Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 7 - Atomic Structure and Periodicity - Questions: 19

Answer

Frequency and photon energy are directly proportional to each other. Wavelength is inversely proportional to both frequency and photon energy. One joule equals $1 \frac{kg*m^2}{s^2}$.

Work Step by Step

The equation relating frequency to photon energy is $E=hv$, therefore, the two are directly proportional. The equations relating wavelength to frequency and photon energy to wavelength are $v\lambda=c$ and $E=hc/\lambda$, therefore, wavelength is inversely proportional to both frequency and photon energy. The definition of a joule was provided in the text.
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