered: State. explain. and justify the…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

State. explain. and justify the steady-state approximation.

Expert Solution

Step 1

The steady state approximation is applied under those condition in which all steps that involve in the reaction have the approximately same speed or it is hard to predict the slowest step. Consider the hypothetical reaction, shown below where R is the reactant, R* is the radical, and P is the product.

Step 2

In the above reaction mechanism, R* is intermediate in the reaction mechanism whose life spam is very short and according to steady state approximation, the intermediate is consumed as fast as it is produced. So, on applying steady state approximation to R*, the concentration of R* is calculated as shown below.

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