A huge amount of clean water at 78.98°F flowing past over a flat slab of solid CiH&O2. The velocity of this bulk fluid is 0.361 ft/s. The estimated length of the slab along direction of flow is 9.6 in. The solubility of the acid in H2O is 0.02948 kg mol/m². The diffusivity of the acid in water is 1.245 x 109 m²/s. For mass transfer in a fluid flowing parallel to flat plates, the correlation gives below holds good Jp = 0.99 Re12. Assuming dilute solution, calculate the rate of dissolution of benzoic acid per m? area of the flat plate. a. 6.92 x 10-7 kg mol/s b. 1.12 x 10-7 kg mol/s c. 12.02 x 10-7 kg mol's d. 2.32 x 10-7 kg mol/s
A huge amount of clean water at 78.98°F flowing past over a flat slab of solid CiH&O2. The velocity of this bulk fluid is 0.361 ft/s. The estimated length of the slab along direction of flow is 9.6 in. The solubility of the acid in H2O is 0.02948 kg mol/m². The diffusivity of the acid in water is 1.245 x 109 m²/s. For mass transfer in a fluid flowing parallel to flat plates, the correlation gives below holds good Jp = 0.99 Re12. Assuming dilute solution, calculate the rate of dissolution of benzoic acid per m? area of the flat plate. a. 6.92 x 10-7 kg mol/s b. 1.12 x 10-7 kg mol/s c. 12.02 x 10-7 kg mol's d. 2.32 x 10-7 kg mol/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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Transcribed Image Text:A huge amount of clean water at 78.98°F flowing past over a flat slab of solid C;H6O2. The
velocity of this bulk fluid is 0.361 ft/s. The estimated length of the slab along direction of
flow is 9.6 in. The solubility of the acid in H20 is 0.02948 kg mol/m?. The diffusivity of
the acid in water is 1.245 x 109 m?/s. For mass transfer in a fluid flowing parallel to flat
plates, the correlation gives below holds good JD = 0.99 Re-2. Assuming dilute solution,
calculate the rate of dissolution of benzoic acid per m? area of the flat plate.
a. 6.92 x 10-7 kg mol/s
b. 1.12 x 10-7 kg mol/s
c. 12.02 x 10-7 kg mol/s
d. 2.32 x 10-7 kg mol/s
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