olecule in a gas undergoes 2e+09 collisions in each second. Suppose that every collision is effective in deactivating the molecule rotationally. Calculate the linewidth of rotational transitions in the molecule. Suppose that 6 collisions in 10 are effective. MHz Omit Answer X MH

olecule in a gas undergoes 2e+09 collisions in each second. Suppose that every collision is effective in deactivating the molecule rotationally. Calculate the linewidth of rotational transitions in the molecule. Suppose that 6 collisions in 10 are effective. MHz Omit Answer X MH

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter27: Molecular Fluorescence Spectroscopy

Section: Chapter Questions

Problem 27.6QAP

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Question

A molecule in a gas undergoes 2e+09 collisions in each second. Suppose that
(a) every collision is effective in deactivating the molecule rotationally. Calculate the linewidth of rotational transitions in the molecule.
(b) Suppose that 6 collisions in 10 are effective.
MHz
Submit Answer
XMH

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Step 1: a) Calculate the mean time between the collisions,

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Step 2: Calculate the energy change using uncertainty principle,

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Step 3: b) Suppose that 1 collision in 10 are effective,

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