Pressure on Venus. At the surface of Venus the aver-age temperature is a balmy 460° C due to the greenhouse effect (global warming!), the pressure is 92 earth-atmospheres, and the acceleration due to gravity is 0.894 g earth . The atmosphere is nearly all CO 2 (molar mass 44.0 g/mol), and the temperature remains remarkably constant. Assume that the temperature does not change with altitude. (a) What is the atmospheric pressure 1.00 km above the surface of Venus? Express your answer in Venus-atmospheres and earth-atmospheres. (b) What is the root-mean-square speed of the CO 2 molecules at the surface of Venus and at an altitude of 1.00 km?
Pressure on Venus. At the surface of Venus the aver-age temperature is a balmy 460° C due to the greenhouse effect (global warming!), the pressure is 92 earth-atmospheres, and the acceleration due to gravity is 0.894 g earth . The atmosphere is nearly all CO 2 (molar mass 44.0 g/mol), and the temperature remains remarkably constant. Assume that the temperature does not change with altitude. (a) What is the atmospheric pressure 1.00 km above the surface of Venus? Express your answer in Venus-atmospheres and earth-atmospheres. (b) What is the root-mean-square speed of the CO 2 molecules at the surface of Venus and at an altitude of 1.00 km?
Pressure on Venus. At the surface of Venus the aver-age temperature is a balmy 460° C due to the greenhouse effect (global warming!), the pressure is 92 earth-atmospheres, and the acceleration due to gravity is 0.894 gearth. The atmosphere is nearly all CO2 (molar mass 44.0 g/mol), and the temperature remains remarkably constant. Assume that the temperature does not change with altitude. (a) What is the atmospheric pressure 1.00 km above the surface of Venus? Express your answer in Venus-atmospheres and earth-atmospheres. (b) What is the root-mean-square speed of the CO2 molecules at the surface of Venus and at an altitude of 1.00 km?
The number density of gas atoms at a certain location in the space above our planet is about 0.75 × 1011 m-3, and the pressure is 2.65 × 10-10 Pa in this region.
What is the temperature in this region, in degrees Celsius?
At the surface of Venus the average temperatureis a balmy 460C due to the greenhouse effect (global warming!),the pressure is 92 earth-atmospheres, and the acceleration due togravity is 0.894gearth. The atmosphere is nearly all CO2 (molar mass44.0 g/mol), and the temperature remains remarkably constant. Assumethat the temperature does not change with altitude. (a) What is the atmosphericpressure 1.00 km above the surface of Venus? Express youranswer in Venus-atmospheres and earth-atmospheres. (b) What is theroot-mean-square speed of the CO2 molecules at the surface of Venusand at an altitude of 1.00 km?
On Mars, the atmosphere is composed mainly of carbon dioxide. The value of the gas
constant for the Martian atmosphere is 192 J/kg-K, and the acceleration of gravity there
is 3.72 m/s?. At the average level of the Martian surface, the average temperature is 230
K, the pressure is 790 N/m?. At a certain altitude, the pressure is 680 N/m? and the
average temperature is 203 K.
6. The temperature lapse rate is:
A) – 0.01613 K/m
B) – 0.1613 K/m
C) – 1.613 K/m
D) None of the above
7. The altitude is:
A) 1200 m
B) 1675 m
C) 1765 m
D) None of the above
Chapter 18 Solutions
University Physics with Modern Physics (14th Edition)
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