The phase diagram for sulfur is shown here. The rhombic andmonoclinic states are two solid states with different structures.a. Below what pressure does solid sulfur sublime?b. Which of the two solid states of sulfur is more dense?LiquidRhombicMonoclinic119 °C, 0.027 mmHg96 °C, 0.0043 mmHgVaporTemperaturePressure

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Answered: The phase diagram for sulfur is shown…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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For alloys of two hypothetical metals A and B, there exist an x, A-rich phase, and a ß, B-rich phase. From the mass fractions of both phases for two different alloys provided in the table below, (which are at the same temperature), determine the composition of the phase boundary (solubility limit) for both a and ß phases at this temperature. Show complete solution. Alloy Composition Fraction & Phase Fraction 3 phase 70 wt% A - 30 wt% B 0.78 35 wt% A - 65 wt% B 0.36 0.22 0.64
a- Schematize the equilibrium diagram for the A-B system, based on the following data:Melting point of A= 700ºC; Melting point of B = 1,000ºC; eutectic temperature = 500ºC; Composition of the liquid in equilibrium at eutectic temperature = 30%A and 70%B; Solubility at 500ºC, B at A = 15% and A at B = 20%. b- What is the type of steel and the carbon content according to the ABNT classification for the following steels: ABNT 1040, ABNT 1130, ABNT 5160 e ABNT 8620. c- Why is the Fe-Fe3C phase diagram considered metastable?
Which of the following statements are true about the following phase diagram? Group of answer choices All three allotropes of iron exist at the same range of temperature and pressure. Iron vapor can exist at conditions of Earth's atmosphere. Solid iron can exist in three different crystal structures. Solid iron can exist in two different crystal structures. Liquid iron only exists at high pressure.
Give an example of phase equilibrium and chemical equilibrium?
26. Please help me answer all parts to this physics question
Shown to the right is the solid-liquid phase behavior for mixtures of component A and component B at 1 atm. Use the phase diagram to answer the following questions. a) Specify the melting point of substance B at 1 atm b) What is the maximum composition (mole fraction) of component B that is possible for the mixture to exist in phase S2? At what temperature does this occur? c) 20mol of component A and 180mol of component B are mixed at 350°C and 1 atm. The mixture is cooled at constant pressure to 200°C. i) What phases are present at the final state? ii) What is the composition of each phase at the final state? iii) What is the number of moles of each phase at the final state?
Assume that the following three phases are at equilibrium at the eutectic point. Which phase will have the highest solubility of Sn? Group of answer choices Beta Phase Alpha Phase Liquid Phase
Determine the composition and fraction with 50% Ni and 1300 ° C
Referring to Figure 1, please answer the following [NOTE: SHOW YOUR WORK on Figure 1]:a. provide the specific name for the phase boundary lines denoted by A and B. b. identify the phases present at equilibrium in the phase fields denoted by C, D, and E. c. identify the specific name for the point denoted by F. d. What is the maximum solid solubility of Mg in Al? At what temperature does it occur? e. An Al-Mg alloy (10 wt% Mg, 90 wt% Al) is heated slowly (to insure equilibrium) from a temperature of 200 C: i. At what temperature does the first liquid phase form? ii. What is the composition of the liquid phase at the temperature in part i.? iii. At what temperature does complete melting (no solid phase remaining) occur? iv. What is the composition of the last solid remaining prior to complete melting? f. Using the equilibrium phase diagram of Figure 1, identify the phases present, their compositions, and their relative mass fractions at equilibrium for a 70 wt% Mg – 30 wt% Al…
An alloy consisting of completely soluble cadmium (Cd) and zinc (Zn) in the liquid state, but neither of them dissolves in each other in the solid state. the table shown below shows the solidification temperatures for various alloys of cadmium and zinc. 1. Draw the equilibrium diagram according to the information given and data in the table and indicating all important temperature and phases. 2. Find the percentage of each phases and percentage of constituents of the alloy that contain 60 % Zn and at a temperature 300 °C. 3. Find the melting point for the following alloys 20 % Cd, 80% Cd 4. Draw the internal structure, noting the phases of the following alloys A) 30 % Cd at 290 °C b) 60 % Cd at room temperature. % of Zinc in alloy Start of solidification ("C) End of solidification ("C) 0 10 14 20 30 40 50 60 321 290 266 275 293 310 328 345 70 80 90 100 362 390 401 419 266 266 266 266 266 266 266 266 266 266 266 266
G (b) ! (a) X₂ X₂ の ४ P Atmospheric pressure XB → G AG W GB FIGURE 1.38 The effect of interfacial energy on the solubility of small particles. XB We discussed in lecture how in the early phase of a phase transformation, for example as a ß phase forms in a matrix of an a phase as shown in Fig 1.38(a), the interface between the two phases contributes to the Gibbs free energy of the ß phase. (a) In Figure 1.38(b), the Gibbs free energy curves of the ß phase are shown for a case (1) where the 3 phase is of radius r and (2) for the case where the ß phase has a radius of size. Write an expression for the difference in the Gibbs free energy of the two cases. (b) Notice the Gibbs free energy curve for the a phase on the left side of Figure 1.38(b). What can you say is different about the a phase in equilibrium with the ß phase when the ß phase is (1) of size r versus when the ß phase is (2) of size ∞.
Should correct

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