Question: (a) Find the speed for typical Ne, Ar, and Kr atoms and for typical H 2 , LiF, and Cl 2 molecules in the atmosphere

(a) Find the speed for typical Ne, Ar, and Kr atoms and for typical H2, LiF, and Cl2 molecules in the atmosphere at room temperature.

(b) Compare these typical speeds to the escape speed for an object in the Earth’s atmosphere. 

(c) Explain why the typical speed can be less than the escape speed, yet the atom or molecule would still not be found in the atmosphere.

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