how do i find the time it took for the mixture to react from A = 0.600 to 0.800 when catalyst was added to the reactant?

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter14: Principles Of Neutralization Titrations
Section: Chapter Questions
Problem 14.47QAP
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how do i find the time it took for the mixture to react from A = 0.600 to 0.800 when catalyst was added to the reactant?

1
2
3
4
LO
5
6
7
8
9
10
Time
(s)
0.000
5.000
10.000
15.000
20.000
25.000
30.000
35.000
40.000
45.000
Run #6
Blue (468 nm) Absorbance
0.302
0.428
0.548
0.646
0.740
0.831
0.917
0.995
1.068
1.132
Transcribed Image Text:1 2 3 4 LO 5 6 7 8 9 10 Time (s) 0.000 5.000 10.000 15.000 20.000 25.000 30.000 35.000 40.000 45.000 Run #6 Blue (468 nm) Absorbance 0.302 0.428 0.548 0.646 0.740 0.831 0.917 0.995 1.068 1.132
temp deg temp deg
C
17
48
55
67
20
time (s)
290.15 335
321.15
70
328.15 35
340.15 30
293.15 45
Rate
0.00265 0.003
0.0112
0.0183
0.0333
1/T (K^-1) In(rate)
0.0186
0.003
0.003
0.003
0.003
-5.93
-4.48
-4.00
-3.40
-3.98 (catalyst
added)
Transcribed Image Text:temp deg temp deg C 17 48 55 67 20 time (s) 290.15 335 321.15 70 328.15 35 340.15 30 293.15 45 Rate 0.00265 0.003 0.0112 0.0183 0.0333 1/T (K^-1) In(rate) 0.0186 0.003 0.003 0.003 0.003 -5.93 -4.48 -4.00 -3.40 -3.98 (catalyst added)
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