Sulfur dioxide (A) diffuses through a stagnant layer of air (B) of 2 cm thickness at 45oC and 1.2 bar total pressure. The partial pressures of SO2 on the two sides of the air layer are PA0 = 0.85 bar and PAL =0.15 bar, respectively. Considering Air is a non-diffusing component and DSO2-Air = 3.5×10-5 m2/sec, calculate:i- The molar flux of SO2ii- The velocities of the individual components with respect to a stationary observer.iii- The molar and the mass average velocities of the components.iv- The molar flux of SO2 with respect to an observer moving with the mass average velocity. Q2)Sulfur dioxide (A) diffuses through a stagnant layer of air (B) of 2 cm thickness at 45°Cand 1.2 bar total pressure. The partial pressures of SO2 on the two sides of the air layer arePa0 = 0.85 bar and PAL =0.15 bar, respectively. Considering Air is a non-diffusingcomponent and Dso2-Ai = 3.5×10° m²/sec, calculate:i- The molar flux of SO2ii- The velocities of the individual components with respect to a stationary observer.iii- The molar and the mass average velocities of the components.iv- The molar flux of SO2 with respect to an observer moving with the mass averagevelocity.

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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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Sulfur dioxide (A) diffuses through a stagnant layer of air (B) of 2 cm thickness at 45oC and 1.2 bar total pressure. The partial pressures of SO2 on the two sides of the air layer are PA0 = 0.85 bar and PAL =0.15 bar, respectively. Considering Air is a non-diffusing component and DSO2-Air = 3.5×10-5 m2/sec, calculate:
i- The molar flux of SO2
ii- The velocities of the individual components with respect to a stationary observer.
iii- The molar and the mass average velocities of the components.
iv- The molar flux of SO2 with respect to an observer moving with the mass average velocity.

Q2)
Sulfur dioxide (A) diffuses through a stagnant layer of air (B) of 2 cm thickness at 45°C
and 1.2 bar total pressure. The partial pressures of SO2 on the two sides of the air layer are
Pa0 = 0.85 bar and PAL =0.15 bar, respectively. Considering Air is a non-diffusing
component and Dso2-Ai = 3.5×10° m²/sec, calculate:
i- The molar flux of SO2
ii- The velocities of the individual components with respect to a stationary observer.
iii- The molar and the mass average velocities of the components.
iv- The molar flux of SO2 with respect to an observer moving with the mass average
velocity.

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