3.2. Condensed Phase Equilibrium

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Lecture on the condensed-phase equilibrium of two- and three-component systems. For 2-component systems, the example system discussed is a binary system in which the components are completely miscible in the liquid phase. The application of the lever rule is also discussed. For 3-component systems, the Stokes-Rozeboom diagram is introduced with application to liquid-liquid-liquid systems and solid-solid-liquid systems.

OUTLINE

1:09 TWO-COMPONENT SYSTEMS (with complete miscibility in the liquid state)
2:17 Practical Applications
4:04 Variance of c=2 systems
5:45 CASE 1 - No chemical Reaction
13:42 Tie lines - determining composition of a phase
15:47 The Lever Rule
39:29 CASE 2A - Eutectic reaction
45:43 CASE 2B - Peritectic reaction

57:55 THREE-COMPONENT SYSTEMS
59:55 The Stokes-Rozeboom Diagram
1:05:33 Liquid-liquid-liquid systems: analysis of differences in miscibility between the components
1:21:50 Solid-solid-liquid systems: no reaction between components
1:33:05 Solid-solid-liquid systems: pure components react to form a binary compound
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First I would like to thank Ms Sarah for clarifying the lever rule. All these years I have used tables developed through repeatative manufacturing procedures without actually understanding the lever rule.. i am very glad. Thank you.
In problem 3.2.1 it seems we should have used 38% instead of 62% for our lever rule. The answer of 59.67 (about 60%) seems to agree with tin instead of lead.

shadracknhiwatiwa
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your really great teacher, you know how to teach concept and presenting in easily understandable manner

Mare_brewery
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you are my savior.. i didnot understand it from my doctor.. i really like you
. thanks alot

دينامحمد-وض
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بعد روحي هسه عرفت ست انوار منين جابت ملزمتها

km.i
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Extremely helpful..you have explained this in a very lucid manner.

ak-wspr
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The word Okay used for infinite times

AnkitPatel-wtky
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My bad....the original solution does contain 75% lead which precipitates with reduction in temperature until some 15% or so is left. So thank you again...I have even learned to correct myself !!

shadracknhiwatiwa