how much heat have to be removed from the system for the dilute product to emerge at 100 F
how much heat have to be removed from the system for the dilute product to emerge at 100 F
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
Related questions
Question
Pure water is used to dilute 152 lbm of a sulfuric acid stream that has an initial mass fraction of H2SO4 equal to 0.85 in order to produce a diluted acid with an H2SO4 mass fraction of 0.45 . The temperature of the water is 40 °F and that of the concentrated acid is 77 °F.
An enthalpy-composition diagram for the system is shown below.
how much heat have to be removed from the system for the dilute product to emerge at 100 F?
|Q| = Btu
Transcribed Image Text:Ĥ(Btu/lbm solution)
100
80
60
40
20
-20
-40
-60
-80
-100
-120
-140
0
0.10 0.20 0.30
32°F
60
40
200°F
80
0.40 0.50 0.60
Mass fraction of H₂SO4
0.70
Freezing line
0.80 0.90 1.00
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