Time (hours) Conc (mg/ml)

6 96.07931036

12 57.69520109

18 34.64571317

24 20.80459758

30 12.49306887

36 7.502032621

42 4.504937421

48 2.705195004

54 1.62445764

60 0.975479631

based on data shown above-

1.

a) what is the reaction order ? (zero, first, second)

b) what is the degradation constant? (provide units too)

c) what is starting concentration? (at time 0)

d) what is concentration at 8 hours?

e)what is half life in hours based on starting point of t=0

f) what is shelf life in hours based on starting point of t=0

g) what is degradation rate at 18 hours ?