please answer :< 2. Draw and completely label a hypothetical phase diagram of a mixture containing mentholand camphor, which theoretically is able to form liquid eutectic at room temperature inthe ratio of 8:2, 7:3, 6:4 and 5:5. .-

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Answered: phase diagram of å mixture a

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter7: Equilibria In Multiple-component Systems

Section: Chapter Questions

Problem 7.34E

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Sketch the phase diagram of the sys tem NH3/N2H4 given that the two substances do not form a compound with each other, that NH3 freezes at -78 °C and N2H4 freezes at +2 °C, and that a eutectic is formed when the mole fraction of N2H4 is 0.07 and that the eutectic melts at - 80 ° C.
3. The phase diagram for the simple system aluminum copper is drawnbelow. Answer the following questions by referring to this diagram.A. How many phases will be present if an aluminum-copper mixture containing 80% copper is heated to 1000oC?B. If the system described in (A) is slowly cooled, at what temperature willa solid start to appear? What is this solid?C. What phases will be present if the mixture (A) is further cooled down to600oC?D. What is the concentration of the saturated solution of copper inaluminum at 800oC?E. For a mixture given in (A), at what temperature will the eutectic mixturecrystallize out?F. What is the percentage by weight of copper in the eutectic mixture formed in (E)?
This is the phase diagram of the liquid-liquid equilibrium of a butanol-water mixture at atmospheric pressure. liquid-liquid butanol-water 1/°C equilibrium 140 120 100 One phase 80 60 phases 40 20 10 20 30 40 s0 60 100 r(butano!) How are the moles of water and butanol divided into the different phases under the following conditions? a) Dovavek = 3, Duaten = 2, room temperature b) Doutavel = 1, Dwatar = 4, at 30Cº c) Doutavel = 0.5, Nyatw, = 4.5, at 100Cº %3!
1. A student was trying to prepare acetaminophen in the laboratory. She found a melting point range of 169 – 173º. The m.p. of acetaminophen is reported to be 168 – 172°C. How could the student have verified that the produce is acetaminophen? llinV
Which stat F + C I. rect concerning these two molecules with the same formula, C₂HO? H -H C II. 0-H a. compound (II) will more likely be soluble in water than compound (I) b. compound (I) will have a lower boiling point than compound (II) c. hydrogen bonding will be the most likely for compound (II) d. the vapour pressure of compound (II) will be lower than that of compound (I) at a given temperature e. compound (I) would be a better solvent
Answer Q12, 13, 14
Consider the phase diagram below for Na, K, and the compound Na2K. For each region 1-6 give the number and identity of the phases present. Then describe the sequence of phase changes that would occur cooling of a solution of composition A (indicated on the diagram) to –30°C. Graph attached
12 (a) (b) Describe how you can obtain the integrated form of the Clapeyron equation as below. State any assumptions you have to make. Afus H (T-T) P₂≈ P₁+ AfusV T₁ The heat of fusion (Afus H) of Hg at its normal melting point (-38.9 °C) is 2.82 cal.g¹. The densities of Hg(s) and Hg(1) at -38.9 °C and 1 atm are 14.193 and 13.690 g cm Estimate the melting point of Hg at 100 atm using the result in (a). respectively. Ans 234.8K or -38.4°C
4.a. Carbon dioxide is gas but water is liquid suitable phase diagram. at room temperature-Illustrate with
Arrange the following in order of increasing vapour pressure: Ar, NaClO3, H2O, H2Se. Discuss your choice
1) What will happen to a sample of XY if you start at (12 atm, 200 °C) and increase t pressure at constant temperature to 35 atm? 2) If this compound is polar, at what temperature and pressure would you chose to dissolve a small amount of this compound in water? Why?
Sulfur exhibits two solid phases, rhombic and monoclinic. Use the accompanying phase diagram for sulfur given below to answer the questions that follow. (A). How many triple points are in the phase diagram? (B). What phases are in equilibrium at the topmost triple point? (C). How many phase transitions are there when rhombic sulfur at 1 atm and 80°C is heated to 500°C at constant pressure?

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