Question: On Mars, the average temperature is -64 F and the average atmospheric pressure is 0.92 kPa. (a) What is the number of molecules per volume

On Mars, the average temperature is -64 °F and the average atmospheric pressure is 0.92 kPa.
(a) What is the number of molecules per volume in the Martian atmosphere?
(b) Is the number of molecules per volume on the Earth greater than, less than, or equal to the number per volume on Mars? Explain your reasoning.
(c) Estimate the number of molecules per volume in Earth's atmosphere.

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