Chemistry 140 Iodination of Acetone 6. A chemist runs a reaction at three different temperatures and obtains the following information: Trial T (°C) 1 10.0 k (s¯¹) 5.8 × 10-4 2 25.0 8.5 × 10-4 3 40.0 1.2 × 10-3 The chemist would like to find the value of the energy of activation, E., for this reaction, using the procedure described on page 10. a. Complete the table below. Trial 1 2 T(K) 1/T(K) In k 3 b. Using Excel, your scientific calculator, or an online application, determine the equation of the best-fit line through these three points, where 1/T is the variable on the x-axis and In k is the variable on the y-axis. Slope of best-fit line: c. Determine the value of E, in kJ/mol.
Chemistry 140 Iodination of Acetone 6. A chemist runs a reaction at three different temperatures and obtains the following information: Trial T (°C) 1 10.0 k (s¯¹) 5.8 × 10-4 2 25.0 8.5 × 10-4 3 40.0 1.2 × 10-3 The chemist would like to find the value of the energy of activation, E., for this reaction, using the procedure described on page 10. a. Complete the table below. Trial 1 2 T(K) 1/T(K) In k 3 b. Using Excel, your scientific calculator, or an online application, determine the equation of the best-fit line through these three points, where 1/T is the variable on the x-axis and In k is the variable on the y-axis. Slope of best-fit line: c. Determine the value of E, in kJ/mol.
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Chapter1: Chemical Foundations
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Transcribed Image Text:Chemistry 140
Iodination of Acetone
6. A chemist runs a reaction at three different temperatures and obtains the following information:
Trial
T (°C)
1
10.0
k (s¯¹)
5.8 × 10-4
2
25.0
8.5 × 10-4
3
40.0
1.2 × 10-3
The chemist would like to find the value of the energy of activation, E., for this reaction, using the
procedure described on page 10.
a. Complete the table below.
Trial
1
2
T(K)
1/T(K)
In k
3
b. Using Excel, your scientific calculator, or an online application, determine the equation of the
best-fit line through these three points, where 1/T is the variable on the x-axis and In k is the
variable on the y-axis.
Slope of best-fit line:
c. Determine the value of E, in kJ/mol.
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