A drug capsule consist of a 0.50-cm diameter spherical bead containing a uniform initial concentration of 50 mg/cm³ of the active component. a) What is the residual concentration of the active component at the center of the spherical bead after 24 hours? b) The capsule is now a cube 0.50 cm on a side. Recalculate part (a) above. c) The capsule is now a cylindrical tablet of diameter 0.5 cm and thickness 0.25 cm. Recalculate part (a) above. The diffusion coefficient of the active component (A) in get matrix (B) is 1.3 x 10-7 cm²/s at a body temperature of 37°C.
A drug capsule consist of a 0.50-cm diameter spherical bead containing a uniform initial concentration of 50 mg/cm³ of the active component. a) What is the residual concentration of the active component at the center of the spherical bead after 24 hours? b) The capsule is now a cube 0.50 cm on a side. Recalculate part (a) above. c) The capsule is now a cylindrical tablet of diameter 0.5 cm and thickness 0.25 cm. Recalculate part (a) above. The diffusion coefficient of the active component (A) in get matrix (B) is 1.3 x 10-7 cm²/s at a body temperature of 37°C.
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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Transcribed Image Text:A drug capsule consist of a 0.50-cm diameter spherical bead
containing a uniform initial concentration of 50 mg/cm³ of the active
component.
a) What is the residual concentration of the active component at the
center of the spherical bead after 24 hours?
b) The capsule is now a cube 0.50 cm on a side. Recalculate part (a)
above.
c) The capsule is now a cylindrical tablet of diameter 0.5 cm and
thickness 0.25 cm. Recalculate part (a) above.
The diffusion coefficient of the active component (A) in get matrix (B)
is 1.3 x 10-7 cm²/s at a body temperature of 37°c.
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