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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