Register now to access 7 million high quality study materials (What's Course Hero?) Course Hero is the premier provider of high quality online educational resources. With millions of study documents, online tutors, digital flashcards and free courseware, Course Hero is helping students learn more efficiently and effectively. Whether you're interested in exploring new subjects or mastering key topics for your next exam, Course Hero has the tools you need to achieve your goals.
2 Pages
ch09_13
Course: CHE 332, Fall 2009School: Maryville MO
Rating:
Word Count: 137
Document Preview
problem 9-15 9.13 This asks us to determine the phases present and their concentrations at several temperatures, as an alloy of composition 52 wt% Zn-48 wt% Cu is cooled. From Figure 9.19: At 1000C, a liquid phase is present; WL = 1.0 At 800C, the phase is present, and W = 1.0 At 500C, and phases are present, and C 0 C 52 49 = = 0.33 58 49 C C W = W = 1.00 0.33 = 0.67 At 300C, the ' and phases are...
Unformatted Document Excerpt
Coursehero >> Missouri >> Maryville MO >> CHE 332Course Hero has millions of student submitted documents similar to the one
below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.
Course Hero has millions of student submitted documents similar to the one
below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.
problem 9-15
9.13
This asks us to determine the phases present and their concentrations at several
temperatures, as an alloy of composition 52 wt% Zn-48 wt% Cu is cooled. From Figure 9.19: At 1000C, a liquid phase is present; WL = 1.0 At 800C, the phase is present, and W = 1.0 At 500C, and phases are present, and
C 0 C 52 49 = = 0.33 58 49 C C
W =
W = 1.00 0.33 = 0.67 At 300C, the ' and phases are present, and
C C0 C C' 59 52 = 0.78 50
W' 59 =
=
W = 1.00 0.78 = 0.22
Excerpts from this work may be reproduced by instructors for distribution on a not-for-profit basis for testing or instructional purposes only to students enrolled in courses for which the textbook has been adopted. Any other repr...
Find millions of documents on Course Hero - Study Guides, Lecture Notes, Reference Materials, Practice Exams and more.
Course Hero has millions of course specific materials providing students with the best way to expand
their education.
Below is a small sample set of documents:
Below is a small sample set of documents:
Maryville MO - CHE - 332
9-239.20 For this problem, we are asked to determine the composition of the phase given that C0 = 40 (or 40 wt% B-60 wt% A) C = 13 (or 13 wt% B-87 wt% A) W = 0.66 W = 0.34 If we set up the lever rule for W C C 0 C 40 = C C C 13W = 0.66 =An
Maryville MO - CHE - 332
9-269.23 This portion of the problem asks that we derive Equation 9.6a, which is used to convert from phase weight fraction to phase volume fraction. Volume fraction of phase , V, is defined by Equation 9.5 asvV =v + v(9.S1)where v and v a
Maryville MO - CHE - 332
9-27Incorporation of these relationships into Equation 9.S3 leads toW (m + m ) V = W (m + m ) + W (m + m ) W V = + W W (9.S6)which is the desired equation.For this portion of the problem we are asked to derive Equation 9.7a, which is
Maryville MO - CHE - 332
9-35Development of Microstructure in Eutectic Alloys9.28 Upon solidification, an alloy of eutectic composition forms a microstructure consisting of alternating layers of the two solid phases because during the solidification atomic diffusion must
Maryville MO - CHE - 332
9-399.32 (a) This portion of the problem asks that we determine the mass fractions of and phases for an 80 wt% Sn-20 wt% Pb alloy (at 180C). In order to do this it is necessary to employ the lever rule using a tie line that extends entirely acros
Maryville MO - CHE - 332
9-429.35 Schematic sketches of the microstructures that would be observed for an 64 wt% Zn-36 wt% Cu alloy at temperatures of 900C, 820C, 750C, and 600C are shown below. The phase compositions are also indicated. (Note: it was necessary to use the
Maryville MO - CHE - 332
12-1CHAPTER 12STRUCTURES AND PROPERTIES OF CERAMICS PROBLEM SOLUTIONSCrystal Structures12.1 The two characteristics of component ions that determine the crystal structure of a ceramic compound are: 1) the magnitude of the electrical charge on
Maryville MO - CHE - 332
12-212.2In this problem we are asked to show that the minimum cation-to-anion radius ratio for acoordination number of four is 0.225. If lines are drawn from the centers of the anions, then a tetrahedron is formed. The tetrahedron may be inscri
Maryville MO - CHE - 332
12-3There will also be an anion located at the corner, point F (not drawn), and the cube diagonal AEF will be related to the ionic radii asAEF = 2 (rA + rC )(The line AEF has not been drawn to avoid confusion.) From the triangle ABF(AB) 2 + (FB
Maryville MO - CHE - 332
12-612.5 This problem calls for us to predict crystal structures for several ceramic materials on the basis of ionic charge and ionic radii. (a) For CaO, using data from Table 12.3r 2+ Ca r 2 O 0.100 nm = 0.714 0.140 nm=Now, from Table 12.2, t
Maryville MO - CHE - 332
12-912.8 This question is concerned with the zinc blende crystal structure in terms of close-packed planes of anions. (a) The stacking sequence of close-packed planes of anions for the zinc blende crystal structure will be the same as FCC (and not
Maryville MO - CHE - 332
12-1512.13 We are asked to calculate the theoretical density of NiO. This density may be computed using Equation (12.1) asn' ANi + AO VC N A =()Since the crystal structure is rock salt, n' = 4 formula units per unit cell. Using the ionic r
Maryville MO - CHE - 332
12-2312.20 We are asked to specify possible crystal structures for an AX type of ceramic material given its density (2.10 g/cm3), that the unit cell has cubic symmetry with edge length of 0.57 nm, and the atomic weights of the A and X elements (28.
