Chapter 3, Problem 3.13P

1. (a) Write the rate law for the reaction

   $2\text{A}+\text{B}\to \text{C}$

   if the reaction

   1. (1) is second order in B and overall third order, −r_A = ______
   2. (2) is zero order in A and first order in B, −r_A = ______
   3. (3) is zero order in both A and B, −r_A = ______
   4. (4) is first order in A and overall zero order. −r_A = ______
2. (b) Find and write the rate laws for the following reactions
   1. (1) H₂ + Br₂ → 2HBr
   2. (2) H₂ + I₂ → 2HI