A quantitative study of nucleation in vapor mixtures of ethanol and water near 273°C is presented. First, Reiss' theory of binary nucleation is reexamined. The theory is modified slightly in order to yield the proper limit for homogeneous nucleation in a one-component system. Moreover, a corrected expression for the equilibrium concentration of mixed clusters is derived. Calculations of the critical vapor activities needed to produce a visible condensate are presented and compared with the results of Flood's cloud chamber experiments. The agreement is only fair, but qualitative accord is found.
G. Wilemski, "Binary Nucleation. I. Theory Applied to Water-Ethanol Vapors," The Journal of Chemical Physics, vol. 62, no. 9, pp. 3763-3771, American Institute of Physics (AIP), May 1975.
The definitive version is available at http://dx.doi.org/10.1063/1.430945
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