Rate= k[NOBr]2 = - (Δ[NOBr] /Δt)
2NOBr (g) --> 2NO (g) + Br2 (g)
1. Determine the value of k for this reaction if the half-life for this reaction is 2.00 s when [NOBr]0= 0.900 M.
2. Explain how much time is needed for the concentration of NOBr to decrease to 0.113 M?