'Ch 3 cooh' diaporamas de présentation

19.13) Which of the following bases are strong enough to deprotonate CH 3 COOH?

19.13) Which of the following bases are strong enough to deprotonate CH 3 COOH?. a) F -. pk a of CH 3 COOH is 4.8. b) (CH 3 ) 3 CO -. b) has a pk a of 18 c) has a pk a of 50 d) has a pk a of 38. c) CH 3 -. d) NH 2 -.

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18 Acids and Bases (AHL)

18 Acids and Bases (AHL). DP Chemistry Rob Slider. Acid-Base Calculations. Product constant of water K w. Note that water slightly dissociates in equilibrium with hydrogen and hydroxide ions: H 2 O ?? H + + OH - So, the equilibrium constant is:

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Threeway analysis

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Benzene

Benzene. C 6 H 6 Uses : styrene; phenol; synthetic detergents; cyclohexane for nylon; DDT; insecticides; fumigants; solvent; paint removers; rubber cement; antiknock gasoline. Phenol, (carbolic acid). C 6 H 5 OH

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Acids/Bases/ch 15

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Thermodynamics and kinetics

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Acids & Bases

Acids & Bases. Properties of Acids. Sour taste Change color of acid-base indicators (red in pH paper) Some react with active metals to produce hydrogen gas Ba (s) + H 2 SO 4(aq) BaSO 4(s) + H 2(g) Some react with bases to neutralize and form salt and water

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Aqueous Equilibria

Chapter 17 HW problems: 3, 5, 14, 15, 16, 23, 24, 27a, 28a, 31, 37, 43, 45, 51, 57. Aqueous Equilibria. The presence of a common ion suppresses the ionization of a weak acid or a weak base. CH 3 COONa ( s ) Na + ( aq ) + CH 3 COO - ( aq ). common ion.

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CONTENTS Structure of carboxylic acids Nomenclature

CARBOXYLIC ACIDS. CONTENTS Structure of carboxylic acids Nomenclature Physical properties of carboxylic acids Preparation of carboxylic acids Chemical properties of carboxylic acids Esters. CARBOXYLIC ACIDS. Before you start it would be helpful to…

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Applications of Aqueous Equilibria

Applications of Aqueous Equilibria. Chemistry 4th Edition McMurry/Fay. The Common-Ion Effect 01. Common Ion: Two dissolved solutes that contain the same ion (cation or anion). The presence of a common ion suppresses the ionization of a weak acid or a weak base.

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Chapter 15: Acids and Bases

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Substituted Carboxylic Acid

? 10 ?. ???????. Carboxylic Acid and. Substituted Carboxylic Acid. 1. ??????. CH 3 COOH. CH 3 (CH 2 ) 14 COOH. CH 3 (CH 2 ) 16 COOH. ?? ??? ???. ?? ??? ???. ???. ??? ?????. ??. ??? ???. ????????????. ?????.

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Moles

Moles. Moles EQ: What is a mole? How do Scientist use the mole unit to count?. GPS: SC2 Students will relate how the Law of Conservation of Matter is used to determine chemical composition in compounds and chemical reactions.

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Searching for the Origins of Life in Interstellar Space

Searching for the Origins of Life in Interstellar Space. Michael Jarvis & the Research Group of Professor D. K. Bohme. Centre for Research in Mass Spectrometry, York University. Thursday, April 26, 2007. NGC 4526. Composition of the stars:. 90% hydrogen 10% helium

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AQUEOUS SOLUTIONS

AQUEOUS SOLUTIONS. Example The solution NaCl(aq) is sodium chloride NaCl(s) dissolved in water H 2 O(l) The solute is NaCl(s) and the solvent is H 2 O(l). A solution is a homogeneous mixture of a solute dissolved in a solvent. In aqueous solutions solvent is WATER.

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Carboxylic Acids, Esters, Amines and Amides

Carboxylic Acids, Esters, Amines and Amides. Carboxylic Acids Properties of Carboxylic Acids Esters Esterification and Hydrolysis. Carboxyl Group. Carboxylic acids contain the carboxyl group on carbon 1. O  CH 3 — C — OH = CH 3 — COOH carboxyl group. Naming Carboxylic Acids.

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The Henderson-Hasselbalch Equation

The Henderson-Hasselbalch Equation. The Henderson-Hasselbalch Equation the significance of pH the predominant solution species The significance of pH in solutions which contain many different acid/base pairs Diprotic Acids

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Chemical Equilibrium

Chemical Equilibrium. Chapter 15. a A + b B c C + d D. [C] c [D] d. K C =. [A] a [B] b. Equilibrium constant. Law of Mass Action. Must be caps!. Lies to the right. Lies to the left.

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HIGHER CHEMISTRY REVISION .

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