A sample of helium and neon gases has a temperature of `300 K` and pressure of `1.0 atm`. The molar mass of helium is `4.0 g//mol` and that of neon is `20.2 g//mol`.
(a) Find the rms speed of the helium atoms and of the neon atoms.
(b) What is the average kinetic energy per atom of each gas ?

A sample of helium gas is at a temperature of 300 K and a pressure of 0.5 atm . What is the average kinetic energy of a molecule of a gas ?

A sample of helium gas is at a temperature of 300 K and a pressure of 0.5 atm . What is the average kinetic energy of a molecule of a gas ?

A closed container of volume 0.02 m^3 contains a mixture of neon and argon gases at a temperature of 27^@C and pressure of 1 times 10^5 N.m^-2 The total mass of the mixture is 28 g. IF the molar masses of neon and argon are20 and 40 g//mol respectively . find the masses of the individual gases in the container assuming then to be ideal. [R=8.314 J.mol^-1.K^-1 ]

A sealed container contains helium gas at 300 k . If it is heated to 600 K , the average kinetic energy of the helium atoms

A vessel of capacity 0.30 m^(3) contains 3.00 mol of helium gas at 20^(@)C . (i) Find the total thermal energy of the system. (ii) Find the average kinetic energy per molecule.

A tank used for filling helium balloons has a volume of 0 .3 m^3 and contains (2.0) mol of helium gas at 20 .0^@ C . Assuming that the helium behaves like an ideal gas. (a) What is the total translational kinetic energy of the molecules of the gas ? (b) What is the average kinetic energy per molecule ?

A tank used for filling helium balloons has a volume of 0 .3 m^3 and contains (2.0) mol of helium gas at 20 .0^@ C . Assuming that the helium behaves like an ideal gas. (a) What is the total translational kinetic energy of the molecules of the gas ? (b) What is the average kinetic energy per molecule ?

IF the density of helium gas is 0.178 g.L^-1 what will be the rms speed of helium molecules at STP?