Virginia Tech - MKTG - 4154
Chapter 10[Recap] Operational Definition: How to measure aconstruct under study? Segmentation variables:Eg1. Demo & Socioeconomic: Eg2. Media Exposure: Product category variables:Example. Pepsi One: Brand awareness, brand preference, purchas
Minnesota - MAPSERVER - 038
Total Moths Caught 2002Total Moths Caught0 1 2 3 - 1718 - 30:0 25 50 100 150 Miles 200 Universal Transverse Mercator NAD 1983 Zone 15
Stanford - CS - 262
Gene Recognition and Motif Finding Lecture 19 Introduction Only the exons (coding regions) in DNA are ultimately expressed. The whole DNA molecule is transcribed to RNA, but introns are spliced out before translation. These exons are read in triplets
Minnesota - SCHWE - 227
University of Minnesota / Department of Economics Econ 4311 Economy of Latin America / Spring 2009 Group: NAME OF STUDENT Student 1 (has to be the leader of the group)EMAIL (must be your university email)
Pittsburgh - CS - 0004
The folowing people requested theirgrade be published.IDFinalGrade1059346118A125220789C134247695C1830668133A290630458C3018554114B332588996B3353966111B3362774110A336617484C336620594C337456573D-3405643111A34
Pittsburgh - CS - 0004
I contacted our MS technicial concerning the problem with MS Vistaand Visual Studio. This is his response.Lou,As far as I know, in order to get Visual Studio 2005 up to an acceptible compatibility level with Vista, your students will have to
Pittsburgh - CS - 0004
Announcements for CS0004 2084 Mr. Trentini=4/15 In class yesterday we did the code for the S.D. We may have left out one small thing that will greatly effect the outcome. The If ststement should read: I
Pittsburgh - CS - 0004
Integer Division Operator \VB.NETDivides two numbers and returns an integer result. number1 \ number2 Parts number1 number2 Required. Any numeric expression of an integral type. Required. Any numeric expression of an integral type.Supported Typ
Pittsburgh - CS - 0004
Table of ASCII CharactersThis table lists the ASCII characters and their decimal, binary, and hexadecimal numbers. Characters which appear as names in parentheses (e.g., (nl) are non-printing characters.Char (nul) (soh) (stx) (etx) (eot) (enq) (ack
Pittsburgh - CS - 0004
Visual Basic.2005Arithmetic Operators WorksheetSimplify the following arithmetic expressions. Do no more than one arithmetic operation per step as shown in the example below. Remember, the answers are provided, to receive credit you MUST show the
Pittsburgh - CS - 0004
CS0004VB.NETOption Explicit StatementUsed at file level to force explicit declaration of all variables in that file. Option Explicit { On | Off } On Optional. Enables Option Explicit checking. If On or Off is not specified after the Option Expli
Pittsburgh - CS - 0004
POLICY ON STUDENT COLLABORATION ON HOMEWORK AND PROGRAMMING ASIGNMENTS Department of Computer Science University of Pittsburgh STUDENT PLEDGE Note: Please read, sign, and return to your instructor. It is recognized that an important part of the learn
Pittsburgh - CS - 0004
Micro-Computer SystemOperating System DOS, Windows, OS2, LinuxSoftwareApplicationWord, Photoshop, Games, TurboRead Only Memory Computer System Main Memory Random Access Memory Central Processing Unit Hardware Input/Output control unit Arithm
Pittsburgh - CS - 0004
Starting a VB 2005 project A Prepare storage 1 format floppy if needed 2 on Flash or hard drive, create general folder/s if needed. B Start a new VB project. 1 Start Page a New Project i Choose Create: Project 2 New Project Dialog Box choose a Choose
Neumont - CSC - 1957
Supreme Court of Canada Accessories Machinery Ltd. v. National Revenue (Deputy Director), [1957] S.C.R. 358 Date: 1957-04-12 Accessories Machinery Limited. Appellant; and The Deputy Minister of National Revenue for Customs and Excise and Canadian Ele
Hobart and William Smith Colleges - MATH - 380
Math 380Homework Set 27Fall 2005Directions: Answer all the following questions. Please write neatly and use completesentences as much as possible and label any diagrams you use. 1) State the Soundness Theorem for first order logic, FOL. This r
