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1.
The time average of the kinetic energy of one molecule of a gas taken over a long period of time
2.
A cubical box with porous walls containing an equal number of 
and 
molecules is placed in a large evacuated chamber. The entire system is maintained at constant temperature 
The ratio of 
of molecules to that of the of molecules, found in the chamber outside the box after a short interval is
and molecules is placed in a large evacuated chamber. The entire system is maintained at constant temperature The ratio of of molecules to that of the of molecules, found in the chamber outside the box after a short interval is
3.
Consider a gas with density 
and 
as the root mean square velocity of its molecules contained in a volume. If the system moves as whole with velocity 
then the pressure exerted by the gas is
and as the root mean square velocity of its molecules contained in a volume. If the system moves as whole with velocity then the pressure exerted by the gas is
4.
When the pressure on 
of a gas in increased from 
to 
of mercury at constant temperature, the new volume of the gas will be
of a gas in increased from to of mercury at constant temperature, the new volume of the gas will be
5.
The temperature of an ideal gas is increased from 
to 
then percentage increase in 
is
to then percentage increase in is
6.
At what temperature, the mean kinetic energy of will be the same for molecules at 
will be the same for molecules at
7.
The root mean square speed of the molecules of a diatomic gas is 
When the temperature is doubled, the molecules dissociate into two atoms. The new root mean square speed of the atom is
When the temperature is doubled, the molecules dissociate into two atoms. The new root mean square speed of the atom is
8.
The specific heat of a gas
9.
The degrees of freedom of a stationary rigid body about its axis will be
10.
The gas in vessel is subjected to a pressure of 20 atmosphere at a temperature 
The pressure of the gas in a vessel after one half of the gas is released from the vessel and the temperature of the remainder is raised by 
is
The pressure of the gas in a vessel after one half of the gas is released from the vessel and the temperature of the remainder is raised by is