Q1. Study the phenol/water phase diagram below and answer the following questions regarding systems occurring at 30 °C in equilibrium 66.8° Temperature (°C) 30 VIII 0 One liquid phase h AWW Water (A) Phenol (B) d W Two liquid phases 11% Phenol 63% Phenol C | | 0 g 1 20 40 60 i Phenol in water (% by weight) 80 100 A. Calculate the amount of phenol (g) in the water-rich phase and the phenol- rich phase at point (d) 24%w/w phenol in water, where the two liquid phases separate at 7% and 70% of phenol respectively, assuming total weight of system is 135g. B. What is the total amount of water (g) in the water-rich phase and the phenol- rich phase at 60%w/w phenol assuming total weight of system is 50g. C. Determine the concentration (i.e. %w/w phenol in water) at which the system separates into equal weights of water-rich and phenol-rich phases, and calculate the weight of phenol and water in these conjugate phases assuming total weight of system is 45g.

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
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Q1. Study the phenol/water phase diagram below and answer the following questions
regarding systems occurring at 30 °C in equilibrium
66.8°
Temperature (°C)
30
VIII
0
One liquid phase
h
AWW Water (A)
Phenol (B)
d
W
Two liquid phases
11%
Phenol
63%
Phenol
C
|
|
0
g
1
20
40
60
i
Phenol in water (% by weight)
80
100
A. Calculate the amount of phenol (g) in the water-rich phase and the phenol-
rich phase at point (d) 24%w/w phenol in water, where the two liquid phases
separate at 7% and 70% of phenol respectively, assuming total weight of
system is 135g.
B. What is the total amount of water (g) in the water-rich phase and the phenol-
rich phase at 60%w/w phenol assuming total weight of system is 50g.
C. Determine the concentration (i.e. %w/w phenol in water) at which the system
separates into equal weights of water-rich and phenol-rich phases, and
calculate the weight of phenol and water in these conjugate phases
assuming total weight of system is 45g.
Transcribed Image Text:Q1. Study the phenol/water phase diagram below and answer the following questions regarding systems occurring at 30 °C in equilibrium 66.8° Temperature (°C) 30 VIII 0 One liquid phase h AWW Water (A) Phenol (B) d W Two liquid phases 11% Phenol 63% Phenol C | | 0 g 1 20 40 60 i Phenol in water (% by weight) 80 100 A. Calculate the amount of phenol (g) in the water-rich phase and the phenol- rich phase at point (d) 24%w/w phenol in water, where the two liquid phases separate at 7% and 70% of phenol respectively, assuming total weight of system is 135g. B. What is the total amount of water (g) in the water-rich phase and the phenol- rich phase at 60%w/w phenol assuming total weight of system is 50g. C. Determine the concentration (i.e. %w/w phenol in water) at which the system separates into equal weights of water-rich and phenol-rich phases, and calculate the weight of phenol and water in these conjugate phases assuming total weight of system is 45g.
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