Hobart and William Smith Colleges - MATH - 380
Math 380SyllabusFall 2005Instructor: John Vaughn Office: Lansing 302 Office Hours: 10:30-12, TTH in the Scandling Center Cafe and by appointment. Phone: 3906 (office), 781-2936 (home) E-mail: vaughn@hws.edu Home Page: math.hws.edu/vaughn/ Requi
Hobart and William Smith Colleges - MATH - 110
Math 110Homework 2Spring 2007Directions: Your answers to this homework should be neatly written or typed ANDproof read before you submit it for grading. If you need to draw diagrams on any homework you can draw them by hand or use a computer d
Hobart and William Smith Colleges - MATH - 110
Math 110Project ISpring 2007General comments You will recall the syllabus referred to projects that will be assigned in class; here is the first of them. Below is a list of projects you may wish to choose from for your first course project. Som
Hobart and William Smith Colleges - MATH - 110
Math 110Project IISpring 2007Overview: Below is a list of projects you can choose for your second research project in our class. Some of these projects are elaborations or expansions of topics covered in the course but with details left for you
Hobart and William Smith Colleges - MATH - 110
Making a Kaleidoscope From a Pringles Potato Chip CanHere are some exercises and activities that lead to building a kaleidoscope that makes a nice gift if done well. First, here is a list of the supplies and tools you will need to complete this proj
Hobart and William Smith Colleges - MATH - 110
Math 110Homework 7Fall 2007Directions: Your answers to this homework should be neatly written or typed ANDproof read before you submit it for grading. If you need to draw diagrams on any homework you can draw them by hand or use a computer dra
Hobart and William Smith Colleges - MATH - 110
Math 110Homework 6Fall 2007Directions: Your answers to this homework should be neatly written or typed ANDproof read before you submit it for grading. If you need to draw diagrams on any homework you can draw them by hand or use a computer dra
Hobart and William Smith Colleges - MATH - 110
Math 110Homework 5Fall 2007Directions: Your answers to this homework should be neatly written or typed ANDproof read before you submit it for grading. If you need to draw diagrams on any homework you can draw them by hand or use a computer dra
Hobart and William Smith Colleges - MATH - 110
Math 110Homework 4Fall 2007Directions: Your answers to this homework should be neatly written or typed ANDproof read before you submit it for grading. If you need to draw diagrams on any homework you can draw them by hand or use a computer dra
Hobart and William Smith Colleges - MATH - 110
Math 110Homework 3Spring 2007Directions: Your answers to this homework must be put in the format described below.This homework is due next class period. Remember, no late homework papers will be accepted! 1. Reread the two proofs of the Pythag
Hobart and William Smith Colleges - MATH - 110
Math 110Homework 2Spring 2007Directions: Your answers to this homework should be neatly written or typed ANDproof read before you submit it for grading. If you need to draw diagrams on any homework you can draw them by hand or use a computer d
Hobart and William Smith Colleges - MATH - 110
Math 110Homework 1Spring 2007Directions: Your answers to this homework should be neatly written or typed ANDproof read before you submit it for grading. If you need to draw diagrams on any homework you can draw them by hand or use a computer d
Hobart and William Smith Colleges - MATH - 110
Making a Kaleidoscope From a Pringles Potato Chip CanHere are some exercises and activities that lead to building a kaleidoscope that makes a nice gift if done well. First, here is a list of the supplies and tools you will need to complete this proj
Hobart and William Smith Colleges - MATH - 204
Math 204Homework Set 7Fall 2007Directions: Answer all the following questions. Try to phrase your answers in complete sentences so the reader has a narrative instead of just short, clipped phrases or just mathematics symbols. No credit will be
