onsider liquid n - hexane in a 50 - mm - diameter graduated cylinder. The distance from the liquid - gas interface to the top of the cylinder is 20 cm. The steady - state n - hexane evaporation rate is 8.2.10-4 kg / s and the n - hexane mass fraction at the liquid - air interface is 0.482. The diffusivity of n - hexane in air is 8.0. 10 ^ m / s. A. Determine the mass flux of n - hexane vapor. Give units. B. Determine the bulk flux of n - hexane vapor, i.e. , that portion associ ated with the bulk flow, at the liquid - gas interface. C. Determine the diffusional flux of n - hexane vapor at the liquid - gas interface.
onsider liquid n - hexane in a 50 - mm - diameter graduated cylinder. The distance from the liquid - gas interface to the top of the cylinder is 20 cm. The steady - state n - hexane evaporation rate is 8.2.10-4 kg / s and the n - hexane mass fraction at the liquid - air interface is 0.482. The diffusivity of n - hexane in air is 8.0. 10 ^ m / s. A. Determine the mass flux of n - hexane vapor. Give units. B. Determine the bulk flux of n - hexane vapor, i.e. , that portion associ ated with the bulk flow, at the liquid - gas interface. C. Determine the diffusional flux of n - hexane vapor at the liquid - gas interface.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Consider liquid n - hexane in a 50 - mm - diameter graduated cylinder. The distance from the liquid - gas interface to the top of the cylinder is 20 cm. The steady - state n - hexane evaporation rate is 8.2.10-4 kg / s and the n - hexane mass fraction at the liquid - air interface is 0.482. The diffusivity of n - hexane in air is 8.0. 10 ^ m / s. A. Determine the mass flux of n - hexane vapor. Give units. B. Determine the bulk flux of n - hexane vapor, i.e. , that portion associ ated with the bulk flow, at the liquid - gas interface. C. Determine the diffusional flux of n - hexane vapor at the liquid - gas interface.
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