Chem 115 Lecture_17

Chem 115 Lecture_17 - Lecture 17, 11/22/07 Solutions...

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Lecture 17, 11/22/07 Solutions Reading: Sections 9.8 (part), pp. 408-412; Section 13.2-13.4, pp. 591-606; Section 5.8, pp. 205-212; Section14.1-14.2, pp. 658-668 Lab: Where’s the iron?
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Formation of Solutions Ethanol with water. Ethanol: Shake
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Formation of Solutions Ethanol with water: _Potential for disorder increase _ and _delta E is negative_ (exothermic dissolution), both H 2 O and ethanol form hydrogen bonds
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Formation of Solutions Break dispersion forces Break dspersion forces ____________________ ____________________
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Formation of Solutions Shake What will happen if we add dichloromethane to water?
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Formation of Solutions Dichloromethane with water: Potential increases. Delta E is Unfavorable. (Break strong H ····O make weak Cl ····O, etc.)
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Enthalpy of Solvation
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Formation of Solutions “Like dissolves like.” Here we mean solvents & solutes with similar intermolecular forces.
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I 2 is a solid composed of non-polar molecules. Is it
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This note was uploaded on 04/07/2008 for the course CHEM 115 taught by Professor L during the Spring '02 term at Purdue.

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Chem 115 Lecture_17 - Lecture 17, 11/22/07 Solutions...

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