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At the surface of Venus the average temperature is a balmy 460 ∘C due to the...

At the surface of Venus the average 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 44.0g/mol) and the temperature remains remarkably constant. We shall assume that the temperature does not change at all with altitude.
Part A
What is the atmospheric pressure 4.00 km above the surface of Venus? Express your answer in Earth-atmospheres.
Express your answer using two significant figures.
Part B
What is the atmospheric pressure 4.00 km above the surface of Venus? Express your answer in Venus-atmospheres.
Express your answer using two significant figures.
Part C
What is the root-mean-square speed of the CO2 molecules at the surface of Venus and at an altitude of 4.00 km ?

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