Answered: onsider the gaseous equilibrium: 2 A →…

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

onsider the gaseous equilibrium: 2 A → 2 B + C.

Determine the value of the missing “B” concentration at equilibrium in the table below. Assume that all trials of the experiment are conducted at the same temperature.

Expt.	[A]	[B]	[C]
1	0.0500 M	0.200 M	0.200 M
2	0.20 M	1.00 M	0.128 M
3	0.500 M	?	0.100 M

Expert Solution

Step 1

Recall the given reaction which is present at equilibrium and write expression of equilibrium constant

$2 A \to 2 B + C K = \frac{{[B]}^{2} [C]}{{[A]}^{2}}$

At constant temperature equilibrium constant has constant value.

We have to determine the missing concentration of B in the table.

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