When a compound is formed which undergoes decomposition with formation of another solid phase at a temperature below the congruent melting-point of the compound, the equilibrium assumes a different form. An invariant point marking a discontinuity that is not a maximum or minimum is called a peritectic. 900 melt 700 A + melt Peritectic 500 A C + melt 300 B + melt C + B 100 A 100 mole % B What is the formula of the compound C formed? t, °C
When a compound is formed which undergoes decomposition with formation of another solid phase at a temperature below the congruent melting-point of the compound, the equilibrium assumes a different form. An invariant point marking a discontinuity that is not a maximum or minimum is called a peritectic. 900 melt 700 A + melt Peritectic 500 A C + melt 300 B + melt C + B 100 A 100 mole % B What is the formula of the compound C formed? t, °C
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:When a compound is formed which undergoes decomposition with formation of another solid
phase at a temperature below the congruent melting-point of the compound, the equilibrium
assumes a different form. An invariant point marking a discontinuity that is not a maximum or
minimum is called a peritectic.
900
melt
700
A + melt
Peritectic
500
cles
A
C + melt
300
B + melt
C
C + B
100
100
mole % B
What is the formula of the compound C formed?
Draw cooling curves at 20%, 40%, 60%, and 90 % B.
Identify what happens at each halt and break in above cooling curves.
Is there a eutectic point on the diagram? If so, at what composition does it occur?
t,°C
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