BIS 102 Lecture Notes

BIS 102 Lecture Notes - September 25 Friday, September 25,...

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September 25 Friday, September 25, 2009 9:55 AM Lecture Page 1
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Lecture Page 2
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September 28 Monday, September 28, 2009 10:01 AM Lecture Page 3
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September 30 Wednesday, September 30, 2009 8:03 AM Lecture Page 6
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Lecture Page 7
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l Lecture Page 8
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October 02 Friday, October 02, 2009 9:47 AM Lecture Page 9
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Monday, October 05, 2009 9:53 AM Lecture Page 11
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October 07 Wednesday, October 07, 2009 9:55 AM Lecture Page 13
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October 09 Friday, October 09, 2009 10:00 AM Lecture Page 16
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attraction Lecture Page 17
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l Lecture Page 18
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Monday, October 12, 2009 10:14 AM Lecture Page 19
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Delta s has two parts. A pentane part. And the pentane part is actually a minus delta s. now remember, in thermodynaics, everything spontaenous tends towards more disorder, which is a positive s, here pentanes are becoming ordered. This is in the wrong direction. Why? Because they are appearing in a layer on the top, and it just gives an illusion that they like each other. Water gives them no choice. So if the pentane is a minus delta s and you put a negative number if front of a minus sign, it turns it positive. This doesn’t help delta g negative. So the point is the pentanes arent in charge in terms of entropy. The waters however, are going to give a positive delta s because they give a miuch more disordered situation. This white circle around each pentane represents many white water shells. When they collide, most of the water will be released and they will enjoy a much more random life than the ones organized in the clatherith. So delta S for this whole thing is positve because the water + is bigger than the - from the pentane so the minus sign makes it negative and its larger than the plus from the heat so it makes
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BIS 102 Lecture Notes - September 25 Friday, September 25,...

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