Hobart and William Smith Colleges - MATH - 214
Math 214Homework 1Spring 2007Directions: Your answers to this homework should be neatly written or typed ANDproof read before you submit it for grading. If you need to draw diagrams on any homework you can draw them by hand or use a computer d
Hobart and William Smith Colleges - MATH - 214
Math 214Homework 4Spring 2007Directions: Here are some questions to think about before class on Wednesday. Wewill be working in groups on building some solutions to these to better understand the geometry of linear transformations. The context
Hobart and William Smith Colleges - MATH - 214
Math 214Homework 5Spring 2007Directions: Read Chapter 11 in our text.1. [Algebra warmup] Given the determinant formula (4) on page 568 for the equation of the line in the plane through the points (x1 , y1 ), (x2 , y2 ), show by computing this
Hobart and William Smith Colleges - MATH - 110
Minnesota - AZ - 0211385
HPDSNAZ0211385Date2002-04-11Time14:34:13ScanTypeAC CrosstalkCommentFailed test! Channel 8 output is 2.707040 percent of channel 10 output. Output in mV (Channel 10 is divided by 100).Time(ns)Channel 8Channel 10Channel 18250.00
Goucher - CS - 220
MIPS Programming, SPIMTom Kelliher, CS 220 Sept. 14, 20071AdministriviaAnnouncements Assignment Read 2.7.From Last Time Intro to Unix.Outline 1. Using SPIM. 2. Lab exercise.Coming Up Procedure calls in assembly.12Using SPIMThings
Goucher - CS - 220
1 Thu Jan 22 16:35:49 2004 addn.spim1: 2: 3: 4: 5: 6: 7: 8: 9: 10: 11: 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: 22: 23: 24: 25: 26: 27: 28: 29: 30: 31: 32: 33: 34: 35: 36: 37: 38: 39: 40: 41: 42: 43: 44: 45: 46: 47: 48: 49: 50: 51: 52: 53: 54: 55: 56
Stanford - ME - 469
Homework #3Due May 25, 2007Incompressible, laminar, steady flow within a driven cavityPart 1: Generate a sequence of grids using the transformation introduced in the Homework #2. Assume that the transformation is only active for r < 0.25. Use t
Stanford - EE - 359
EE 359 - Wireless Communications - Winter 2009Homework 6: Due Friday 3/6 (noon)1. (10 pts.) Text, Chapter 9, Problem 8. 2. (5 pts.) Text, Chapter 9, Problem 10. 3. (10 pts.) Text, Chapter 9, Problem 12. 4. (10 pts.) Text, Chapter 9, Problem 16. 5
Concordia Canada - COMP - 354
Page 2Deliverable 4: Project DemoThe schedule for the demo will be as follows: date: Thursday, November 29 time: Group 1: 1:15 pm Group 2: 2:00 pm Group 3: 2:45 pmroom: H-917 (TENTATIVE)Details of what to expect will be sent out later
Stanford - AA - 210
AA210A HOMEWORK #3 2008-2009 Due October 28Reading: Chapters 5, 6, 7 and 8 Problems: Chapter 5 - Problems 1, 3, 4, 6 and 12 Chapter 6 - Problem 1 Chapter 7 - Problems 2, 4 Chapter 8 - Problems 2, 3, and 8110/13/08
Stanford - AA - 210
CHAPTER 7 ENTROPY GENERATION AND TRANSPORT 7.1 CONVECTIVE FORM OF THE GIBBS EQUATIONIn this chapter we will address two questions. 1) How is Gibbs equation related to the energy conservation equation? 2) How is the entropy of a uid affected by its m
Stanford - AA - 210
CHAPTER 1 INTRODUCTION TO FLUID FLOW 1.1 INTRODUCTIONCompressible ows play a crucial role in a vast variety of natural phenomena and man-made systems. The life-cycles of stars, the creation of atmospheres, the sounds we hear, the vehicles we ride an
Stanford - AA - 210
CHAPTER 8 QUASI-ONE-DIMENSIONAL FLOW 8.1 CONTROL VOLUME AND INTEGRAL CONSERVATIONEQUATIONSConsider the steady flow of a compressible fluid in a channel without body forces ( G i = 0 ) . We will treat the very general flow shown in Figure 8.1. x
Saint Louis - MTA - 143
MATH143-01Exam ThreeSpring 2008You may keep this page of questions. Turn in your answers with all of your work on the pink paper and the yellow paper. You are NOT allowed to use your calculator on the rst ve questions. Answer these ve questions
Saint Louis - MTA - 143
MT-A143-01Make-Up Exam ThreeSpring 2002You may keep this page of questions. Turn in your answers with all of your work on the blue paper and tan paper. You are NOT allowed to use calculators on questions #1 6. Work these questions on the blue