Compute for the relative amount of each phase present in term of mass fraction for a80% Cu - 20% Ag alloy at 1600F.Temperature (°C)12001000800600400200"сB8.0(C₂)-SolidusSolvus2020Composition (at% Ag)40-Liquidus779°C (Ta+p40TLiquid6071.9(C)80A+L91.2(CoR)TG100L60(Cu)Composition (wt% Ag)Figure 9.7 The copper-silver phase diagram. [Adapted from Binary Alloy PhaseDiagrams, 2nd edition, Vol. 1, T. B. Massalski (Editor-in-Chief), 1990. Reprinted bypermission of ASM International, Materials Park, OH.]H220020001800F1600140012001000800600400100(Ag)Temperature (°F)

1)Pyrolytic alpha=0.714 2) liquid=0.286 See the detail explanation in attached image.

Compute for the relative amount of each phase present in term of mass fraction for a 80% Cu - 20% Ag alloy at 1600F. Temperature (℃) 1200 A 1000 800 600 400 с 2000 B 8.0 (Cop -Solidus Solvus 20 20 W+L Composition (at% Ag 40 -Liquidus 779°C (T 40 --D Liquid 60 E 71.9 (C₂₂) 80 B+L 91.2 T G 100 12200 2000 T 60 (Cul Composition (wt% Ag) Figure 9.7 The copper-silver phase diagram. [Adapted from Binary Alloy Phase Diagrams, 2nd edition, Vol. 1, T. B. Massalski (Editor-in-Chief), 1990. Reprinted by permission of ASM International, Materials Park, OH.] H 1800 F 1600 1400 1200 1000 800 600 400 100 (Ag) Temperature (°F)

Compute for the relative amount of each phase present in term of mass fraction for a 80% Cu - 20% Ag alloy at 1600F. Temperature (℃) 1200 A 1000 800 600 400 с 2000 B 8.0 (Cop -Solidus Solvus 20 20 W+L Composition (at% Ag 40 -Liquidus 779°C (T 40 --D Liquid 60 E 71.9 (C₂₂) 80 B+L 91.2 T G 100 12200 2000 T 60 (Cul Composition (wt% Ag) Figure 9.7 The copper-silver phase diagram. [Adapted from Binary Alloy Phase Diagrams, 2nd edition, Vol. 1, T. B. Massalski (Editor-in-Chief), 1990. Reprinted by permission of ASM International, Materials Park, OH.] H 1800 F 1600 1400 1200 1000 800 600 400 100 (Ag) Temperature (°F)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Pressure was exerted with a piston on molten naphthalene at 95 °C. The vaporpressure of naphthalene when the applied pressure is 1.0 bar is 2.0 kPa. What is thevapor pressure when the pressure on the liquid is 15 MPa? The mass density ofnaphthalene at this temperature is 1.16 g cm-1.
Q3: A unit cell of diamond structure belongs to the cubic crystal system and contains eight atoms of the same type and their positions are as follows. (000) Compute the structure factors Fok and |F|2
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
A 50 wt% Pb-50 wt% Mg alloy is slowly cooled from 700°C (1290°F) to 400°C (750°F).(i) At what temperature does the first solid phase form?(ii) What is the composition of this solid phase?(iii) At what temperature does the liquid solidify?(iv) What is the composition of this last remaining liquid phase?
(b) TABLE 3 shows data phase equilibrium diagram for carbon dioxide. TABLE 3 Pressure (atm) Temperature (°C) Triple point Critical point 5.2 -57 73 31 (i) Sketch a phase diagram for carbon dioxide (ii) Explain the phase changes that could possibly occur when a sample of carbon dioxide in a closed vessel under 1 atm pressure and a temperature of -78°C is pressurised isothermally to 10atm, followed by isobaric heating to 20°C.
Referring to the Al-Si Eutectic diagram discussed on the Phase Diagrams-Lever Rule handout, calculate the mass fraction of the phase, silicon, given a sample with 51.7 wt% aluminum at 576.99 ˚C.
Explain the processes involved in following given Phase diagrams. Also, suggest the devices/components required for these processes. Tc 31 1.5 bar TH 21 I bar 3 2 Tc (a) (b) T. °C t 350 15 kPa S1 = 32 S3 = 54 (c) Zoom 3 MPa
The vapor pressures of CCl4 (A) and C2HCl3 (B) between T = 350 and 360 K, can be determined empirically by the formulas In PA* 1 bar In (1 bar) = 9.2199 = 8.3922 2790.78 (T-46.75) 2 2345.4 (T-80.45) where T is given in K, and the vapor pressures will be in units of bars. In this problem, assume that these two substances form an ideal solution in this temperature range, in all proportions. (a) Find the mole fraction of CCl4 (component A) in both the liquid and vapor phases at T = 354 K, and an ambient pressure of 0.96 bar. (b) Suppose this mixture is heated slightly to a temperature of T = 358 K but its solution has the same composition (i.e. the same mole fractions of CCl4 and C₂HCl3). What is the total vapor pressure of the solution now (in bars), and what is the mole fraction of CCl4 in the vapor?
AI-Si Eutectic, Calculate the mass fraction of the B phase, silicon, given a sample with 61.8 wt% alumimum at 576.99 degrees C.
•0= AG° + RT * In (K) %3D • -AG° = RT * In (K) %3D • AG° = -RT * In (K) %3D AG° = -0.616 * In (K)... %3D
(c) The data set below represents the surface tension data for aqueous solutions of 3- methylbutanoic acid [(CH3)2CHCH₂COOH] at 25°C. [C] [mol.dm³] 0 Y[mN.m'] 72.7 0.009 64.6 0.026 59.0 0.065 51.3 0.135 47.0 (i) Calculate the surface excess of 3-methylbutanoic acid (in mol.m2) and (ii) Hence estimate the molecular cross sectional area (in nm²) for this surface active molecule. (iii) Compare your estimate with the molecular cross sectional area one might expect for n-butanoic acid and account for the difference, if any, between the two surface active molecules.
For a Copper-Nickel (Cu-Ni) alloy of composition 65 wt % Ni and 35 wt % Cu at 1350 °C (Point B), refer to the phase diagram provided in Figure 2 and answer the following. (1) What is composition of liquid phase? (ii) What is composition of solid phase? (iii) What fraction of the system is liquid for a 65% Ni alloy at 1250 °C? (iv) What fraction of the system is solid for a 65% Ni alloy at 1250 °C? Composition (at% Ni) 20 40 60 80 100 1600 2800 1500 Liquid 1453°C 2600 1400 58 Liquidus line 70 Solidus line 2400 1300 a +L 1200 2200 1100 2000 1085°C 1000 20 40 60 65 80 100 (Cu) Composition (wt% Ni) (Ni) Figure 2. Copper (Cu) and Nickel (Ni) Phase diagram Temperature (°C) Temperature ("F)