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Calculate the energy levels of the 7-network in hexa-

Calculate the energy levels of the 7-network in hexa-

Chemistry
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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P16.4 Calculate the energy levels of the 7-network in hexa- triene, C6Hg, using the particle in the box model. To calculate the box length, assume that the molecule is linear and use the values 135 and 154 pm for C=C and C-C bonds. What is the wavelength of light required to induce a transition from the ground state to the first excited state? How does this com- pare with the experimentally observed value of 240 nm? What does the comparison made suggest to you about esti- mating the length of the 7-network by adding bond lengths for this molecule?
Transcribed Image Text:P16.4 Calculate the energy levels of the 7-network in hexa- triene, C6Hg, using the particle in the box model. To calculate the box length, assume that the molecule is linear and use the values 135 and 154 pm for C=C and C-C bonds. What is the wavelength of light required to induce a transition from the ground state to the first excited state? How does this com- pare with the experimentally observed value of 240 nm? What does the comparison made suggest to you about esti- mating the length of the 7-network by adding bond lengths for this molecule?
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