Your confused neighbor is back and wants to check that he understands equilibrium now that you explained things a bit more. He looks at N2O4 <-> 2NO2 and says "ok, so at equilibrium it must be true that [N2O4] = 2[NO2]" What is wrong with this statement? How would you correct this statement?

Answered: Your confused neighbor is back and…

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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Your confused neighbor is back and wants to check that he understands equilibrium now that you explained things a bit more.

He looks at N₂O₄ <-> 2NO₂ and says "ok, so at equilibrium it must be true that [N₂O₄] = 2[NO₂]"

What is wrong with this statement?

How would you correct this statement?

Expert Solution

Step 1

Equilibrium of any reaction is defined as the state of reaction where the net rate of forward reaction becomes equal to net rate of backward reaction.

Step 2

The reaction given is

N₂O₄ <------> 2NO₂

Since rate of forward reaction will be = K_f [N₂O₄ ]

and rate of backward reaction = K_b [NO₂ ]²

where [N₂O₄ ] = concentration of N₂O₄

[NO₂ ] = concentration of NO₂

K_b = backward rate constant

and K_f = forward rate constant

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