Chemistry 104 Study Groups

KINETICS PROBLEM
ANSWER
 

Exercises

  Consider the following data for three different reactions of the form A ——> products

 

Reaction I

Reaction II

Reaction III

Time (s)

[A] (M)

Time (s)

[A] (M)

Time (s)

[A] (M)

0

1.00

0

1.00

0

1.00

25

0.78

25

0.75

25

0.80

50

0.61

50

0.50

50

0.67

75

0.47

75

0.25

75

0.57

100

0.37

100

0.00

100

0.50

150

0.22

 

 

150

0.40

200

0.14

 

 

200

0.33

250

0.08

 

 

250

0.29

Assign either zeroth, first, or second order to each of these reactions.

 

Answer

  1. Reaction I: 1st order

  2. Reaction II: 0th order

  3. Reaction III: 2nd order

 

Explanation

 

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