The actual diameter of an atom is about a tenth of a nanometer (10​ (mostly N​ and...

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Physics

The actual diameter of an atom is about a tenth of a nanometer(10​
(mostly N​ and O​ ) at room temperature and a pressure of oneatmosphere -- 10​ Pa.
1. Calculate the number of molecules in the sample ofgas.
2. Estimate the average spacing between the molecules.
3. Estimate the average speed of a molecule using the relationbetween the KE of a
molecule and the temperature.
4. Suppose that the gas were rescaled upwards so that eachatom was the size of a tennis
ball. What would be the average spacing betweenmolecules?

probably NO2(comprised mostly of N and O)

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