Question 1
The graphs below all refer to the same reaction. What is the order of this reaction?

◦ zero order
◦ first order
◦ second order
◦ unable to predict
Question 2
The half life for a first order reaction is 27 min. How long will it take for 4 half lives to occur?
◦ 53,000 min
◦ 108 min
◦ 81 min
◦ 260 min
◦ Not enough information given