CHEM 111 Things to Memorize -Ch. 15 16- (Test -2).

CHEM 111B: Things to Memorize [Ch.
15, 16] (Test #2)
Arrhenius Acid/Base - Correct Answer: Acid: A substance that increases the
concentration of H+ ions in water
Base: A substance that increases the concentration of OH- ions in water

Brønsted-Lowry Acid/Base - Correct Answer: Acid: A substance that donates a proton,
H+
Base: A substance that accepts a proton, H+

Conjugate Acid-Base Pair - Correct Answer: Acid/base differ in presence or absence of
a proton
*Conj. Base will have one less proton, while conj. acid will have one more proton of an
example species

Water and anions of polyprotic acids are _______________ , it can act as both an acid
and a base. - Correct Answer: amphoteric

Concentrated/Dilute & Strong/Weak - Correct Answer: Concentrated - lots of acid/base
in solution
Strong - fully ionizes

A strong acid/base has a _______ conjugate base/acid. - Correct Answer: weak

A weak acid/base does NOT have a _________ conjugate base/acid. - Correct Answer:
strong

List of Strong Acids - Correct Answer: HI
HBr
HCl
HClO4
H2SO4
HNO3

Assume _____ / ______ when temperature is not given. - Correct Answer: 25°C / 298 K

p = _______ - Correct Answer: - log

Kw = Ka · Kb = [H3O+][OH-] = ____________ - Correct Answer: 1.0 x 10^-14

pH + pOH = pKa + pKb = ____ - Correct Answer: 14

[H3O+] = 10^ _____ - Correct Answer: - pH