The reaction A→CA→C is first-order in the reactant AA and is known to go to completion. The product CC is colored and absorbs light strongly at 550 nm, while the reactant and intermediates are colorless. A solution of AA was prepared, and the absorbance of CC at 550 nm was measured as a function of time. (Note that the absorbance of CC is directly proportional to its concentration.) Use the following data to determine the half-life of the reaction: Time (s)(s) Absorbance 0 0.000 10 0.444 20 0.724 100 1.188 200 1.200 500 1.200
The reaction A→CA→C is first-order in the reactant AA and is known to go to completion. The product CC is colored and absorbs light strongly at 550 nm, while the reactant and intermediates are colorless. A solution of AA was prepared, and the absorbance of CC at 550 nm was measured as a function of time. (Note that the absorbance of CC is directly proportional to its concentration.) Use the following data to determine the half-life of the reaction: Time (s)(s) Absorbance 0 0.000 10 0.444 20 0.724 100 1.188 200 1.200 500 1.200
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The reaction A→CA→C is first-order in the reactant AA and is known to go to completion. The product CC is colored and absorbs light strongly at 550 nm, while the reactant and intermediates are colorless. A solution of AA was prepared, and the absorbance of CC at 550 nm was measured as a function of time. (Note that the absorbance of CC is directly proportional to its concentration.)
Use the following data to determine the half-life of the reaction:
| Time (s)(s) | Absorbance |
| 0 | 0.000 |
| 10 | 0.444 |
| 20 | 0.724 |
| 100 | 1.188 |
| 200 | 1.200 |
| 500 | 1.200 |
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