The absorption spectra of an equilibrium mixture of HBPB*(aq) and BPB(aq), collected at two different temperatures, are shown in the following diagram. i HBPB^(aq) BPB(ag) 0.40- Low Temperature High Temperature 0.35- .... 0.30- 0.25- 0.20+ 0.15 0.10- 0.05- 0.00+ 400 500 600 700 800 Wavelength (nm) (b) Which peak, the one at 590 nm or the one at 800 nm, results from the absorption of photons with the lower energy? Justify your answer. Absorbance *.........
The absorption spectra of an equilibrium mixture of HBPB*(aq) and BPB(aq), collected at two different temperatures, are shown in the following diagram. i HBPB^(aq) BPB(ag) 0.40- Low Temperature High Temperature 0.35- .... 0.30- 0.25- 0.20+ 0.15 0.10- 0.05- 0.00+ 400 500 600 700 800 Wavelength (nm) (b) Which peak, the one at 590 nm or the one at 800 nm, results from the absorption of photons with the lower energy? Justify your answer. Absorbance *.........
Chemistry
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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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Transcribed Image Text:The absorption spectra of an equilibrium mixture of HBPB*(aq) and BPB(aq),
collected at two different temperatures, are shown in the following diagram.
Am HBPB"(ag)
Ama BPB(ag)
max
0.40
Low Temperature
High Temperature
0.35
0.30
0.25-
0.20+
0.15A
0.10-
0.05-
0.00 +
400
500
600
700
800
Wavelength (nm)
(b) Which peak, the one at 590 nm or the one at 800 nm, results from the absorption of
photons with the lower energy? Justify your answer.
(c) Based on the diagram above, is the forward reaction endothermic or exothermic?
Justify your answer in terms of Le Châtelier's principle.
...
.........
Absorbance
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