Physical Model For Vaporization
A simple physical model for the liquid-gas phase transformation has been proposed recently. It is suggested that the energy required to free an atom from the liquid is equivalent to the energy needed to overcome the surface resistance of the liquid. The model allows calculating the latent heat by multiplying the maximum surface area covering an atom (Fig. 1) with the surface tension and the number of atoms in the liquid. The calculated latent heat of vaporization values for the investigated 45 elements agrees well with experiments.
Read more about this topic: Enthalpy Of Vaporization
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