88.2 Surface phenomenon 8.2.3 Vapor pressure under curved surface Artificial rainfall H 28.56 P R 35.42 Relative humidity(RH): 30C, 100%0, 4.242 kPa 70%.2.969kPa 13 For condensation: At 30 oC, in order to form a droplet of 1 nm in radius from the air with rh of 70%. the vapor pressure should be as low as 1.438 kPa 19 corresponding to ca oC 10.59 13.612 78.47 2)Increase the initial radius of the embryo: dust, 16505 AgCl particles 17.305
Artificial rainfall ln vap m H p k RT = − + 2) Increase the initial radius of the embryo: dust, AgCl particles 8.2.3 Vapor pressure under curved surface §8.2 Surface phenomenon of liquid Relative humidity (RH): 30 oC, 100%, 4.242 kPa 70%, 2.969 kPa For condensation: At 30 oC, in order to form a droplet of 1 nm in radius from the air with RH of 70%, the vapor pressure should be as low as 1.438 kPa corresponding to ca. _______ oC
88.2 Surface phenomenon of liquid 8.2.3 Vapor pressure under curved surface let can not form from the pure saturated vapor spontaneously. Therefore, in clean systems, large degrees of O supersaturation or super-cooling are possible Is embryo of a new phase possible? fluctuation Microscopic fluctuation plays important role in formation of new phase
Is embryo of a new phase possible? Droplet can not form from the pure saturated vapor spontaneously. Therefore, in clean systems, large degrees of supersaturation or super-cooling are possible. Microscopic fluctuation plays important role in formation of new phase. fluctuation 8.2.3 Vapor pressure under curved surface §8.2 Surface phenomenon of liquid