Lesson_10 - Lesson 10 Liquids and Solutions Chapters 12 and...

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Unformatted text preview: Lesson 10 Liquids and Solutions Chapters 12 and 13 (Petrucci et al.) Lesson 10 Phase equilibrium • A phase is a region of uniform properties • During phase equilibrium there is no net conversion of one phase to the other – Equilibrium is a dynamic process Lesson 10 Vapour pressure • Lesson 10 Vapour pressure of water Lesson 10 Vapour pressures of several liquids a) Diethyl ether, Normal Boiling Points Lesson 10 Normal boiling points of some hydrides Hydrogen bonding in H 2 O Lesson 10 (a) Each water molecule is linked to four others through hydrogen bonds. The arrangement is tetrahedral. Each H atom is situated along a line joining two O atoms, but closer to one O atom (100 pm) than to the other (180 pm). ( b) For the crystal structure of ice, H atoms lie between pairs of O atoms, again closer to one O atom than to the other. (Molecules behind the plane of the page are light blue.) O atoms are arranged in bent hexagonal rings arranged in layers. This characteristic pattern is similar to the hexagonal shapes of snowflakes. (is similar to the hexagonal shapes of snowflakes....
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This note was uploaded on 04/13/2009 for the course CHEMISTRY 102 taught by Professor Soares during the Spring '09 term at Waterloo.

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Lesson_10 - Lesson 10 Liquids and Solutions Chapters 12 and...

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