'Percent ionization' diaporamas de présentation

Acid-Base Equilibria

Acid-Base Equilibria. Acids and Bases: A Brief Review. Acids: taste sour and cause dyes to change color. Bases: taste bitter and feel soapy. Arrhenius: acids increase [H + ]; bases increase [OH - ] in solution. Arrhenius: acid + base ? salt + water.

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Chemistry, The Central Science , 10th edition AP edition Theodore L. Brown; H. Eugene LeMay, Jr.; and Bruce E. Bursten

Chemistry, The Central Science , 10th edition AP edition Theodore L. Brown; H. Eugene LeMay, Jr.; and Bruce E. Bursten. Chapter 16: Acid-Base Equilibria (part I) John D. Bookstaver, St. Charles Community College, St. Peters, MO, ? 2006, Prentice Hall, Inc. ( ppt modified for our requirements ).

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Acids and Bases

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Chapter 17: Acids and Bases

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Weak Acids & Bases

Weak Acids & Bases. Chapter 16. Dissociation Constants. Since weak acids do not dissociate completely, [H 3 O + ] ? [acid] For a generalized acid dissociation, the equilibrium expression would be This equilibrium constant is called the acid-dissociation constant, K a. K c =.

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pH and [H+]

pH and [H+]. Using concentrations to determine pH, pOH , pKw and other interesting things!. pH Scale. Because of the tremendous range of [H + ] and [OH - ], scientists rely on the pH scale to communicate concentrations Equation for pH: pH = -log [H + ]

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The Ka and Kb of it

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pH and K a values of Weak Acids

pH and K a values of Weak Acids. AP Chem April 24, 2012. Weak Acids: Calculation of K a from pH. Will need to use ICE skills for solving equilibrium problems. Because the concentration of the acid (reactant side) does NOT equal the concentration of the H+ ion (product side)

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Ionization constant, K a, for a weak acid

Ionization constant, K a, for a weak acid. HA D H + + A - K a = [H + ][A - ] [HA]. What is the [H + ] in 0.100M formic acid? K a for formic acid is 1.77 x 10 -4 HCOOH D H + + COOH -

288 views • 6 slides