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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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![1. A potassium vapor sign consists of K atoms which give off violet light
(O = 425.4 nm). a. Calculate the frequency for this wavelength. b.
Calculate the E when only one atom gives off light and when 0.333
moles of atoms give off light simultaneously. (c = 2.9979 x 10 m/s, h =
6.626 x 10-34 J*s)
[7.047 x 1014 hz]
[4.670 x 10-1º J]
[93.6 kJ]](https://content.bartleby.com/qna-images/question/9b0e7686-0c0d-4eba-ac81-54e736b47f2f/7675d7f3-4ec3-4cdb-87fc-739a86314226/b4fkd7x_thumbnail.jpeg)
Transcribed Image Text:1. A potassium vapor sign consists of K atoms which give off violet light
(O = 425.4 nm). a. Calculate the frequency for this wavelength. b.
Calculate the E when only one atom gives off light and when 0.333
moles of atoms give off light simultaneously. (c = 2.9979 x 10 m/s, h =
6.626 x 10-34 J*s)
[7.047 x 1014 hz]
[4.670 x 10-1º J]
[93.6 kJ]
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