PROBLEM 4 (CONTINUED...) The Gibbs free energy curves for the liquid and solid of a hypothetical A-B binary system are shown below. Molar Free Energy (J/mol) 4000 2000 -2000 -4000 0.0 solid solution liquid solution 0.4 0.6 08 1.0 Mole Fraction B For overall compositions of 20 at% B and 80 at% B, determine the compositions of the phase(s) present at equilibrium and whether they are solid or liquid solutions. If more than one phase is present, determine the relative amounts (on an atomic basis). (5 points each) 20 at% B: 100% liquid A-20at%B .575 at: B-liquid 8007B 80 at% B: .975a+: B-solid 0975-8 975575 =XL =4442 5625

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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PROBLEM 4 (CONTINUED...)
The Gibbs free energy curves for the liquid and solid of a hypothetical A-B binary system are shown
below.
Molar Free Energy (J/mol)
4000
2000
-2000
-4000
0.0
solid solution
liquid solution
0.4
0.6
08
1.0
Mole Fraction B
For overall compositions of 20 at% B and 80 at% B, determine the compositions of the phase(s)
present at equilibrium and whether they are solid or liquid solutions. If more than one phase is
present, determine the relative amounts (on an atomic basis). (5 points each)
20 at% B: 100% liquid A-20at%B
.575 at: B-liquid
8007B
80 at% B:
.975a+: B-solid
0975-8
975575
=XL
=4442
5625
Transcribed Image Text:PROBLEM 4 (CONTINUED...) The Gibbs free energy curves for the liquid and solid of a hypothetical A-B binary system are shown below. Molar Free Energy (J/mol) 4000 2000 -2000 -4000 0.0 solid solution liquid solution 0.4 0.6 08 1.0 Mole Fraction B For overall compositions of 20 at% B and 80 at% B, determine the compositions of the phase(s) present at equilibrium and whether they are solid or liquid solutions. If more than one phase is present, determine the relative amounts (on an atomic basis). (5 points each) 20 at% B: 100% liquid A-20at%B .575 at: B-liquid 8007B 80 at% B: .975a+: B-solid 0975-8 975575 =XL =4442 5625
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