CHEMISTRY · Subjective · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures
Problem
Three gases—carbon monoxide (CO, molar mass 28 g mol⁻¹), nitrogen dioxide (NO₂, molar mass 46 g mol⁻¹), and sulfur dioxide (SO₂, molar mass 64 g mol⁻¹)—are each at the same temperature. List the gases in order from fastest to slowest root-mean-square speed.