Law of Equipartition of Energy
Law of Equipartition of Energy: Overview
This topic discusses the example of two independent axes of rotation of a diatomic molecule. The law of equipartition of energy is illustrated with formulas and derivation here.
Important Questions on Law of Equipartition of Energy
The translational kinetic energy of molecule of a gas, at temperature is

State the types of degrees of freedom of non-rigid diatomic molecules.

Non-rigid diatomic gas molecules have both translaion and rotational degree of freedom.

Rigid diatomic molecules of gas have how many rotational degrees of freedom?

Why the maximum possible degrees of freedom are more for a non-rigid diatomic molecule as compared to a rigid diatomic molecule?

Two vibrational energy terms in the total energy of a non-rigid diatomic molecule, are present due to the kinetic energies of the two vibrating atoms.

The total number of degrees of freedom for a non-rigid diatomic molecule is equal to:

There are _____ translational degrees of freedom and three rotational degrees of freedom of Ozone.

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

Total number of degrees of freedom of a rigid diatomic molecule is


The mean kinetic energy of a vibrating diatomic molecule with two vibrational modes is ( Boltzman constant and Temperature)

The average energy per mole of an ideal gas of number of degrees of freedom equal to at temperature is _____.

Two ideal monatomic gases and at and are mixed. The number of moles in gas is and number of moles in gas is . What will be the temperature of the mixture?

The kinetic energy of of oxygen at is . Find the kinetic energy of of oxygen at .

State the law of equipartition of energy.

Using expression for pressure exerted by gas, deduce expression for
Kinetic energy per mole or kilomole.

Using expression for pressure exerted by gas, deduce expression for
Kinetic energy per unit volume

Using expression for pressure exerted by gas, deduce expression for
Kinetic energy of a gas

At temperature , the velocity of hydrogen gas becomes equal to the escape velocity from the earth's surface. The value of in is
