Is the reaction at equilibrium? If not, in what direction will the reaction proceed? Nitrogen dioxide dimerizes according to the following reaction:2 NO2 (g) = N2O4 (g)Kp = 6.7 at 298 KA 2.25-L container contains 0.059 mol of NO2 and 0.081 mol ofN204 at 298 K.

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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

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Is the reaction at equilibrium? If not, in what direction will the reaction proceed?

Nitrogen dioxide dimerizes according to the following reaction:
2 NO2 (g) = N2O4 (g)
Kp = 6.7 at 298 K
A 2.25-L container contains 0.059 mol of NO2 and 0.081 mol of
N204 at 298 K.

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Step 1

$W e h a v e t h e f o l l o w i n g r e a t i o n : 2 N O_{2} (g) ⇌_{}^{} N_{2} O_{4} (g) G i v e n : K_{P} = 6.7 a t 298 K V o p l u m e o f t h e c o n t a i n e r = 2.25 L N o . o f m o l e s o f N O_{2} = 0.059 N o . o f m o l e s o f N_{2} O_{4} = 0.081 F i r s t w e n e e d t o c a l c u l a t e t h e c o n c e n t r a t i o n o f b o t h t h e N O_{2} a n d t h e N_{2} O_{4} f o r t h i s w e a p p l y t h e f o l l o w i n g f o r m u l a, C o n c e n t r a t i o n / m o l a r i t y = \frac{n o . o f m o l e s}{v o l u m e (i n l i t e r s)} T h e r e f o r e, [N O_{2}] = \frac{0.059 m o l}{2.25 L} [N_{2} O_{4}] = \frac{0.081 m o l}{2.25 L} [N O_{2}] = 0.026223 M [N_{2} O_{4}] = 0.036 M$

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