Chapter 15.4, Problem 1PPA

Practice ProblemATTEMPT

The following reactions have the indicated equilibrium constants at a particular temperature:

${\text{N}}_{\text{2}}\left(g\right){\text{ + O}}_{\text{2}}\left(g\right)\underset{}{\rightleftarrows }2\text{NO}\left(g\right)k_c=4.3\times {10}^{-25}$

$\text{2NO}\left(g\right){\text{ + O}}_{\text{2}}\left(g\right)\underset{}{\rightleftarrows }2{\text{NO}}_{\text{2}}\left(g\right)k_c=4.6\times {10}^9$

Determine the values of the equilibrium constants for the following equations at the same temperature:

$\left(\text{a}\right)\text{ 2NO}\left(g\right)\underset{}{\rightleftarrows }{\text{N}}_{\text{2}}\left(g\right){\text{ + O}}_{\text{2}}\left(g\right),\left(\text{b}\right)\frac{1}{2}{\text{N}}_{\text{2}}\left(g\right)\text{ + }\frac{1}{2}\left(g\right)\underset{}{\rightleftarrows }\text{NO}\left(g\right),\text{ and }\left(\text{c}\right){\text{ N}}_{\text{2}}\left(g\right){\text{ + 2O}}_{\text{2}}\left(g\right)\rightleftarrows {\text{2NO}}_{\text{2}}\left(g\right).$