Chapter 2 - II Acids and Bases a Ionization of strong...

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Chapter 2: Chemistry of life I. Water a. Polar i. Partially charged ii. Hydrophilic interactions with polar molecules b. Forms Hydrogen bonds i. With itself and other molecules 1. N, O, F c. Ice Floats i. SOLID WATER = LESS DENSE THAN LIQUID WATER d. Melting, Freezing, and Heat Capacity i. Lots of energy to melt ii. Lots energy lost to freeze iii. High specific heat iv. High heat of vaporization e. Cohesion and Surface Tension i. Resist breaking bonds when under tension ii. Continuously form and reform H-bonds f. Weak Acid i. Slight tendency to donate a proton g. Weak Base i. Slight tendency to accept a proton
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Unformatted text preview: II. Acids and Bases a. Ionization of strong acids/bases = irreversible b. Ionization of weak acids/bases = somewhat reversible III. pH a. pH = -log[H + ] IV.Buffers a. Weak acid and conjugate base b. Maintain constant pH despite adding lots of acid/base i. When acid added – base takes up much of protons ii. Base added – acid donates many protons V. Law of Mass Action a. Equilibrium shifted to right if concentration of reactant is increased b. Equilibrium shifted to left if concentration of product is increased...
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