MATERIALS SCI + ENGR: INT W/ACCESS
10th Edition
ISBN: 9781119808084
Author: Callister
Publisher: WILEY
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Question
Chapter 13, Problem 1DP
(a)
To determine
To list:
The three important required characteristics of the ceramic materials that are used for the fabrication of modern kitchen cookware.
(b)
To determine
To compare:
The relative properties and cost of any three ceramics that are used to fabricate modern kitchen cookware.
(c)
To determine
To select:
The suitable material for the cookware.
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← Homework 8
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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
Material Balances
Correct.
0.67/1
===
Attempts: 1 of 5 used
Calculate Ptank (atm), the mole fraction of benzene in the vapor, and the molar flow rates of the liquid and vapor products.
Ptank
.544
atm
Ybz
.657
mol benzene/mol vapor product
nvapor
55.8
mol/s
nliquid
37.6
mol/s
Hint
GO Tutorial
Energy Balance
Check heat capacities.
Calculate the required heat input rate in kilowatts. i
0.447
kW
Hint
GO Tutorial
Save for Later
Assistance Used
Attempts: 2 of 5 used
Assistance Used
Attempts: 1 of 5 used
Submit Answer
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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
Hint
Save for Later
Attempts: 3 of 5 used
Submit Answer
Chapter 13 Solutions
MATERIALS SCI + ENGR: INT W/ACCESS
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