Modern Thermodynamics
- Chapter 1
12
Box 1.2 The Atmosphere of the Earth.
The pressure at any point in the atmosphere is due to the column of air above it. The atmosphere of the
Earth is not in thermodynamic equilibrium: its temperature is not uniform and the amounts of its chemical
constituents (N2, O2, Ar, CO2 etc.) are maintained at a nonequilibrium value through cycles of production
and consumption.
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