Liquid acetone (CaH.O) is fed at the rate of 4OOL/min into a heated chamber, where it evaporates into a nitrogen stream. The gas leaving the heater is diluted by another nitrogen stream flowing at a measured rate of 419 m (STP) /min. The combined gases

Introduction to Chemical Engineering Thermodynamics
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Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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2. Liquid acetone (CaH.O) is fed at the rate of 400L/min into a heated chamber, where it
evaporates into a ritrogen stream. The gas leaving the heater is diluted by another
nitrogen stream flowing at a measured rate of 419 m (STP) / min. The combined gases
are then compressed to a total pressure of 6.3 atm gauge at a temperature of 325°C.
The partial pressure of acetone in this stream is 501 mmHg. Afmospheric pressure is 763
mmHg. The density of liquid acetone is 0.791 g/cm?.
a. What is the molar composition of the stream leaving the compressor?
b. What is the volumetric flowrate (m/min) of the nitrogen entering the evaporator if
the temperature and pressure of this stream are 27 C and 475 mmHg gauge.
Transcribed Image Text:2. Liquid acetone (CaH.O) is fed at the rate of 400L/min into a heated chamber, where it evaporates into a ritrogen stream. The gas leaving the heater is diluted by another nitrogen stream flowing at a measured rate of 419 m (STP) / min. The combined gases are then compressed to a total pressure of 6.3 atm gauge at a temperature of 325°C. The partial pressure of acetone in this stream is 501 mmHg. Afmospheric pressure is 763 mmHg. The density of liquid acetone is 0.791 g/cm?. a. What is the molar composition of the stream leaving the compressor? b. What is the volumetric flowrate (m/min) of the nitrogen entering the evaporator if the temperature and pressure of this stream are 27 C and 475 mmHg gauge.
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