Calculate the number of molecule in `2 xx 10^(-6)m^(3)` of a perfect gas at `27^(@) C` and at a pressure of 0.01 m of mercury. Mean KE of a molecule at `27^(@) C = 4xx10^(-11) J and g = 9.8 m//s^(2)`.

Calculate the number of molecules is 2 c.c of the perfect gas at 27^(@)C at a pressure of 10 cm. of mercury. Mean kinetic energy of each molecule at 27^(@)C = 7 xx 10^(-4) erg and acceleration due to gravity = 980 cm s^(-2) .

Calculate the number of molecules in 1" cm"^(3) of an ideal gas at 27^(@)C and a pressure of 10 mm of mercury. Mean kinetic energy of a molecule at 27^(@)C is 4xx10^(-14) erg, the density of mercury is 13.6 gm/c.c.

Calculate the number of molecules in 1 cc of an ideal gas at 27^(@)C a pressure of 10 mm of mercury. Mean kinetic energy of molecule at 27^(@)C is 4 xx 10^(-14) erg, the density of mercury is 13.6 g//cc .

Calculate the volume occupied by 4.045 xx 10^(2) molecules of oxygen at 27^(@)C and having a pressure of 700 torr.

The number of molecules in a litre of a gas at temperature of 27^(@)C and a pressure of 10^(6) dyne cm^(-2)

Calculate the volume occupied by 4.045xx10^(23) molecules of oxygen at 27^(@)C and having a pressure of 0.935 bar.

Calculate the number of molecules per unit volume of a perfect gas at 27^(@)C and 10mm of mercury. Density of mercury =13.6xx10^(3) kgm^(-3) and Boltzmann constant =1.38xx10^(-23)JK^(-1)

Number of molecules in a volumne of 4 cm^3 of a perfect monoatomic gas at same temperature T and at a pressure of 2 cm of mercury is close to ? (Given,mean kinetic energy of a molecule (at T) is 4 xx 10^(-14) erg, g = 980 cm//s^2 , density of mercury = 13.6 g//cm^3 )

Calculate the rms velocity of molecules of a gas of density 1.5 g litre^(-1) at a pressure of 2 xx 10^(6) N//m^(2) .

Estimate the mean free path of a molecule of air at 27^(@)C and one atmospheric pressure. Given average radius of each air molecule is 2.0 xx 10^(-10)m .