3) The reaction 212 (aq) + S2Os 2 (aq) I2 (aq) + 2SO4 ²² (aq) was studied at 25°C. The following results were obtained where Rate [5,0,- (mol/L) Initial Rate (mol/L) (mol/L s) 0.080 0.040 12.5 x 10-6 0.040 0.040 6.25 x 10-6 6.25 x 106 0.080 0.020 0.032 0.060 0.040 5.00 x 10-6 0.030 7.00 x 10-6 a. Determine the rate law. b. Calculate a value for the rate constant.

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
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 65GQ: The thermal decomposition of diacetylene, C4H2, was studied at 950 C. Use the following data (K. C....
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3) The reaction 2I2 (aq) + S2O8 ²- (aq)
->
I2 (aq) + 2SO4 ²- (aq)
was studied at 25°C. The following results were obtained where
Rate =
[S,0,-
(mol/L)
Initial Rate
(mol/L)
(mol/L s)
0.080
0.040
0.040
12.5 x 10-6
6.25 x 10-6
6.25 x 10-6
5.00 x 10-6
7.00 x 10-6
0.040
0.080
0.020
0.040
0.030
0.032
0.060
a. Determine the rate law.
b. Calculate a value for the rate constant.
Transcribed Image Text:3) The reaction 2I2 (aq) + S2O8 ²- (aq) -> I2 (aq) + 2SO4 ²- (aq) was studied at 25°C. The following results were obtained where Rate = [S,0,- (mol/L) Initial Rate (mol/L) (mol/L s) 0.080 0.040 0.040 12.5 x 10-6 6.25 x 10-6 6.25 x 10-6 5.00 x 10-6 7.00 x 10-6 0.040 0.080 0.020 0.040 0.030 0.032 0.060 a. Determine the rate law. b. Calculate a value for the rate constant.
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