Question 1: Answer the followin A) 1) A simple rectifying column consists of a tube arranged vertically and supplied at the bottom with a mixture of benzene and toluene as vapor. At the top, a condenser returns some of the product as a reflux that flows in a thin film down the inner wall of the tube. The tube is insulated, and heat losses can be neglected. At one point in the column, the vapor contains 70 mol. % benzene, and the adjacent liquid reflux contains 59 mol.% benzene. The temperature at this point is 365 K. Assuming the diffusional resistance to vapor transfer to be equivalent to the diffusional resistance of a stagnant vapor layer of 0.2 mm thick, calculate the rate of interchange of benzene and toluene between vapor and liquid. The molar latent heats of the two materials can be taken as equal. The vapor pressure of toluene at 365 K is 54.0 kN/m², and the diffusivity of the vapors is 0.051 cm²/s. B) Show that DAB-DBA for NA--NB. Feed
Question 1: Answer the followin A) 1) A simple rectifying column consists of a tube arranged vertically and supplied at the bottom with a mixture of benzene and toluene as vapor. At the top, a condenser returns some of the product as a reflux that flows in a thin film down the inner wall of the tube. The tube is insulated, and heat losses can be neglected. At one point in the column, the vapor contains 70 mol. % benzene, and the adjacent liquid reflux contains 59 mol.% benzene. The temperature at this point is 365 K. Assuming the diffusional resistance to vapor transfer to be equivalent to the diffusional resistance of a stagnant vapor layer of 0.2 mm thick, calculate the rate of interchange of benzene and toluene between vapor and liquid. The molar latent heats of the two materials can be taken as equal. The vapor pressure of toluene at 365 K is 54.0 kN/m², and the diffusivity of the vapors is 0.051 cm²/s. B) Show that DAB-DBA for NA--NB. Feed
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Fluid Mechanics II
Transcribed Image Text:Question 1: Answer the followin
A) 1)
A simple rectifying column consists of a tube arranged vertically and supplied at the bottom with a mixture
of benzene and toluene as vapor. At the top, a condenser returns some of the product as a reflux that flows in a
thin film down the inner wall of the tube. The tube is insulated, and heat losses can be neglected. At one point
in the column, the vapor contains 70 mol. % benzene, and the adjacent liquid reflux contains 59 mol.% benzene.
The temperature at this point is 365 K. Assuming the diffusional resistance to vapor transfer to be equivalent
to the diffusional resistance of a stagnant vapor layer of 0.2 mm thick, calculate the rate of interchange of
benzene and toluene between vapor and liquid. The molar latent heats of the two materials can be taken as
equal. The vapor pressure of toluene at 365 K is 54.0 kN/m², and the diffusivity of the vapors is 0.051 cm²/s.
B) Show that DAB-DBA for NA--NB.
Feed
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