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A cubical box of side 1 meter contains h...

A cubical box of side 1 meter contains heluim gas (atomic weight 4) at a pressure of `100N//m^2.` During and obervation time of 1 second, an atom travelling with the root-mean-square speed parallel to one of the edges of the cube, was found to make 500 hits with a particular wall, without any collision with other atoms. Take `R=25/3 Jmole-K and k=1.38xx10^-23J//K`
(a) Evalute the temperature of the gas.
(b) Evalute the average kinetic energy per atom.
(c) Evalute the total mass of helium gas in the box.

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