12.3 Exercise 6

Regular flights of supersonic aircraft in the stratosphere are of concern because such aircraft produce nitric oxide, NO, as a byproduct in the exhaust of their engines. Nitric oxide reacts with ozone, and it has been suggested that this could contribute to depletion of the ozone layer. The reaction $\text{NO} + \text{O}_{3} \rightarrow \text{NO}_{2} + \text{O}_{2}$ is first order with respect to both NO and O₃ with a rate constant of 2.20 $\times$ 10⁷ L/mol/s. What is the instantaneous rate of disappearance of NO when [NO] = 3.3 $\times$ 10⁻⁶ M and [O₃] = 5.9 $\times$ 10⁻⁷ M?