1.8. A 20-mol-% LiCI/H₂O solution is made by six different mixing processes: (a) Mix LiCl(s) with H₂O(1). (b) Mix H₂O(l) with a 25-mol-% LiCl/H₂O solution. (c) Mix LiCl H₂O(s) with H₂O(/). (d) Mix LiCl(s) with a 10-mol-% LiCl/H₂O solution. (e) Mix a 25-mol-% LICI/H₂O solution with a 10-mol-% LICI/H₂O solution. Mix LiCl-H₂O(s) with a 10-mol-% LICI/H₂O solution. Mixing in all cases is isothermal, at 25°C. For each part determine the heat effect in J.mol-1 of final solution.
1.8. A 20-mol-% LiCI/H₂O solution is made by six different mixing processes: (a) Mix LiCl(s) with H₂O(1). (b) Mix H₂O(l) with a 25-mol-% LiCl/H₂O solution. (c) Mix LiCl H₂O(s) with H₂O(/). (d) Mix LiCl(s) with a 10-mol-% LiCl/H₂O solution. (e) Mix a 25-mol-% LICI/H₂O solution with a 10-mol-% LICI/H₂O solution. Mix LiCl-H₂O(s) with a 10-mol-% LICI/H₂O solution. Mixing in all cases is isothermal, at 25°C. For each part determine the heat effect in J.mol-1 of final solution.
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
example 11.8
Transcribed Image Text:1.6. An LICI/H₂O solution at 25°C is made by adiabatically mixing cool water at 10
with a 20-mol-% LiCI/H₂O solution at 25°C. What is the composition of the soluti
formed?
11.7. A 20-mol-% LICI/H₂O solution at 25°C is made by mixing a 25-mol-% LICI/H₂
solution at 25°C with chilled water at 5°C. What is the heat effect in joules per mole c
final solution?
11.8. A 20-mol-% LICI/H₂O solution is made by six different mixing processes:
(a) Mix LiCl(s) with H₂O(1).
(b) Mix H₂O(l) with a 25-mol-% LiCl/H₂O solution.
(c) Mix LiCl H₂O(s) with H₂O(/).
(d) Mix LiCl(s) with a 10-mol-% LiCl/H₂O solution.
(e) Mix a 25-mol-% LICI/H₂O solution with a 10-mol-% LICI/H₂O solution.
(Mix LiCl-H₂O(s) with a 10-mol-% LICI/H₂O solution.
Mixing in all cases is isothermal, at 25°C. For each part determine the heat effect in
J.mol-1 of final solution.
11.9. A stream of 12 kg.s- of Cu(NO3)2-6H20 and a stream of 15 kg-s of water, both
at 25°C, are fed to a tank where mixing takes place. The resulting solution passes
through a heat exchanger that adjusts its temperature to 25°C. What is the rate of heat
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