Abstract
The equilibrium state of solution droplets formed in the vapor of volatile components has been considered. The criterion of equilibrium of the solution droplets and the vapor of volatile organic compounds has been given, on whose basis the droplet size was estimated quantitatively as a function of the partial pressure of the components. In accordance with a thermodynamic description, the droplet size was unambiguously determined by the composition of a gas medium. The equilibrium state (radius and concentration) of droplets of ideal and real binary solutions has been compared at the same composition of the gas medium. It has been shown that the droplet size of the real solutions with a positive deviation from ideality exceeds the droplet size of the ideal solution, and the droplet size of the real solutions with a negative deviation from ideality is smaller than that of the ideal solution. The described regularities have been illustrated by microscopic photographs demonstrating the forming of an ensemble of secondary droplets.
Published Version
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