Sackur–Tetrode equation

From SklogWiki
Jump to: navigation, search
Simeq0.png This article is a 'stub' page, it has no, or next to no, content. It is here at the moment to help form part of the structure of SklogWiki. If you add sufficient material to this article then please remove the {{Stub-general}} template from this page.

The Sackur–Tetrode equation provides the entropy (S) of an ideal gas (classical). It is given by

S=N k_B \ln \left[ \left( \frac{2 \pi m  k_B T}{h^2} \right)^{3/2} \frac{k_BT}{p}  \exp(5/2)\right]

where k_B is the Boltzmann constant, T is the temperature, p is the pressure, m is the mass of the gas particle, N is the numer of particles and h is the Planck constant.

References[edit]

  1. O. Sackur "Die universelle Bedeutung des sog. elementaren Wirkungsquantums", Annalen der Physik 40 pp. 67-86 (1913)
  2. H. Tetrode "Die chemische Konstante der Gase und das elementare Wirkungsquantum", Annalen der Physik 38 pp. 434-442 (1912)
  3. H. Tetrode "Berichtigung zu meiner Arbeit: 'Die chemische Konstante der Gase und das elementare Wirkungsquantum'", Annalen der Physik 39 pp. 255-256 (1913)