Chemistry Acids and Bases

Chemistry Acids and Bases - #82 Notes Unit 10: Acids &...

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LLC © 2011 #82 Notes Ch. Acids, Bases, and Solubility Ch. Acids/ Bases ** Acids: start with “H” or end in –CO 2 H (-COOH) and have a sour taste. ** Bases: end in –OH (positive ion in front) or end in –NH, -NH 2 , NH 3 They have a bitter taste and feel slippery. * 3 Acid/Base Theories I. Arrhenius Theory a) Acids produce H + in a water solution H 2 O + HCl (g) → H + (aq) + Cl - (aq) (+ H 2 O) b) Bases produce OH - in a water solution H 2 O + NaOH (s) → Na + (aq) + OH - (aq) (+ H 2 O) Acids, Bases and Salts are Electrolytes (Ion forming in water). II. Brønsted-Lowry Theory a) Acids donate protons (H + ) ← lose 1e - , 1 p left, 0 neutrons HCl (g) + H 2 O → H 3 O + (aq) + Cl - (aq) H 3 O + = hydronium ion conjugate acid conjugate base (acid always has “H + ”) - deprotonated acid -protonated base b) Bases accept protons NH 3(g) + H 2 O → NH 4 + (aq) + OH - (aq) conj. acid conj. base (has “H + ”) III. Lewis Theory a) Acids are e - pair acceptors . b) Bases are e
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This note was uploaded on 09/04/2011 for the course CHM 2046 taught by Professor Haces during the Spring '11 term at FAU.

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Chemistry Acids and Bases - #82 Notes Unit 10: Acids &...

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