lecture 11 - Types of Equilibria Lecture 14 FINDING...

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1 Lecture 14 FINDING SOLUTIONS: Solubility Equilibria Key Idea: Solubility constants can be used to predict the solubility of compounds. Types of Equilibria Homogeneous Equilibria - Solution reactions: Fe 3+ (aq) + SCN - (aq) ' FeSCN 2+ (aq) - Gas reactions: H 2 (g) + I 2 (g) ' 2HI(g) - Acid-base reactions: HA (aq) ' H + (aq) + A - (aq) Heterogeneous Equilibria (Lectures 14 and 15) - Solubility of solids: AgCl (s) ' Ag + (aq) + Cl - (aq) - Gas solubility: O 2 (g) ' O 2 (aq) - Phase changes: H 2 O(s) ' H 2 O(l) Vitamins Which are water soluble? Vitamin A Vitamin C Cyclohexane, C 6 H 12 Glucose, C 6 H 12 O 6 Hydrogen Bonding and Aqueous Solubility Insoluble Soluble Solubility How soluble is soluble? 1.0 M 2.0 M 5.1 M 5.1 M 1.0 mole 2.0 moles 5.1 moles 6.0 moles added per liter added per liter added per liter added per liter What do you observe as more moles of glucose are added? Solubility Equilibria C 6 H 12 O 6 (s) ' C 6 H 12 O 6 (aq) Why is the concentration of solid glucose a constant? What is the maximum amount of glucose that will dissolve in water?
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This note was uploaded on 09/30/2008 for the course CHEM 11006 taught by Professor Majda during the Fall '08 term at Berkeley.

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lecture 11 - Types of Equilibria Lecture 14 FINDING...

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