A gas has a temperature of 310 K and apressure of 101 kPa. (a) Find the volume occupied by 1.25 molof this gas, assuming it is ideal. (b) Assuming the gas moleculescan be approximated as small spheres of diameter 2.5 * 10-10 m,determine the fraction of the volume found in part (a) that isoccupied by the molecules. (c) In determining the propertiesof an ideal gas, we assume that molecules are points of zerovolume. Discuss the validity of this assumption for the case considered here.

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A gas has a temperature of 310 K and a
pressure of 101 kPa. (a) Find the volume occupied by 1.25 mol
of this gas, assuming it is ideal. (b) Assuming the gas molecules
can be approximated as small spheres of diameter 2.5 * 10-10 m,
determine the fraction of the volume found in part (a) that is
occupied by the molecules. (c) In determining the properties
of an ideal gas, we assume that molecules are points of zero
volume. Discuss the validity of this assumption for the case considered here.

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