Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 6 The Structure of Atoms - Study Questions - Page 247c: 58


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Work Step by Step

$c=\lambda\times\nu$ $\nu=2.998\times10^8\ m/s\div 470 \times10^{-9}\ m=6.38\times10^{14}\ 1/s$ Per photon: $E=h\times\nu$ $E=6.626\times10^{-34}\ J.s\times 7.31\times10^{14}\ 1/s=4.23\times10^{-19}\ J$ Number of photons: $2.5\times10^{-14}\ J/4.23\times10^{-19}\ J/photon=$ $59,102\ photons$
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