In an experiment on diffusivity, a tube of small diameter contained acetone at 25•C up to 1.35 cm height measured from the top. A gentle current of air was passes over the tube. The level of acetone in the tube has fallen to 2.85 cm (from top) after 6 hours. The barometric pressure was 752 mm and the vapor pressure of acetone 187 mm Hg. Determine the diffusivity of acetone in air at 25 C. What will be this diffusivity at 50C and 3 atmosphere total pressure? Density of acetone = 0.78 , molecular weight of acetone = 58.
In an experiment on diffusivity, a tube of small diameter contained acetone at 25•C up to 1.35 cm height measured from the top. A gentle current of air was passes over the tube. The level of acetone in the tube has fallen to 2.85 cm (from top) after 6 hours. The barometric pressure was 752 mm and the vapor pressure of acetone 187 mm Hg. Determine the diffusivity of acetone in air at 25 C. What will be this diffusivity at 50C and 3 atmosphere total pressure? Density of acetone = 0.78 , molecular weight of acetone = 58.
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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Transcribed Image Text:SHOW THE SOLUTION TO THIS PROBLEM.
In an experiment on diffusivity, a tube of small diameter contained acetone at 25•C up to 1.35 cm
height measured from the top. A gentle current of air was passes over the tube. The level of acetone
in the tube has fallen to 2.85 cm (from top) after 6 hours. The barometric pressure was 752 mm
and the vapor pressure of acetone 187 mm Hg. Determine the diffusivity of acetone in air at 25C.
What will be this diffusivity at 50C and 3 atmosphere total pressure? Density of acetone =
0.78. molecular weight of acetone = 58.
em3
ANSWER: 1.69 x 10-5 m
,0.629 x 10-5 m²
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