Chem_208_Lecture_18 - Today: Lewis Acids/Bases (16.9)...

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1 Today: Lewis Acids/Bases (16.9) Solubility Equilibria (Ch 18) PS7 due by 2:00 Fri, 3/28 (tomorrow) Pick up or download PS8 today
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2 It is a violation of Cornell's Code of Academic Integrity to remove/deface/damage materials from the Cornell Libraries. Such cases will be pursued vigorously.
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3 Lewis Acid-Base Theory • Bronsted-Lowry Definitions: – Acid: Proton donor – Base: Proton Acceptor • Lewis Definition: – Lewis Acid: Electron pair acceptor • Has vacant orbitals – Lewis Base: Electron pair donor • Has lone pair electrons Lewis Acid + Lewis Base Lewis Acid-Base adduct
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4 Solubility and Complex Ion Equilibria Soluble and Insoluble are qualitative and relative terms A solid is soluble if a noticeable (measurable) amount of it dissolves when added to water No solids are infinitely soluble in water
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Solubility Rules • All compounds of ammonium (NH 4 + ) and of alkali metals (Group IA), are soluble. • All
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Chem_208_Lecture_18 - Today: Lewis Acids/Bases (16.9)...

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