A gaseous mixture of NO2 and N2O4 in equilibrium, according to the reaction, 2 NO2 (g) ⇄ N2O4 (g), has a Keq-value of 170 M -1. If the [N2O4 (g)] is 2.1 x 10–4 M, what is the [NO2 (g)]? Multiple Choice 1.2 x 10–6 M 1.6 x 10–5 M 1.1 x 10–3 M 3.6 x 10–2 M 0.19 M

For a general reversible reaction , mA <----> nB The expression for equilibrium constant is…

Answered: A gaseous mixture of NO2 and N2O4 in…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.78PAE

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Question

A gaseous mixture of NO₂ and N₂O₄ in equilibrium, according to the reaction, 2 NO₂ (g) ⇄ N₂O₄ (g), has a K_eq-value of 170 M ^-1. If the [N₂O₄ (g)] is 2.1 x 10^–4 M, what is the [NO₂ (g)]?

Multiple Choice

1.2 x 10^–6 M
1.6 x 10^–5 M
1.1 x 10^–3 M
3.6 x 10^–2 M
0.19 M

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