Be sure to answer all parts. The reaction of peroxydisulfate ion (S20g) with iodide ion (I) is S,0g? (aq) + 31 (aq) → 2SO, (aq) + I3 (aq) From the following data collected at a certain temperature, determine the rate law and calculate the rate constant. Experiment [S,0g 1(M) [I](M) Initial Rate [M/s] 0.0500 0.0400 8.80 x 104 0.0500 0.0200 4.40 x 10 4 0.1000 0.0200 8.80 x 10

Chemistry: The Molecular Science
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Author:John W. Moore, Conrad L. Stanitski
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Chapter11: Chemical Kinetics: Rates Of Reactions
Section: Chapter Questions
Problem 25QRT
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Be sure to answer all parts.
The reaction of peroxydisulfate ion (S203? ) with iodide ion (I) is
S,02? (aq) + 31 (aq) → 2SO,² (aq) + I; (aq)
From the following data collected at a certain temperature, determine the rate law and calculate the
rate constant.
Experiment
[S,0g? ](M) I](M)
Initial Rate [M/s]
1
0.0500
0.0400
8.80 x 10-4
0.0500
0.0200
4.40 × 10 4
0.1000
0.0200
8.80 x 10 4
Transcribed Image Text:Be sure to answer all parts. The reaction of peroxydisulfate ion (S203? ) with iodide ion (I) is S,02? (aq) + 31 (aq) → 2SO,² (aq) + I; (aq) From the following data collected at a certain temperature, determine the rate law and calculate the rate constant. Experiment [S,0g? ](M) I](M) Initial Rate [M/s] 1 0.0500 0.0400 8.80 x 10-4 0.0500 0.0200 4.40 × 10 4 0.1000 0.0200 8.80 x 10 4
(a) Which of the following equations represents the rate law for this reaction?
A. rate = k[S,Og ]
B. rate = k[S,Og² O
C. rate = k[S,Og²M?
D. rate = k[S,O,²M?
%3D
%3D
%3D
A OBO COD
(b) What is the rate constant for the reaction?
k =
M's
Transcribed Image Text:(a) Which of the following equations represents the rate law for this reaction? A. rate = k[S,Og ] B. rate = k[S,Og² O C. rate = k[S,Og²M? D. rate = k[S,O,²M? %3D %3D %3D A OBO COD (b) What is the rate constant for the reaction? k = M's
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