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3.5 Two bulbs are connected by a tube, 0.002 m in diameter and 0.20 m in length. Initially bulb 1 contains argon, and bulb 2 con- tains xenon. The pressure and temperature are maintained at 1 atm and 105°C, at which the diffusivity is 0.180 cm²/s. At time t = 0, diffusion is allowed to occur between the two bulbs. At a later time, the argon mole fraction in the gas at end 1 of the tube is 0.75, and 0.20 at the other end. Determine at the later time: (a) The rates and directions of mass transfer of argon and xenon (b) The transport velocity of each species (c) The molar average velocity of the mixture

3.5 Two bulbs are connected by a tube, 0.002 m in diameter and 0.20 m in length. Initially bulb 1 contains argon, and bulb 2 con- tains xenon. The pressure and temperature are maintained at 1 atm and 105°C, at which the diffusivity is 0.180 cm²/s. At time t = 0, diffusion is allowed to occur between the two bulbs. At a later time, the argon mole fraction in the gas at end 1 of the tube is 0.75, and 0.20 at the other end. Determine at the later time: (a) The rates and directions of mass transfer of argon and xenon (b) The transport velocity of each species (c) The molar average velocity of the mixture

Introduction to Chemical Engineering Thermodynamics
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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**Problem 3.5: Diffusion in Connected Bulbs** Two bulbs are connected by a tube, 0.002 m in diameter and 0.20 m in length. Initially, bulb 1 contains argon, and bulb 2 contains xenon. The pressure and temperature are maintained at 1 atm and 105°C, at which the diffusivity is 0.180 cm²/s. At time \( t = 0 \), diffusion is allowed to occur between the two bulbs. At a later time, the argon mole fraction in the gas at end 1 of the tube is 0.75, and 0.20 at the other end. Determine at the later time: (a) The rates and directions of mass transfer of argon and xenon (b) The transport velocity of each species (c) The molar average velocity of the mixture
Transcribed Image Text:**Problem 3.5: Diffusion in Connected Bulbs** Two bulbs are connected by a tube, 0.002 m in diameter and 0.20 m in length. Initially, bulb 1 contains argon, and bulb 2 contains xenon. The pressure and temperature are maintained at 1 atm and 105°C, at which the diffusivity is 0.180 cm²/s. At time \( t = 0 \), diffusion is allowed to occur between the two bulbs. At a later time, the argon mole fraction in the gas at end 1 of the tube is 0.75, and 0.20 at the other end. Determine at the later time: (a) The rates and directions of mass transfer of argon and xenon (b) The transport velocity of each species (c) The molar average velocity of the mixture
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on problem B 

 

equation 1) what symbol is that? it looks like a N or an X ,

can you tell me the symbols for transport velocities and mass transfer

 

thanks 

can you clarify more on what the symbolism is for that equation 

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