opy, mm. The colored 100 The absorbance falls to 0.229 at 35.4 min. Calculate the rate constant in units of s 197 ΑΣΦΑ ? Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part C Calculate the half-life of the reaction. 197| ΑΣΦ Submit Request Answer Part D How long does it take for the absorbance to fall to 0.119? ΑΣΦ ? t=

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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M8
The rate of a first-order reaction is followed by spectroscopy,
monitoring the absorbance of a colored reactant at 520 nm. The
reaction occurs in a 1.17-cm sample cell, and the only colored
species in the reaction has an extinction coefficient of 5100
em-1 M-1, at 520 nm.
The absorbance falls to 0.229 at 35.4 min. Calculate the rate constant in units of s
Η ΑΣΦΑ
?
Submit Previous Answers Request Answer
X Incorrect; Try Again; 4 attempts remaining
Part C
Calculate the half-life of the reaction.
IVD ΑΣΦΑ
?
Submit
Request Answer
Part D
How long does it take for the absorbance to fall to 0.119?
15. ΑΣΦ
?
Submit
Request Answer
S
Transcribed Image Text:The rate of a first-order reaction is followed by spectroscopy, monitoring the absorbance of a colored reactant at 520 nm. The reaction occurs in a 1.17-cm sample cell, and the only colored species in the reaction has an extinction coefficient of 5100 em-1 M-1, at 520 nm. The absorbance falls to 0.229 at 35.4 min. Calculate the rate constant in units of s Η ΑΣΦΑ ? Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part C Calculate the half-life of the reaction. IVD ΑΣΦΑ ? Submit Request Answer Part D How long does it take for the absorbance to fall to 0.119? 15. ΑΣΦ ? Submit Request Answer S
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