Acids & Bases Flashcards

1
Q

Arrhenius Acid:
- Produces ____
- Same as ____

A
  • Produces H+
  • Same as Bronsted Acid
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2
Q

Arrhenius Base:
- Produces ____
- Same as ____

A
  • Produces OH-
  • Same as Bronsted Base
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3
Q

Bronsted Acid

A
  • Donates H+
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4
Q

Bronsted Base

A
  • Accepts H+
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5
Q

Lewis Acid

A

Accepts e- pair

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6
Q

Lewis Base

A

Donates e- base

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7
Q

Polyprotic acid

A

An acid with multiple ionizable hydrogen atoms

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8
Q

Water Dissociation Constant

A

Kw = 10^-14 at 298K
Kw=Ka * Kb

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9
Q

pH equation

A

pH= -log[H+]

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10
Q

pOH equation

A

pOH = -log[OH-]

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11
Q

[H+]

A

[H+] = 10^-pH

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12
Q

pH + pOH

A

pH + pOH = 14

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13
Q

p scale value approximation

A

-log (A * 10^-B)
p value = -(B + 0.A)

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14
Q

___ Acids/Bases dissociate completely
___ Acids/Bases do not dissociate completely

A
  • Strong = dissociate completely
  • Weak = do not dissociate completely
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15
Q

Acid Dissociation Equation & Constant

A

Equation:
Ka=([H3O+][A-])/[HA]

Constant:
pKa = -log(Ka)

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16
Q

Base Dissociation Equation & Constant

A

Equation:
Kb=([B+][OH-])/[BOH]

Constant:
pKb = -log(Kb)

17
Q

pKa + pKb

A

pKa + pKb = pKw = 14

18
Q

Buffering Capacity

A
  • Ability of a buffer to resist change in pH
  • Max is within 1 pH point of pKa
19
Q

Equivalent

A

Equals 1 mol of the species of interest

20
Q

Normality

A

Concentration of equivalents in solution

21
Q

Polyvalent

A

Can donate or accept multiple electrons