$$\begin{gathered} 2N_2{O}_5\underset{ }{\to }4N{O}_2+O_2. If -\frac{d\left[N_2{O}_5\right]}{dt}=k_1\left[N_2{O}_5\right] \\ \frac{d\left[N{O}_2\right]}{dt}=k_2\left[N_2{O}_5\right] \frac{d\left[O_2\right]}{dt}=k_3\left[N_2{O}_5\right] \\ what is the relation between k_1,k_2, and k_3 ? \end{gathered}$$