Find the delta(S2O8^2-),M (2nd to last row on data table), THEN find the Reaction rate for all 4 runs (last row). IGNORE THE NUMBERS THAT ARE IN THOSE COLOUMNS RIGHT MOW THEY ARE MOST LIKELY INCORRECT! Next find the average rate consant k for the 4 runs using the numbers you calculated.
Find the delta(S2O8^2-),M (2nd to last row on data table), THEN find the Reaction rate for all 4 runs (last row). IGNORE THE NUMBERS THAT ARE IN THOSE COLOUMNS RIGHT MOW THEY ARE MOST LIKELY INCORRECT! Next find the average rate consant k for the 4 runs using the numbers you calculated.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
Section: Chapter Questions
Problem 85IL: The color change accompanying the reaction of phenolphthalein with strong base is illustrated below....
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I included my data table please answer the following questions
Find the delta(S2O8^2-),M (2nd to last row on data table), THEN find the Reaction rate for all 4 runs (last row). IGNORE THE NUMBERS THAT ARE IN THOSE COLOUMNS RIGHT MOW THEY ARE MOST LIKELY INCORRECT!
Next find the average rate consant k for the 4 runs using the numbers you calculated.
![Chem 202: Studying the Kinetics of a Chemical Reaction: lodine Clock
Part A: Determining the Effect of S2O3? and I Concentration of the Reaction Rate
Use the reaction volumes listed in Table 1. Follow the steps in the Procedure. Record all data on Data Sheet 1.
MI
Table 1 Reaction Volumes for Determining the Effect of [S2O3²] and [I'] on the Reaction Rate
MI
Test tube A
Test tube B
0.010 M
0.30 M
0.30 M
0.30 M
0.30 M
Run
Starch, ml
NazS203, mL
KI, ml
KNO3, mL
(NH4)2S2O8, mL
(NH4)2SO4, mL
1
=Vz
0.50
0.50
0.50
0.50
1.00
0.0
2
0.50
0.50
0.50
0.50
0.50
0.50
3.00
0.50
0.50
1.00
0.0
1.00
0.0
for ALL
4
0.50
0.50
1.00
0.0
0.50
0.50
DATA SHEET 1
Run 1
Run 2
Run 3
Run 4
[Reactants] after mixing
0.05 M
0.0S M
0.10M
0.10 M
KI, M
0.10 M
0.0S M
0 . 10 M
0.0SM
(NH4)2S2O8, M
Temperature, °C
20.8°C 20.8°C 20.8°C 20.8°C
Trial 1
47s
80s
22s
39s
Reaction time, s
Trial 2
42s
70s
21s
345
Reaction time, s
Trial 3
365
10s
31s
Reaction time, s
735
Average Reaction
42s
20s
37s
time, s
1.67 x 10-3 M
A[S2Os?], M
3.98* 10 MIS
2.3×10MIS
8.4 x 10
MIS
Reaction Rate, M/s
M/s 4.5x10-S
o[Sz
2-
Rate
A vevage reaction time
Version F2021
8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F92645611-e15f-4bac-9fff-1e4fb861fd23%2F98e2ef0f-7e96-4806-9aa9-52852c095afc%2Fo5dejro_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Chem 202: Studying the Kinetics of a Chemical Reaction: lodine Clock
Part A: Determining the Effect of S2O3? and I Concentration of the Reaction Rate
Use the reaction volumes listed in Table 1. Follow the steps in the Procedure. Record all data on Data Sheet 1.
MI
Table 1 Reaction Volumes for Determining the Effect of [S2O3²] and [I'] on the Reaction Rate
MI
Test tube A
Test tube B
0.010 M
0.30 M
0.30 M
0.30 M
0.30 M
Run
Starch, ml
NazS203, mL
KI, ml
KNO3, mL
(NH4)2S2O8, mL
(NH4)2SO4, mL
1
=Vz
0.50
0.50
0.50
0.50
1.00
0.0
2
0.50
0.50
0.50
0.50
0.50
0.50
3.00
0.50
0.50
1.00
0.0
1.00
0.0
for ALL
4
0.50
0.50
1.00
0.0
0.50
0.50
DATA SHEET 1
Run 1
Run 2
Run 3
Run 4
[Reactants] after mixing
0.05 M
0.0S M
0.10M
0.10 M
KI, M
0.10 M
0.0S M
0 . 10 M
0.0SM
(NH4)2S2O8, M
Temperature, °C
20.8°C 20.8°C 20.8°C 20.8°C
Trial 1
47s
80s
22s
39s
Reaction time, s
Trial 2
42s
70s
21s
345
Reaction time, s
Trial 3
365
10s
31s
Reaction time, s
735
Average Reaction
42s
20s
37s
time, s
1.67 x 10-3 M
A[S2Os?], M
3.98* 10 MIS
2.3×10MIS
8.4 x 10
MIS
Reaction Rate, M/s
M/s 4.5x10-S
o[Sz
2-
Rate
A vevage reaction time
Version F2021
8
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