How can we calculate the time in minutes?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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How can we calculate the time in minutes?
hemistry 106
Run 1
time, s
0
150
300
450
600
750
950
1250
1550
--
Run 2
A
0.607
0.504
0.427
0.357 450
0.305 600
0.271 750
0.214 950
0.151
1250
0.103
1550
Run
1
2
3
4
5
Table 20.1: Data
Run 3
time, s
A
0
0.607
0
150
0.524
300
300 0.412
600
0.361
900
0.299 1200
0.253
1800
0.201
2400
0.147
3000
0.104
3600
time, s
Table 20.2: Conditions
[Fe(phen) 32+]0, M
7.5 x 10-5
7.5 x 10-5
7.5 x 10-5
7.5 x 10-5
7.5 x 10-5
A
time, s
A
0.601
0
0.611
0.565
50
0.513
0.529 100
0.425
0.498
150
0.298
0.472 200
0.227
0.413 250 0.175
0.356 300
0.149
0.333
350
0.118
0.283 400
0.101
Run 4
[H₂SO4]0, M
0.50
0.050
0.50
0.50
0.50
cus Questions:
1. What is the rate law for the dissociation of ferroin?
2. What might be the reaction mechanism?
3. What is the activation energy for this reaction?
Run 5
time, s
0
10
20
30
40
50
60
70
80
T, °C
40.0
40.0
30.0
50.0
60.0
158
A
0.606
0.515
0.426
0.343
0.311
0.2
0.221
0.163
0.119
Transcribed Image Text:hemistry 106 Run 1 time, s 0 150 300 450 600 750 950 1250 1550 -- Run 2 A 0.607 0.504 0.427 0.357 450 0.305 600 0.271 750 0.214 950 0.151 1250 0.103 1550 Run 1 2 3 4 5 Table 20.1: Data Run 3 time, s A 0 0.607 0 150 0.524 300 300 0.412 600 0.361 900 0.299 1200 0.253 1800 0.201 2400 0.147 3000 0.104 3600 time, s Table 20.2: Conditions [Fe(phen) 32+]0, M 7.5 x 10-5 7.5 x 10-5 7.5 x 10-5 7.5 x 10-5 7.5 x 10-5 A time, s A 0.601 0 0.611 0.565 50 0.513 0.529 100 0.425 0.498 150 0.298 0.472 200 0.227 0.413 250 0.175 0.356 300 0.149 0.333 350 0.118 0.283 400 0.101 Run 4 [H₂SO4]0, M 0.50 0.050 0.50 0.50 0.50 cus Questions: 1. What is the rate law for the dissociation of ferroin? 2. What might be the reaction mechanism? 3. What is the activation energy for this reaction? Run 5 time, s 0 10 20 30 40 50 60 70 80 T, °C 40.0 40.0 30.0 50.0 60.0 158 A 0.606 0.515 0.426 0.343 0.311 0.2 0.221 0.163 0.119
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