L20+Review+F10 - Unit 2 Overview Lecture 20 REVIEW FOR...

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Lecture 20 REVIEW FOR MIDTERM 2 Key Ideas Changes in matter involve the reorganization of atoms, ions, and molecules depending on external conditions. Unit 2 Overview 9. HEAD-ON COLLISION Rates of reaction 10. MAKE IT COUNT Moles, molar mass, molarity, pH 11. LEFTOVERS Ion recombination, oxidation-reduction 12. BACK IT UP Reversible reactions, equal rates 13. BASICALLY WEAK Weak acids/bases, equilibrium constant 14. SPECIAL K Le Chatelier’s principle 15. NEUTRAL TERRITORY Acid-base reactions, titrations 16. HOW RESILIENT Buffers 17. LIKE IT OR NOT Solubility of non-electrolytes 18. FINDING SOLUTIONS Solubility of ionic solids 19. SEPARATION ANXIETY Partitioning equilibria between phases Solubility of Metal Hydroxides Container A Container B Container C Component 1 1 liter H 2 O 1 liter H 2 O 1 liter H 2 O Component 2 1 mole AgOH (s) 1 mole Fe(OH) 3 (s) 1 mole Zn(OH) 2 (s) pH of solution at equilibrium (25°C) 10.1 7.0 8.5 1. Which metal hydroxide is the most soluble? 2. Which container has excess solid? 3.
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This note was uploaded on 12/18/2010 for the course CHEM 1A taught by Professor Nitsche during the Fall '08 term at University of California, Berkeley.

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L20+Review+F10 - Unit 2 Overview Lecture 20 REVIEW FOR...

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