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CHM 112
Section 1

Homework Assignment #5
Due February 3, 2006 by 8:05 a.m.

Practice (not to be turned in): Review Question 13.13, Problem 13.55.

Consider the reaction

A(g) products

The following data was found:
T (oC)
k (s–1)

data set 0

k (s–1)

data set 1

k (s–1)

data set 2

k (s–1)

data set 3

k (s–1)

data set 4

k (s–1)

data set 5

k (s–1)

data set 6

k (s–1)

data set 7

k (s–1)

data set 8

k (s–1)

data set 9

0
1.22×106
2.98×104
5.46×102
8.88
0.14
1.98×10–3
2.83×10–5
3.94×10–7
5.41×10–9
7.34×10–11
5
1.32×106
3.49×104
6.92×102
12.2
0.20
3.19×10–3
4.92×10–5
7.43×10–7
1.10×10–8
1.62×10–10
10
1.43×106
4.07×104
8.70×102
16.6
0.30
5.05×10–3
8.40×10–5
1.37×10–6
2.20×10–8
3.48×10–10
15
1.54×106
4.72×104
1.09×103
22.2
0.43
7.86×10–3
1.41×10–4
2.47×10–6
4.27×10–8
7.28×10–10
20
1.65×106
5.44×104
1.34×103
29.6
0.61
1.21×10–2
2.32×10–4
4.37×10–6
8.11×10–8
1.49×10–9
25
1.77×106
6.24×104
1.65×103
38.9
0.86
1.82×10–2
3.76×10–4
7.58×10–6
1.51×10–7
2.96×10–9
30
1.89×106
7.13×104
2.02×103
50.8
1.2
2.72×10–2
5.99×10–4
1.29×10–5
2.74×10–7
5.76×10–9
35
2.01×106
8.11×104
2.45×103
65.8
1.7
4.00×10–2
9.40×10–4
2.16×10–5
4.90×10–7
1.10×10–8
40
2.14×106
9.19×104
2.95×103
84.4
2.3
5.82×10–2
1.45×10–3
3.56×10–5
8.59×10–7
2.05×10–8
45
2.28×106
1.04×105
3.54×103
107.5
3.1
8.36×10–2
2.22×10–3
5.78×10–5
1.48×10–6
3.74×10–8
50
2.41×106
1.17×105
4.22×103
135.9
4.1
1.19×10–1
3.35×10–3
9.23×10–5
2.51×10–6
6.73×10–8


Choose the data set corresponding the to last digit in your Student ID Number.

Find the activation energy in units of kJ/mol by plotting the data. Use a full, clean sheet of graph paper. (Spread sheets plots are NOT acceptable.) Be sure to label the axes and that the data encompasses the entire plotted area.


Turn in the following:

Name
Student ID Number
The graph and activation energy found from the plot.