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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Barometric pressure can be understood using the Boltzmann distribution. The potential energy associated with being a given height above Earth’s surface is mgh, where m is the mass of the particle of interest, g is the acceleration due to gravity, and h is height. Using this definition of the potential energy, derive the following expression for pressure:
. Assuming that the temperature remains at 298 K, what would you expect the relative pressures of N2 and O2 to be at the tropopause, the boundary between the troposphere and stratosphere roughly 11 km above Earth’s surface? At Earth’s surface, the composition of air is roughly 78% N2, 21% O2, and 1% other gases.
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