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(A) According to the Kinetic Theory of Gases,the average translational kinetic energy of a gas molecule is given by the formula: $KE_{avg} = \frac{3}{

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kinetic energy

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(A) According to the Kinetic Theory of Gases,the average translational kinetic energy of a gas molecule is given by the formula: $KE_{avg} = \frac{3}{2} kT$,where $k$ is the Boltzmann constant and $T$ is the absolute temperature.Since $k$ is a universal constant and $T$ is given as constant for all gases,the average kinetic energy depends only on the temperature.Therefore,at a given temperature,the average kinetic energy of molecules of all gases remains the same,regardless of the nature of the gas.

The parameter that remains the same for molecules of all gases at a given temperature is:

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