Lecture_Notes_092509b

Lecture_Notes_092509b - H 2 O HF H 2 S HCl H 2 Se HBr H 2...

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Acid-Base Properties of Salts y Find the pH of a 0.100 M NaCHO 2 solution. K a = 1.8 x 10 -4 for CHO 2 H.
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Will a 0.10 M solution of NH 4 F be acidic, basic or neutral? Acid i c Bas ic Neutral 63% 2% 35% 1. Acidic 2. Basic 3. Neutral K b for NH 3 = 1.8 x 10 -5 K a for HF = 3.5 x 10 -4
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Cabbage Juice pH Indicator pH 2 4 6 8 10 12 Color Red Purple Violet Blue Blue-Green Greenish Yellow
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Acid-Base Properties of Oxides y Acidic Oxides – when a covalent oxide dissolves in water it forms an acidic solution y Basic Oxides – when an ionic oxide dissolves in water it forms a basic solution
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Which of the following oxides will result in a solution with a pH greater than 7 when dissolved in water? S O2 M g O CO 2 O3 4% 9% 4% 83% 1. SO 2 2. MgO 3. CO 2 4. SO 3
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Effects of Structure on Strength
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Unformatted text preview: H 2 O HF H 2 S HCl H 2 Se HBr H 2 Te HI Effects of Structure on Strength Effects of Structure on Strength Lewis Acid-Base Model y Acid accepts an electron pair in an empty valence orbital y Base donates a lone electron pair from a valence orbital Lewis Acid-Base Model Lewis Acid-Base Model Lewis Acid-Base Model y For each of the following acid-base reactions, draw the electron dot structures of the reactants and products, and use curved arrows to represent the donation of lone pair electrons from the Lewis base to the Lewis acid. y AlCl 3 + Cl- AlCl 4-y H 2 O + SO 2 H 2 SO 3...
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This note was uploaded on 10/14/2009 for the course CHEM 105BLG at USC.

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Lecture_Notes_092509b - H 2 O HF H 2 S HCl H 2 Se HBr H 2...

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