Calculate the value of mass transfer coefficient from a solid sphere of camphor to air at 40 °C and 1.5 atm flowing at a velocity of 45 cm/s. The diameter of the sphere is 22.5 mm. The diffusivity of camphor in air at 40 oC is 4.5 x 10-6 m²/s and the vapor pressure of solid camphor is 0.456 mmHg. Viscosity of air is 1.75 x10-5 Pa.s and the density of air is 0.00145 g/cm³. O a. 5.83 x10-5 mm/s O b. 5.83 x10-6 m/s O c. 5.83 cm/s o d. 5.83 x10-3 m/s
Calculate the value of mass transfer coefficient from a solid sphere of camphor to air at 40 °C and 1.5 atm flowing at a velocity of 45 cm/s. The diameter of the sphere is 22.5 mm. The diffusivity of camphor in air at 40 oC is 4.5 x 10-6 m²/s and the vapor pressure of solid camphor is 0.456 mmHg. Viscosity of air is 1.75 x10-5 Pa.s and the density of air is 0.00145 g/cm³. O a. 5.83 x10-5 mm/s O b. 5.83 x10-6 m/s O c. 5.83 cm/s o d. 5.83 x10-3 m/s
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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Calculate the value of mass transfer coefficient from a solid sphere of camphor to air at 40 oC and 1.5 atm flowing at a velocity of 45 cm/s. The diameter of the sphere is 22.5 mm. The diffusivity of camphor in air at 40 oC is 4.5 x 10-6 m2/s and the vapor pressure of solid camphor is 0.456 mmHg. Viscosity of air is 1.75 x10-5 Pa.s and the density of air is 0.00145 g/cm3.
Transcribed Image Text:Calculate the value of mass
transfer coefficient from a
solid sphere of camphor to air
at 40 °C and 1.5 atm flowing at
a velocity of 45 cm/s. The
diameter of the sphere is 22.5
mm. The diffusivity of
camphor in air at 40 oC is 4.5
x 10-6 m²/s and the vapor
pressure of solid camphor is
0.456 mmHg. Viscosity of air is
1.75 x10-5 Pa.s and the density
of air is 0.00145 g/cm³.
O a. 5.83 x10-5 mm/s
O b. 5.83 x10-6 m/s
O c. 5.83 cm/s
o d. 5.83 x10-3 m/s
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