For an ideal gas, the average transitional kinetic energy of any molecule is expressed by:

$\overline{){{\mathbf{K}}}_{\mathbf{a}\mathbf{v}\mathbf{g}}{\mathbf{=}}\frac{\mathbf{3}}{\mathbf{2}}{\mathbf{k}}{\mathbf{T}}}$ per molecule.

or

$\overline{){{\mathbf{K}}}_{{\mathbf{avg}}}{\mathbf{=}}\frac{\mathbf{3}}{\mathbf{2}}{\mathit{R}}{\mathbf{T}}}$ per mole.

When the temperature of an ideal gas is increased, which of the following also increases?

A. The mass of the gas atoms.

B. The number of gas atoms.

C. The average kinetic energy of the gas atoms.

D. The average potential energy of gas atoms.

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