Enter the temperature of an ideal gas into the calculator to determine the average kinetic energy of the particles in the gas.

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## Average Kinetic Energy Formula

The following formula is used to calculate the average kinetic energy of a gas.

K = (3/2) * (R / N) * T

- Where K is the average kinetic energy (Joules)
- R is the gas constant (8.314 J/mol * K)
- N is Avogadro’s number (6.022 * 10
^{23}atoms/mol) - T is the temperature in Kelvin

To calculate the average kinetic energy of a gas, divide the gas constant by Avogadro’s number, multiply by the temperature, then again by (3/2).

## Average Kinetic Energy Definition

Average kinetic energy is defined as the average energy contained within the movement of particles of a gas.

## Average Kinetic Energy Example

How to calculate average kinetic energy?

**First, determine the temperature of the gas.**Determine the temperature of the gas and depending on the units, convert them to units of Kelvin.

**Calculate the average kinetic energy.**Plug in the value of the temperature in Kelvin into the formula to determine the average kinetic energy.

## FAQ

**What is the average kinetic energy of a gas?**

The average kinetic energy of a gas can be calculated using the formula (3/2)*(R/N)*T for ideal gases only.