Ranked #1
Lecture 16: Gibbs Free Energy and Chemical Reactions
Lecture 16: Gibbs Free Energy and Chemical Reactions
We define the Gibbs Free Energy, which is the right energy function to use when you can control temperature, pressure, a... Read more
26 Oct 2005
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Ranked #2
Lecture 17: Introduction to Phase Transitions
Lecture 17: Introduction to Phase Transitions
We finish discussing chemical reactions, including how fast they progress, and what a catalyst can do for you. Then we ... Read more
31 Oct 2005
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Ranked #3
Lecture 18: Van Der Waals and Geckos
Lecture 18: Van Der Waals and Geckos
We derive the shape of the phase boundary for solid to gas transitions (sublimation), examples being dry ice (CO2) or ic... Read more
2 Nov 2005
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Ranked #4
Lecture 20: Landau Theory of Phase Transitions; Oil, Water, and Alloys
Lecture 20: Landau Theory of Phase Transitions; Oil, Water, and Alloys
Now that we know what order parameters are (see last lecture), we'll use the order parameter of a phase to construct the... Read more
10 Nov 2005
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Ranked #5
Lecture 19: Symmetries, Order Parameters, and the Failure of Reductionism
Lecture 19: Symmetries, Order Parameters, and the Failure of Reductionism
We finish the van der Waals equation of state, and use it to illustrate the liquid-gas phase transition. It turns out t... Read more
8 Nov 2005
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Ranked #6
Lecture 21: Alloys, Mixing, and Phase Separation
Lecture 21: Alloys, Mixing, and Phase Separation
Oil and water -- they don't mix. Or do they? Due to the entropy of mixing, any tiny amount of impurity is highly favor... Read more
15 Nov 2005
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Ranked #7
Lecture 24: Fluctuation-Dissipation Theorem
Lecture 24: Fluctuation-Dissipation Theorem
We finish two more examples of the Fluctuation-Dissipation Theorem. This is a theorem that pops up everywhere! It means ... Read more
1 Dec 2005
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Ranked #8
Lecture 22: Nucleation in First Order (Abrupt) Phase Transitions
Lecture 22: Nucleation in First Order (Abrupt) Phase Transitions
Supercooling Demonstration (thanks to special guest Prof. Ken Ritchie): Put filtered water in a plastic bottle in your... Read more
16 Nov 2005
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Ranked #9
Lecture 15: Refrigerators and Path Dependence of Work
Lecture 15: Refrigerators and Path Dependence of Work
How refrigerators work. Why you can't cool your apartment by leaving the refrigerator door open. How heat and work dep... Read more
24 Oct 2005
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Ranked #10
Lecture 14: Engines
Lecture 14: Engines
Storytime with Thursday Next (Jasper Fforde), and her Uncle Mycroft's entropy-detecting entroposcope. Why are large-scal... Read more
13 Oct 2005
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