Q3-A stream of humid air enters a condenser in which 95% of the water vapor in the air is condensed. The flow rate of the condensate (the liquid leaving the condenser) is measured and found to be 225 L/h. Dry air may be taken to contain 21 mole% oxygen, with the balance nitrogen. Calculate the flow rate of the gas stream leaving the condenser and the mole fractions of oxygen, nitrogen, and water in this stream. i(mol dry air/h) 0.21 mol 02/mol 0.79 mol N/mol nz(mol H20/h) ng(mol 0,/h) ig(mol N/h) ng(mol H20 (v)/h) 225 liters H20 (1)/h ig(mol H20 (1)/h) (95% of water in feed)
Q3-A stream of humid air enters a condenser in which 95% of the water vapor in the air is condensed. The flow rate of the condensate (the liquid leaving the condenser) is measured and found to be 225 L/h. Dry air may be taken to contain 21 mole% oxygen, with the balance nitrogen. Calculate the flow rate of the gas stream leaving the condenser and the mole fractions of oxygen, nitrogen, and water in this stream. i(mol dry air/h) 0.21 mol 02/mol 0.79 mol N/mol nz(mol H20/h) ng(mol 0,/h) ig(mol N/h) ng(mol H20 (v)/h) 225 liters H20 (1)/h ig(mol H20 (1)/h) (95% of water in feed)
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:Q3-A stream of humid air enters a condenser in which 95% of the water vapor in the air is condensed.
The flow rate of the condensate (the liquid leaving the condenser) is measured and found to be
225 L/h. Dry air may be taken to contain 21 mole% oxygen, with the balance nitrogen. Calculate
the flow rate of the gas stream leaving the condenser and the mole fractions of oxygen, nitrogen,
and water in this stream.
filmol dry air/h)
0.21 mol 0/mol
I 0.79 mol N/mol
iz(mol H,0/h)
nglmol O,/h)
ig(mol N/h)
ng(mol H20 (v)/h)
225 liters H,0 (1)/h
ig(mol H20 (1)/h)
(95% of water in feed)
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