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1. The volume of a gas at 0.64 m Hg pressure and 39 temperature is . What is its volume at

standard temperature and pressure?

2. If R= 8.31 J/Kmol, find the volume of 20 g oxygen at 27 and 72 cm Hg pressure.

3. Find the kinetic energy of 3 g nitrogen gas at 29. [ ghram molecular mass of nitrogen is

28g]

4. The mean free path of the molecules of a gas is is m and the diameter of a molecule is m

Find the number of molecules per .

5. The volume of air is made three times the original volume by adiabatic expansion. If the

initial pressure is 1 atmospheric pressure, what is the final pressure? (γ=1.4)