Problem 1: Humid air is enclosed in a 2.0OL flask at 40 Celsius. The flask is slowly cooled. When the temperature reaches 20 Celsius, drops of moisture become visible on the flask wall. Although the pressure in the flask changes when the temperature drops, it remains close enough to 1 atm for the psychrometric chart to provide a close interpretation of the behaviour of the system throughout the process. Use the chart to solve the following problems. a. What were the relative humidity, absolute humidity, and wet-bulb temperature of the air at 40 Celsius? b. Calculate the mass of the water in the flask.
Problem 1: Humid air is enclosed in a 2.0OL flask at 40 Celsius. The flask is slowly cooled. When the temperature reaches 20 Celsius, drops of moisture become visible on the flask wall. Although the pressure in the flask changes when the temperature drops, it remains close enough to 1 atm for the psychrometric chart to provide a close interpretation of the behaviour of the system throughout the process. Use the chart to solve the following problems. a. What were the relative humidity, absolute humidity, and wet-bulb temperature of the air at 40 Celsius? b. Calculate the mass of the water in the flask.
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:Compute for the following (Show your process-flow chart and complete solution):
Problem 1:
Humid air is enclosed in a 2.0OL flask at 40 Celsius. The flask is slowly cooled. When the temperature
reaches 20 Celsius, drops of moisture become visible on the flask wall. Although the pressure in the flask
changes when the temperature drops, it remains close enough to 1 atm for the psychrometric chart to
provide a close interpretation of the behaviour of the system throughout the process. Use the chart to
solve the following problems.
а.
What were the relative humidity, absolute humidity, and wet-bulb temperature of the air at 40
Celsius?
b. Calculate the mass of the water in the flask.
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