A tank used for filling helium balloons has a volume of and contains of helium gas at
CHEMISTRY · Multi-part · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures
Problem
A tank used for filling helium balloons has a volume of 0.3 m3 and contains 2.0 mol of helium gas at 20.0∘C. Assuming that the helium behaves like an ideal gas.
(a) What is the total translational kinetic energy of the molecules of the gas?
(b) What is the average kinetic energy per molecule?