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Drug released (u mol A) 0.20 0.15 0.10 0.05 0.00 10 15 Time (h) 20 25 a) State the differential mass balance for diffusion through a membrane. b) State the boundary conditions. c) Explain why this system can be modeled at steady-state. d) Solve the differential equation and use the solution and Fick's Law to estimat diffusion coefficient.

Drug released (u mol A) 0.20 0.15 0.10 0.05 0.00 10 15 Time (h) 20 25 a) State the differential mass balance for diffusion through a membrane. b) State the boundary conditions. c) Explain why this system can be modeled at steady-state. d) Solve the differential equation and use the solution and Fick's Law to estimat diffusion coefficient.

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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Drug released (u mol A) 0.20 0.15 0.10 0.05 0.00 0 10 Time (h) 15 20 25 a) State the differential mass balance for diffusion through a membrane. b) State the boundary conditions. c) Explain why this system can be modeled at steady-state. d) Solve the differential equation and use the solution and Fick's Law to estimate the diffusion coefficient.
Transcribed Image Text:Drug released (u mol A) 0.20 0.15 0.10 0.05 0.00 0 10 Time (h) 15 20 25 a) State the differential mass balance for diffusion through a membrane. b) State the boundary conditions. c) Explain why this system can be modeled at steady-state. d) Solve the differential equation and use the solution and Fick's Law to estimate the diffusion coefficient.
Impermeable. barrier Skin surface Drug patch Infected body tissue (sink for drug) -Drug reservoir -Gel diffusion barrier
Transcribed Image Text:Impermeable. barrier Skin surface Drug patch Infected body tissue (sink for drug) -Drug reservoir -Gel diffusion barrier
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