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in why vibrational excitation of molecules by electron impact mostly proceeds through intermediate electron attachment and not by simple elastic collisi

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter9: Condensed Matter Physics

Section: Chapter Questions

Problem 44P: In a physics lab, you measure the vibrational- rotational spectrum of HCl. The estimated separation...

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1A. Explain why vibrational excitation of molecules by electron impact mostly proceeds through intermediate electron attachment and not by simple elastic collision.

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In a physics lab, you measure the vibrational- rotational spectrum of HCl. The estimated separation between absorption peaks is f5.51011Hz . The central frequency of the band is f0=9.01013Hz . (a) What is the moment of inertia (I)? (b) What is the energy of vibration for the molecule?
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