Chapter 6, Problem 6.81P

Consider the reaction of ${\text{N}}_{\text{2}}(g)+{\text{ O}}_{\text{2}}(g)\stackrel{}{\rightleftarrows }\text{ 2 NO}(g).$ What happens to the concentration of each substance when (a) $[{\text{O}}_{\text{2}}]$ is increased; (b) $[\text{NO}]$ is increased?