3. Suppose you have a curve of pH.0 versus T , and you are given the temperature and pres- sure (To and Po) of a mixture of water and noncondensable gases. a. Define the dew point of the gas. Would the vapor be saturated or superheated if To > Tdp? If To = Tdp? b. If you are told that the gas is saturated, how would you calculate the mole fraction of water in it? What would happen to the vapor if you (i) heated the gas isobarically (at constant pressure), (ii) cooled the gas isobarically, (iii) compressed the gas isothermally (at constant temperature), and (iv) expanded the gas isothermally? c. If you are given the mole fraction of water in the gas, how would you calculate the dew point of the gas? d. If you are given the degrees of superheat of the gas, how would you calculate the mole fraction of water in the gas?
3. Suppose you have a curve of pH.0 versus T , and you are given the temperature and pres- sure (To and Po) of a mixture of water and noncondensable gases. a. Define the dew point of the gas. Would the vapor be saturated or superheated if To > Tdp? If To = Tdp? b. If you are told that the gas is saturated, how would you calculate the mole fraction of water in it? What would happen to the vapor if you (i) heated the gas isobarically (at constant pressure), (ii) cooled the gas isobarically, (iii) compressed the gas isothermally (at constant temperature), and (iv) expanded the gas isothermally? c. If you are given the mole fraction of water in the gas, how would you calculate the dew point of the gas? d. If you are given the degrees of superheat of the gas, how would you calculate the mole fraction of water in the gas?
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:3. Suppose you have a curve of pH.0 versus T , and you are given the
sure (To and Po) of a mixture of water and noncondensable gases.
temperature and
pres-
a. Define the dew point of the gas. Would the vapor be saturated or superheated if To >
Tdp? If To = Táp?
b. If you are told that the gas is saturated, how would you calculate the mole fraction of
water in it? What would happen to the vapor if you (i) heated the gas isobarically (at
constant pressure), (ii) cooled the gas isobarically, (iii) compressed the gas isothermally
(at constant temperature), and (iv) expanded the gas isothermally?
c. If you are given the mole fraction of water in the gas, how would you calculate the dew
point of the gas?
d. If you are given the degrees of superheat of the gas, how would you calculate the mole
fraction of water in the gas?
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