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qUESTIONS

At a given temperature the root mean square velocities of oxygen and hydrogen molecules are in the ratio

If the oxygen (02) has root mean square velocity of C ms-1, then root mean square velocity of the hydrogen (H2) will be

The number of translational degrees of freedom for a diatomic gas is

The temperature of argon, kept in a vessel, is raised by 1°C at a constant volume. The total heat supplied to the gas is a combination of translational and rotational energies. Their respective shares are

The degrees of freedom of a triatomic gas is

For a gas R/Cv= 0.67. This gas is made up of molecules which are

A cylinder of fixed capacity (of 44.8 litres) contains 2 moles of helium gas at STP. What is the amount of heat needed to raise the temperature of the gas in the cylinder by 20°C (Use R=8.31 J mol^-1 k^-1)

Which of the following statements about kinetic theory of gases is wrong?

Figure shows two flasks connected to each other. The volume of the flask 1 is twice that of flask 2. The system is filled with an ideal gas at temperature 100 K and 200 K respectively. If the mass of the gas in 1 be m, then what is the mass of the gas in flask 2

A balloon contains 500m^3 of helium at 27°C and 1 atmosphere pressure. The volume of the helium at -3°C temperature and 0.5 atmosphere pressure will be

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