Calculate the ratio of mean square speeds of molecules of a gas at 30 k and 120 k.

The molecules of a given mass of a gas have root mean square speeds of 100 m s ^(-1) at 27^@C and 1.00 atmospheric pressure . What will be the root mean square speeds of the molecules of the gas at 127^@C and 2.0 atmospheric pressure ?

Two vessels A and B are filled with same gas where volume, temperature and pressure in vessel A is twice the volume, temperature and pressure in vessel B. Calculate the ratio of number of molecules of gas in vessel A to that in vessel B.

What will happen to the mean square speed of the molecules of a gas if the temperature of the gas increases ?

The root mean square speed of hydrogen molecules at 300 K is 1930 m//s . Then the root mean square speed of oxygen molecules having the same mass at 900 K will be

The mean square speed of a gas molecules in equilibrium is

The mean energy of a molecule of an ideal gas is

What is the de Broglie wavelength of a nitrogen molecule, in air at 300 K ? Assume that the molecule is moving with the root-mean-square speed of molecules at this temperature. (Atomic mass of nitrogen = 14.0076 u, k = 1.38 xx 10^-23 J K^-1)

The ratio of root mean square speed and average speed of a gas molecule, at a particular temperature is "___________" .

Select and write the most appropriate answer from the given alternatives for each sub-questions:- If the absolute temperature of a gas is increased 3 times, the root mean square velocity of the molecules of the gas will be