Exercise 3 (Gibbs free energy in equilibrium) Using the Ti-Si phase diagram: a) Sketch how the Gibbs free energy changes as a function of composition, of the Ti-Si mixture at 1400 °C between 0 and 30 at% Yes b) Sketch how the Gibbs free energy of the Ti-Si mixture changes at any eutectic point, specify temperature and chemical composition.

Exercise 3 (Gibbs free energy in equilibrium) Using the Ti-Si phase diagram: a) Sketch how the Gibbs free energy changes as a function of composition, of the Ti-Si mixture at 1400 °C between 0 and 30 at% Yes b) Sketch how the Gibbs free energy of the Ti-Si mixture changes at any eutectic point, specify temperature and chemical composition.

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...

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Question

Exercise 3 (Gibbs free energy in equilibrium)
Using the Ti-Si phase diagram:
a) Sketch how the Gibbs free energy changes as a function of composition, of the Ti-Si
mixture at 1400 °C
between 0 and 30 at% Yes
b) Sketch how the Gibbs free energy of the Ti-Si mixture changes at any eutectic point,
specify
temperature and chemical composition.
Weight percent silicon
10
20
30
40
50
60
70
80
90
100
2200
2130°c
2000
1920°C
1800
o70°c
1600
1670°C
1434°c
1400
(IL9)+
-(STi)
1170°c
1200
1000
(Si
(aTi)
600
10
20
30
40
50
60
70
80
90
100
Ti
Atomic percent silicon
Si
Figura 1. Diagtama de fase Ti-Si
Temperature (°C)

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Step 2: Phase diagram

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Step 3: a) Gibbs Free Energy Changes at 1400 °C

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Step 4: b) Gibbs Free Energy at the Eutectic Point

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