# What is the average kinetic energy of the molecules in a gas at 273K?

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Jul 31, 2014

The average kinetic energy of the molecules is 5.66 × 10⁻²¹ J.

According to Kinetic Molecular Theory, the average kinetic energy of gas molecules is a function only of temperature.

The formula is

where

For a mole of molecules, the average kinetic energy is

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