What unit would you use if you were measuring the average kinetic energy of a substance?

The units used to express average kinetic energy of a substance is Joules.

Explanation:

Average kinetic energy is defined as the average of the kinetic energies of all the particles present in a system.

To calculate the average kinetic energy of the atom, we use the equation:

where,

K = average kinetic energy

k = Boltzmann constant =

T = temperature (it is expressed in Kelvins)

So, the units of K will be:

Hence, the units used to express average kinetic energy of a substance is Joules.

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