Ozone reacts with sulfur dioxide to form sulfur trioxide and molecular oxygen, as shown here. O3 (g) + SO2 (g) → O2 (g) + SO3 (g) In one study of this reaction, the amount of ozone present was measured and recorded at several points during the course of the reaction. These data are presented in the accompanying table. Time (s) Moles O3 0 0.300 100 0.226 200 0.170 400 0.097 600 0.055 800 0.031 Use the data in the table to answer the following questions. a. What is the average rate of consumption of O3 over the first 100 seconds of the reaction? b. What is the average rate of consumption of O3 during the period from 400 seconds to 800 seconds?
1. Ozone reacts with sulfur dioxide to form sulfur trioxide and molecular oxygen, as shown here.
O3 (g) + SO2 (g) → O2 (g) + SO3 (g)
In one study of this reaction, the amount of ozone present was measured and recorded at several points
during the course of the reaction. These data are presented in the accompanying table.
Time (s) Moles O3
0 0.300
100 0.226
200 0.170
400 0.097
600 0.055
800 0.031
Use the data in the table to answer the following questions.
a. What is the average rate of consumption of O3 over the first 100 seconds of the reaction?
b. What is the average rate of consumption of O3 during the period from 400 seconds to 800 seconds?
c. If the average rate of consumption of O3 is 0.00024 mol/s during the period from 400 seconds to 500
seconds, how much ozone is present at 500 seconds?
d. Use the blank graph provided here to plot the amount of ozone as a function of time.
e. Use the graph that you constructed to estimate the average rate of consumption of O3 during the period
from 50 seconds to 300 seconds.
f. Use the graph to estimate the instantaneous rate of consumption of O3 at 400 seconds
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