100th anniversary of the Sackur–Tetrode equation
100th anniversary of the Sackur–Tetrode equation
Before we delve into its derivation, we abridge the history of the Sackur–Tetrode (ST) equation. While in his 1911 paper 4 Sackur develops the formula for the entropy S of a monatomic ideal gas as a function of the size of the elementary cell, in the subsequent paper 1 he …