An open tank, 10 ft in diameter, containing benzene at 25 °C is exposed to air. Above the liquid surface is a stagnant air film 0.2 in. thick. If the pressure is the 1 atm. And the air temperature is 25 °C, what is the loss of benzene in lb/day? The specific gravity of benzene at 60 °F is 0.877. The concentration of benzene outside the film is negligible. For benzene, the vapor ressure at 25 °C is 100 torr, and the diffusivity in air is 0.08 cm²/s.

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
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Chapter1: Introduction
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01:
An open tank, 10 ft in diameter, containing benzene at 25 °C is exposed to air. Above the liquid
surface is a stagnant air film 0.2 in. thick. If the pressure is the 1 atm. And the air temperature
is 25 °C, what is the loss of benzene in lb/day? The specific gravity of benzene at 60 °F is
0.877. The concentration of benzene outside the film is negligible. For benzene, the vapor
ressure at 25 °C is 100 torr, and the diffusivity in air is 0.08 cm²/s.
Transcribed Image Text:01: An open tank, 10 ft in diameter, containing benzene at 25 °C is exposed to air. Above the liquid surface is a stagnant air film 0.2 in. thick. If the pressure is the 1 atm. And the air temperature is 25 °C, what is the loss of benzene in lb/day? The specific gravity of benzene at 60 °F is 0.877. The concentration of benzene outside the film is negligible. For benzene, the vapor ressure at 25 °C is 100 torr, and the diffusivity in air is 0.08 cm²/s.
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