H₂O → OH. The mole fraction of water vapor at z=8 is 1500 ppm. The reaction at the surface may be assumed to be instantaneous. No reaction occurs in the gas film. With the assumption that the catalyst surface is flat, determine the rate of water vapor diffusion per hour through one square meter of catalyst surface area. H₂O TI OH. Z=8 Z=0

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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Water vapor diffuses through an air film to a catalytic surface where it is converted to hydroxyl
radicals, very reactive oxidants, with the following reaction:
H₂O → OH.
The mole fraction of water vapor at z = 8 is 1500 ppm. The reaction at the surface may be
assumed to be instantaneous. No reaction occurs in the gas film. With the assumption that the
catalyst surface is flat, determine the rate of water vapor diffusion per hour through one square
meter of catalyst surface area.
H₂O
OH.
z = d
z = 0
Transcribed Image Text:Water vapor diffuses through an air film to a catalytic surface where it is converted to hydroxyl radicals, very reactive oxidants, with the following reaction: H₂O → OH. The mole fraction of water vapor at z = 8 is 1500 ppm. The reaction at the surface may be assumed to be instantaneous. No reaction occurs in the gas film. With the assumption that the catalyst surface is flat, determine the rate of water vapor diffusion per hour through one square meter of catalyst surface area. H₂O OH. z = d z = 0
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