An argon atom has a mass of and an experimentally measured root–mean–square speed of…

CHEMISTRY · Subjective · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures

Problem

An argon atom has a mass of

6.63\times10^{-26}\,\text{kg}

and an experimentally measured root–mean–square speed of

430\,\text{m}\,\text{s}^{-1}

at a certain temperature. Calculate the average kinetic energy of one argon atom under these conditions, reporting your answer in joules.