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 periodicity of enthalpy of vaporization for group 15 chemical elements.
Image showing periodicity of enthalpy of vaporization for group 15 chemical elements.

Units

kJ mol-1

Notes

None

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.
Explore the element of your choice through this periodic table.
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*
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**
103
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*Lanthanoids *
57
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70
**Actinoids **
89
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102