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 x 10* M-'cm¬1 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 1.254 30 0.941 60 0.752 90 0.672 120 0.545 From these data, determine the rate law for the reaction "dye - product" and determine the rate constant.

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Chapter1: Chemical Foundations
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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 x 10* M-'cm¬1 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
1.254
30
0.941
60
0.752
90
0.672
120
0.545
From these data, determine the rate law for the reaction
"dye - product" and determine the rate constant.
Transcribed Image Text: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 x 10* M-'cm¬1 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 1.254 30 0.941 60 0.752 90 0.672 120 0.545 From these data, determine the rate law for the reaction "dye - product" and determine the rate constant.
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