Answered: The reaction N2O4−⇀↽−2NO2 is allowed to…

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

The reaction

N2O4−⇀↽−2NO2

is allowed to reach equilibrium in a chloroform solution at 25 ∘C . The equilibrium concentrations are 0.327 mol/L N2O4 and 1.91 mol/L NO2 .

Calculate the equilibrium constant, Kc , for this reaction.

Kc= 11.16

An additional 1.00 mol NO2 is added to 1.00 L of the solution and the system is allowed to reach equilibrium again at the same temperature. Select the direction of the equilibrium shift after the NO2 is added.

towards the product

towards the reactant

no change

Determine how the addition of extra NO2 in the previous step will affect the rate constant, Kc .

Kc will increase

Kc will not change

Kc will decrease

Calculate the equilibrium concentrations of N2O4 and NO2 after the extra 1.00 mol NO2 is added to 1.00 L of solution.

[N2O4]=

mol/L

[NO2]=

mol/L

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