Post Lab Question: 1. How would a change in temperature from 218 K to 228 K affect the rate of this reaction? (Increase or decrease? By what factor? What is the ratio of the k values?) As always, show the calculations and answer specifically. 2. How would a change in temperature from 418 K to 428 K affect the rate of this reaction? (Increase or decrease? By what factor? What is the ratio of the k values?) As always, show the calculations and answer specifically. 3. During the experiment you added 8 drops of copper(II) sulfate, the catalyst, to the tested solution. Is this an example of heterogeneous or homogeneous catalysis? Explain why.

Chemistry
9th Edition
ISBN:9781133611097
Author:Steven S. Zumdahl
Publisher:Steven S. Zumdahl
Chapter13: Chemical Equilibrium
Section: Chapter Questions
Problem 10RQ: The only stress (change) that also changes the value of K is a change in temperature. For an...
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Reaction of interest : S2O82-(aq) + 3I- (aq)→ 2SO42-(aq) + I3-(aq). rate= k[S2O82-]1[I-]1.
Post Lab Question:
1. How would a change in temperature from 218 K to 228 K affect the rate of this reaction?
(Increase or decrease?
By what factor? What is the ratio of the k values?) As always, show the calculations and answer
specifically.
2. How would a change in temperature from 418 K to 428 K affect the rate of this reaction?
(Increase or decrease? By what factor? What is the ratio of the k values?) As always, show the
calculations and answer specifically.
3. During the experiment you added 8 drops of copper(II) sulfate, the catalyst, to the tested
solution. Is this an example of heterogeneous or homogeneous catalysis? Explain why.
Transcribed Image Text:Post Lab Question: 1. How would a change in temperature from 218 K to 228 K affect the rate of this reaction? (Increase or decrease? By what factor? What is the ratio of the k values?) As always, show the calculations and answer specifically. 2. How would a change in temperature from 418 K to 428 K affect the rate of this reaction? (Increase or decrease? By what factor? What is the ratio of the k values?) As always, show the calculations and answer specifically. 3. During the experiment you added 8 drops of copper(II) sulfate, the catalyst, to the tested solution. Is this an example of heterogeneous or homogeneous catalysis? Explain why.
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