Consider the reaction of peroxydisulfate ion (S2Og-) with iodide ion (I¯) in aqueous solution: S,03- (aq) + 31 (aq) → 2 So?-(aq) + I5 (aq) At a particular temperature, the initial rate of disappear- ance of S20- varies with reactant concentrations in the following manner: Experiment [S,0,-](M) [I](M) Initial Rate (M/s) 0.018 0.036 2.6 x 106 0.027 0.036 3.9 x 106 3 0.036 0.054 7.8 x 106 0.050 0.072 1.4 x 10-5 (a) Determine the rate law for the reaction and state the units of the rate constant. (b) What is the average value of the rate constant for the disappearance of S,0,- based on the four sets of data? (c) How is the rate of dis- appearance of S2O3- related to the rate of disappearance of I ? (d) What is the rate of disappearance ofI when [S,0,2-] = 0.025 M and [I-] = 0.050 M? 2.
Consider the reaction of peroxydisulfate ion (S2Og-) with iodide ion (I¯) in aqueous solution: S,03- (aq) + 31 (aq) → 2 So?-(aq) + I5 (aq) At a particular temperature, the initial rate of disappear- ance of S20- varies with reactant concentrations in the following manner: Experiment [S,0,-](M) [I](M) Initial Rate (M/s) 0.018 0.036 2.6 x 106 0.027 0.036 3.9 x 106 3 0.036 0.054 7.8 x 106 0.050 0.072 1.4 x 10-5 (a) Determine the rate law for the reaction and state the units of the rate constant. (b) What is the average value of the rate constant for the disappearance of S,0,- based on the four sets of data? (c) How is the rate of dis- appearance of S2O3- related to the rate of disappearance of I ? (d) What is the rate of disappearance ofI when [S,0,2-] = 0.025 M and [I-] = 0.050 M? 2.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter11: Rate Of Reaction
Section: Chapter Questions
Problem 30QAP
Related questions
Question
![Consider the reaction of peroxydisulfate ion (S2Og-)
with iodide ion (I¯) in aqueous solution:
S,03- (aq) + 31 (aq) → 2 So?-(aq) + I5 (aq)
At a particular temperature, the initial rate of disappear-
ance of S20- varies with reactant concentrations in the
following manner:
Experiment [S,0,-](M) [I](M) Initial Rate (M/s)
0.018
0.036
2.6 x 106
0.027
0.036
3.9 x 106
3
0.036
0.054
7.8 x 106
0.050
0.072
1.4 x 10-5
(a) Determine the rate law for the reaction and state the
units of the rate constant. (b) What is the average value
of the rate constant for the disappearance of S,0,-
based on the four sets of data? (c) How is the rate of dis-
appearance of S2O3- related to the rate of disappearance
of I ? (d) What is the rate of disappearance ofI when
[S,0,2-] = 0.025 M and [I-] = 0.050 M?
2.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F96dd6ecb-3d2e-4c65-b89f-1f31a022f881%2F652d4e3f-ebad-4c08-94d4-d3c4b6e38940%2Fm2d4vf37.png&w=3840&q=75)
Transcribed Image Text:Consider the reaction of peroxydisulfate ion (S2Og-)
with iodide ion (I¯) in aqueous solution:
S,03- (aq) + 31 (aq) → 2 So?-(aq) + I5 (aq)
At a particular temperature, the initial rate of disappear-
ance of S20- varies with reactant concentrations in the
following manner:
Experiment [S,0,-](M) [I](M) Initial Rate (M/s)
0.018
0.036
2.6 x 106
0.027
0.036
3.9 x 106
3
0.036
0.054
7.8 x 106
0.050
0.072
1.4 x 10-5
(a) Determine the rate law for the reaction and state the
units of the rate constant. (b) What is the average value
of the rate constant for the disappearance of S,0,-
based on the four sets of data? (c) How is the rate of dis-
appearance of S2O3- related to the rate of disappearance
of I ? (d) What is the rate of disappearance ofI when
[S,0,2-] = 0.025 M and [I-] = 0.050 M?
2.
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