Baseball reporters say that long fly balls that would havecarried for home runs in July “die” in the cool air of October and are caught. The idea behind this observation isthat a baseball carries better when the air is less dense. Dryair is a mixture of gases with an effective molar mass of29.0 g mol-1 .(a) Compute the density of dry air on a July day when the temperature is 95.0°F and the pressure is 1.00 atm.(b) Compute the density of dry air on an October evening when the temperature is 50.0°F and the pressure is 1.00 atm.(c) Suppose that the humidity on the July day is 100%; thus, the air is saturated with water vapor. Is the density of this hot, moist air less than, equal to, or greater than the density of the hot, dry air computed in part (a)? In other terms, does high humidity favor the home run?
Baseball reporters say that long fly balls that would have
carried for home runs in July “die” in the cool air of October and are caught. The idea behind this observation is
that a baseball carries better when the air is less dense. Dry
air is a mixture of gases with an effective molar mass of
29.0 g mol-1 .
(a) Compute the density of dry air on a July day when the
temperature is 95.0°F and the pressure is 1.00 atm.
(b) Compute the density of dry air on an October evening
when the temperature is 50.0°F and the pressure is
1.00 atm.
(c) Suppose that the humidity on the July day is 100%;
thus, the air is saturated with water vapor. Is the density
of this hot, moist air less than, equal to, or greater than
the density of the hot, dry air computed in part (a)? In
other terms, does high humidity favor the home run?
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