monitoring the absorbance of a cclored reactant at 520 p colored species in the reaction has an extinction coefficient at 520 nm. (a) Calculate the initial -1 of 5.60 X 10ʻMCM concentration of the colored reactant if the absorbance is 0.605 at the beginning of the reaction. (b) The absorbance falls to 0.250 at 30.0 min. Calculate the rate constant in units of s. (c) Calculate the half-life of the reaction (d) How long does it take for the absorbance to fall to 0.1002
monitoring the absorbance of a cclored reactant at 520 p colored species in the reaction has an extinction coefficient at 520 nm. (a) Calculate the initial -1 of 5.60 X 10ʻMCM concentration of the colored reactant if the absorbance is 0.605 at the beginning of the reaction. (b) The absorbance falls to 0.250 at 30.0 min. Calculate the rate constant in units of s. (c) Calculate the half-life of the reaction (d) How long does it take for the absorbance to fall to 0.1002
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Help me with question 101. Part a b c d please. Show work to understand please. Thank you
![(c) What is the half-life for this reaction at 61.05 °C?
monitoring the absorbance of a colored reactant at 520
The reaction occurs in a 1.00-cm sample cell, and the onky
colored species in the reaction has an extinction coefficient
of 5.60 X 10³MCM at 520 nm. (a) Calculate the initial
concentration of the colored reactant if the absorbance is
0.605 at the beginning of the reaction. (b) The absorbance
falls to 0.250 at 30.0 min. Calculate the rate constant in
units of s. (c) Calculate the half-life of the reaction
(d) How long does it take for the absorbance to fall to 0.1002
[14.102] A colored dye compound decomposes to give a colorless
product. The original dye absorbs at 608 nm and has an
extinction coefficient of 4.7 × 10" M-'cm at that wave.
length. You perform the decomposition reaction in a 1-cm
cuvette in a spectrometer and obtain the following data:
Time (min)
Absorbance at 608 nm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6ef85c79-8e8f-4d9a-890a-b67fe0c4488a%2F17cac307-b6c5-47e1-9053-2cc258ccce74%2Fq1e05u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(c) What is the half-life for this reaction at 61.05 °C?
monitoring the absorbance of a colored reactant at 520
The reaction occurs in a 1.00-cm sample cell, and the onky
colored species in the reaction has an extinction coefficient
of 5.60 X 10³MCM at 520 nm. (a) Calculate the initial
concentration of the colored reactant if the absorbance is
0.605 at the beginning of the reaction. (b) The absorbance
falls to 0.250 at 30.0 min. Calculate the rate constant in
units of s. (c) Calculate the half-life of the reaction
(d) How long does it take for the absorbance to fall to 0.1002
[14.102] A colored dye compound decomposes to give a colorless
product. The original dye absorbs at 608 nm and has an
extinction coefficient of 4.7 × 10" M-'cm at that wave.
length. You perform the decomposition reaction in a 1-cm
cuvette in a spectrometer and obtain the following data:
Time (min)
Absorbance at 608 nm
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