Outline what is meant by the term root mean square speed of atoms.
CHEMISTRY · Multi-part · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures
Problem
1. Outline what is meant by the term *root mean square speed of atoms*.
(1) Outline what is meant by the term *root mean square speed of atoms*.
(2) Show that the root mean square (rms) speed of an atom can be written as vrms=M3RT , where R is the molar gas constant, T is the absolute temperature and M is the molar mass.
(3) Hence, calculate the rms speed of an oxygen molecule at a temperature of 25 °C.