Solution: On a warm summer day, a large mass of air
Chapter 19, Problem 19.31(choose chapter or problem)
On a warm summer day, a large mass of air (atmospheric pressure 1.01 * 105 Pa) is heated by the ground to 26.0C and then begins to rise through the cooler surrounding air. (This can be treated approximately as an adiabatic process; why?) Calculate the temperature of the air mass when it has risen to a level at which atmospheric pressure is only 0.850 * 105 Pa. Assume that air is an ideal gas, with g = 1.40. (This rate of cooling for dry, rising air, corresponding to roughly 1 C per 100 m of altitude, is called the dry adiabatic lapse rate.)
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