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Enthalpy of vaporization

When the pressure of the vapour of an element in equilibrium with the liquid is 1 atmosphere, the liquid element boils. Complete conversion into vapour, requires the absorption of the the enthalpy of vaporization, %Delta;Hvap.

image showing Enthalpy of vaporization: group 11 periodicity for group 11 chemical elements


kJ mol-1



Literature sources

  1. G.W.C. Kaye and T.H. Laby in Tables of physical and chemical constants, Longman, London, UK, 15th edition, 1993.
  2. D.R. Lide, (Ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 79th edition, 1998.
  3. A.M. James and M.P. Lord in Macmillan's Chemical and Physical Data, Macmillan, London, UK, 1992.
  4. H. Ellis (Ed.) in Nuffield Advanced Science Book of Data, Longman, London, UK, 1972.