Answer
No, increases.
Work Step by Step
Calculating Q
$Q=[N_2O_4]/[NO_2]^2=(1.5\times10^{-3})/(2.0\times10^{-3})^2=375$
Since Q>K, the reaction will proceed to the left before equilibrium, increasing [NO2].
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 15 Principles of Chemical Reactivity: Equilibria - Study Questions - Page 583a: 4
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