Solutions Manual – Elementary Principles of Chemical Processes 3rd Edition by Felder

Elementary Principles of Chemical Processes
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– 3rd Edition
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SOLUTIONS
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MANUAL
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Richard M. Felder
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Ronald W. Rousseau
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Complete Solutions Manual for Instructors and Students
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© Richard M. Felder & Ronald W. Rousseau


All rights reserved. Reproduction or distribution without permission is prohibited.
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©MEDGEEK

, CONTENTS
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Notes to the Instructor iv

Section/Problem Concordance vi

Sample Assignment Schedule I ix
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Sample Assignment Schedule II x

Sample Responses to a Creativity Exercise xi
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Transparency Masters xvi

Compressibility charts xvii
Cox vapor pressure chart xxi
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Psychrometric chart – SI units xxii
Psychrometric chart – American engineering units xxiii
Enthalpy-concentration chart: H2SO4-H2O xxiv
Enthalpy-concentration chart: NH3-H2O xxv
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Problem Solutions

Chapter 2 2-1
Chapter 3 3-1
Chapter 4 4-1
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Chapter 5 5-1
Chapter 6 6-1
Chapter 7 7-1
Chapter 8 8-1
Chapter 9 9-1
Chapter 10 10-1
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Chapter 11 11-1
Chapter 12 (Case Study 1) 12-1
Chapter 13 (Case Study 2) 13-1
Chapter 14 (Case Study 3) 14-1
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iii

, CHAPTER TWO

3 wk 7d 24 h 3600 s 1000 ms
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2.1 (a) .
18144 u 10 9 ms
1 wk 1 d 1 h 1 s
38.1 ft / s 0.0006214 mi 3600 s
(b) 25.98 mi / h Ÿ 26.0 mi / h
3.2808 ft 1 h
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554 m 4 1d 1h 1 kg 10 8 cm 4
(c) 3.85 u 10 4 cm 4 / min˜ g
d ˜ kg 24 h 60 min 1000 g 1 m 4

760 mi 1 m 1 h
2.2 (a) 340 m / s
h 0.0006214 mi 3600 s
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921 kg 2.20462 lb m 1 m3
(b) 57.5 lb m / ft 3
m3 1 kg 35.3145 ft 3
5.37 u 10 3 kJ 1 min 1000 J 1.34 u 10 -3 hp
(c) 119.93 hp Ÿ 120 hp
min 60 s 1 kJ 1 J/s
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2.3 Assume that a golf ball occupies the space equivalent to a 2 in u 2 in u 2 in cube. For a
classroom with dimensions 40 ft u 40 ft u 40 ft :
40 u 40 u 40 ft 3 (12) 3 in 3 1 ball
n balls 3 3 3
6.48 u 10 6 | 7 million balls
ft 2 in
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The estimate could vary by an order of magnitude or more, depending on the assumptions made.

2.4 4.3 light yr 365 d 24 h 3600 s 1.86 u 105 mi 3.2808 ft 1 step 7 u 1016 steps
1 yr 1 d 1 h 1 s 0.0006214 mi 2 ft
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2.5 Distance from the earth to the moon = 238857 miles
238857 mi 1 m 1 report
4 u 1011 reports
0.0006214 mi 0.001 m
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2.6
19 km 1000 m 0.0006214 mi 1000 L
44.7 mi / gal
1 L 1 km 1 m 264.17 gal
Calculate the total cost to travel x miles.
$1.25 1 gal x (mi)
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Total Cost American $14,500  14,500  0.04464 x
gal 28 mi

$1.25 1 gal x (mi)
Total Cost European $21,700  21,700  0.02796 x
gal 44.7 mi
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Equate the two costs Ÿ x 4.3 u 10 5 miles




2-1

, 2.7
5320 imp. gal 14 h 365 d 10 6 cm 3 0.965 g 1 kg 1 ton
plane ˜ h 1 d 1 yr 220.83 imp. gal 1 cm 3
1000 g 1000 kg
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ton kerosene
1188
. u 10 5
plane ˜ yr
4.02 u 10 9 ton crude oil 1 ton kerosene plane ˜ yr
yr 7 ton crude oil 1188
. u 10 ton kerosene 5
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4834 planes Ÿ 5000 planes


25.0 lb m 32.1714 ft / s 2 1 lb f
2.8 (a) 25.0 lb f
32.1714 lb m ˜ ft / s 2
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25 N 1 1 kg ˜ m / s 2
(b) 2.55 kg Ÿ 2.6 kg
9.8066 m / s 2 1N
10 ton 1 lb m 1000 g 980.66 cm / s 2 1 dyne
(c) 9 u 10 9 dynes
5 u 10 -4 ton 1 g ˜ cm / s 2
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2.20462 lb m

50 u 15 u 2 m 3 35.3145 ft 3 85.3 lb m 32.174 ft 1 lb f
2.9 4.5 u 10 6 lb f
1 m3 1 ft 3 1 s 2
32.174 lb m / ft ˜ s 2

FG IJ FG 1 IJ | 25 m
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500 lb m 1 kg 1 m3 1
| 5 u 10 2
H K H 10K
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2.10
2.20462 lb m 11.5 kg 2

2.11 (a)
mdisplaced fluid mcylinder Ÿ U f V f U cVc Ÿ U f hSr 2 U c HSr 2
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Uc
Ufh
(30 cm  14.1 cm)(100
. g / cm 3 )
Uc 0.53 g / cm 3 H
H 30 cm
Uf
U c H (30 cm)(0.53 g / cm 3 )
(b) U f . g / cm 3
171 h
h (30 cm - 20.7 cm)
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2.12 SR 2 H SR 2 H Sr 2 h R r R
Vs ; Vf  ; Ÿr h
3 3 3 H h H

Ÿ Vf
SR 2 H Sh Rh

FG IJ SR FG H  h IJ
2 2 3
h

H K 3H HK r
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2 H
3 3 H
SR F
2
h I SR H
3 2
U fVf U sVs Ÿ U f
3 H
G H J
H K
U
3 2 s Us
Uf

R
H H3 1
ŸUf Us Us Us
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H
h3 H 3  h3 F hI
1 G J
3


H2 H HK

2-2