The MgO-NiO phase diagram is shown below. On the diagram, draw the process of cooling from the liquid phase to the solid solution for an equimolar composition. Explain the process in detail, including compositions at each phase transition.

The MgO-NiO phase diagram is shown below. On the diagram, draw the process of cooling from the liquid phase to the solid solution for an equimolar composition. Explain the process in detail, including compositions at each phase transition.

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter22: Inorganic Materials

Section: Chapter Questions

Problem 40AP

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Question

2800
Liquid
2600
2400
Solid Solution
L+S.S.
2200
2000
60
80
40
Mol %
100
NiO
Mgo
20

The MgO-NiO phase diagram is shown below. On the diagram, draw the process of cooling from
the liquid phase to the solid solution for an equimolar composition. Explain the process in detail,
including compositions at each phase transition.

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