Answer
A
Work Step by Step
$\lambda=310\ nm=0.31\times10^{-6}\ m$
$c=\lambda\times\nu$
$\nu=9.67\times10^{14}\ s$
$E=h\times\nu$
$E=6.41\times10^{-19}\ J/photon$
Per mol:
$E=385.9\ kJ/mol$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 6 The Structure of Atoms - 6-2 Quantization: Planc, Einstein, Energy, and Photons - Review & Check for Section 6-2 - Page 226: 1
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