Enthalpy of sublimation

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In thermodynamics, the enthalpy of sublimation, or heat of sublimation, is the heat required to sublimate (change from solid to gas) one mole of a substance at a given combination of temperature and pressure, usually standard temperature and pressure (STP). It is equal to the cohesive energy of the solid. For elemental metals, it is also equal to the standard enthalpy of formation of the gaseous metal atoms.[1] The heat of sublimation is usually expressed in kJ/mol, although the less customary kJ/kg is also encountered.

Sublimation enthalpies

symbol substances Sublimation enthalpy (kJ/mol)
Li lithium 159[1]
Na sodium 107[1]
K potassium 89[1]
Rb rubidium 81[1]
Cs caesium 76[1]
Mg magnesium 148[1]
Ca calcium 178[1]
Sr strontium 164[1]
Ba barium 180[1]
Fe iron 416[1]
Ni nickel 430[1]
Cu copper 338[1]
Zn zinc 131[1]
Ag silver 285[1]
W tungsten 849[1]
Au gold 366[1]
C graphite 717[1]
C diamond 715[1]
Si silicon 456[1]
Sn tin 302[1]
Pb lead 195[1]
Fm fermium 141[2]
I2 iodine 62.4[3]
C10H8 naphthalene 72.9[3]
CO2 carbon dioxide 25[3]
H2O water 51.1


See also

References

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  1. ↑ a b c d e f g h i j k l m n o p q r s t u v Oxtoby, D. W; Gillis, H.P., Butler, L. J. (2015).Principles of Modern Chemistry, Brooks Cole. Appendix D. ISBN 978-1305079113
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  3. ↑ a b c Script error: No such module "Citation/CS1".

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