(a) Derive an equation to predict the time tF for the drop to evaporate completely in a large volume of still air. Show all steps. (b) Calculate the time in seconds for complete evaporation.
(a) Derive an equation to predict the time tF for the drop to evaporate completely in a large volume of still air. Show all steps. (b) Calculate the time in seconds for complete evaporation.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A drop of liquid toluene is kept at a uniform temperature of 25.9°C and is suspended in air by a fine wire. The initial radius r1 = 2.00 mm. The vapor pressure of toluene at 25.9°C is PA1 = 3.84 kPa and the density of liquid toluene is 866 kg/m3.
(a) Derive an equation to predict the time tF for the drop to evaporate completely in a large volume of still air. Show all steps.
(b) Calculate the time in seconds for complete evaporation.
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