Loose Leaf For Introduction To Chemical Engineering Thermodynamics
8th Edition
ISBN: 9781259878084
Author: Smith Termodinamica En Ingenieria Quimica, J.m.; Van Ness, Hendrick C; Abbott, Michael; Swihart, Mark
Publisher: McGraw-Hill Education
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Chapter 7, Problem 7.29P
(a)
Interpretation Introduction
Power output
(b)
Interpretation Introduction
(c)
Interpretation Introduction
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Homework 8
A stream of pure cyclopentane vapor flowing at a rate of 1650 L/s at 190.0°C and 1 atm enters a cooler in which 50.0% of the feed is
condensed at constant pressure.
Question 4 of 5
Correct
What is the temperature at the condenser outlet?
49.3
°℃
eTextbook and Media
Hint
Enthalpy Table
Your Answer Correct Answer (Used)
0.67/1
E
Attempts: 1 of 5 used
Prepare and fill in an inlet-outlet enthalpy table. Use a reference state of liquid cyclopentane at the boiling point.
In
T = 190.0°C
Out
T=49.3°C
Substance
n (mol/s)
Ĥ (kJ/mol) n (mol/s)
Ĥ (kJ/mol)
C5H10(1)
0.0
21.708
0.0
C5H10(V) 43.416
43.687
21.708
27.30
Heat
Check significant figures and sign.
Calculate the required cooling rate (a positive number).
! kW
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A liquid mixture of benzene and toluene containing 52.0 wt% benzene at 100.0 °C and pressure Po atm is fed at a rate of 32.5 m³/h into
a heated flash tank maintained at a pressure Ptank
Your answer is partially correct.
1.312
atm
Assistance Used
0.58/1
Calculate Ptank (atm), the mole fraction of benzene in the vapor, and the molar flow rates of the liquid and vapor products.
Ptank
i
atm
.657
Ybz
mol benzene/mol vapor product
nvapor
55.8
mol/s
nliquid
37.6
mol/s
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Energy Balance
Calculate the required heat input rate in kilowatts. i
kW
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Saturated steam at 342.1°C is used to heat a countercurrently flowing stream of methanol vapor from 70.0°C to 321.7°C in an
adiabatic heat exchanger. The flow rate of the methanol is 5530 standard liters per minute, and the steam condenses and leaves the
heat exchanger as liquid water at 95.0°C.
Physical Property Tables
Entering Steam
Homework 8
Question 3 of 5
Check unit conversions.
Calculate the required flow rate of the entering steam in m³/min.
0.0165
m³/min
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Heat Transferred
* Check units and significant figures.
Calculate the rate of heat transfer from the water to the methanol (kW).
i 58.7
kW
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EE
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Chapter 7 Solutions
Loose Leaf For Introduction To Chemical Engineering Thermodynamics
Ch. 7 - Prob. 7.1PCh. 7 - Prob. 7.2PCh. 7 - Prob. 7.3PCh. 7 - Prob. 7.4PCh. 7 - Prob. 7.5PCh. 7 - Prob. 7.6PCh. 7 - Prob. 7.7PCh. 7 - Prob. 7.8PCh. 7 - Prob. 7.9PCh. 7 - Prob. 7.10P
Ch. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - Prob. 7.13PCh. 7 - Prob. 7.14PCh. 7 - Prob. 7.15PCh. 7 - Prob. 7.16PCh. 7 - Prob. 7.17PCh. 7 - Prob. 7.18PCh. 7 - Prob. 7.19PCh. 7 - Prob. 7.20PCh. 7 - Prob. 7.21PCh. 7 - Prob. 7.22PCh. 7 - Prob. 7.23PCh. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - Prob. 7.26PCh. 7 - Prob. 7.27PCh. 7 - Prob. 7.28PCh. 7 - Prob. 7.29PCh. 7 - Prob. 7.30PCh. 7 - Prob. 7.31PCh. 7 - Prob. 7.32PCh. 7 - Prob. 7.33PCh. 7 - Prob. 7.34PCh. 7 - Prob. 7.35PCh. 7 - Prob. 7.36PCh. 7 - Prob. 7.37PCh. 7 - Prob. 7.38PCh. 7 - Prob. 7.39PCh. 7 - Prob. 7.40PCh. 7 - Prob. 7.41PCh. 7 - Prob. 7.42PCh. 7 - Prob. 7.43PCh. 7 - Prob. 7.44PCh. 7 - Prob. 7.45PCh. 7 - Prob. 7.46PCh. 7 - Prob. 7.47PCh. 7 - Prob. 7.49PCh. 7 - Prob. 7.50PCh. 7 - Prob. 7.51PCh. 7 - Prob. 7.52PCh. 7 - Liquids (identified below) at 25°C are completely...Ch. 7 - Prob. 7.54PCh. 7 - Prob. 7.55PCh. 7 - Prob. 7.56PCh. 7 - Prob. 7.57P
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