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Chemistry > acids & bases > Flashcards

acids & bases Flashcards

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1
Q

Acid

A

donates a H+ proton to another substance

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2
Q

Base

A

accepts a H+ proton from another substance

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3
Q

Conjugate acid-base pair

A

The pair of acid and base that differ by a H+

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4
Q

Amphoteric substance

A

Substance that can either donates or accept a hydrogen ion

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5
Q

Properties of Acid

A

Sour taste
Reacts with some metals to form H2O
Conducts electricity
React with bases

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6
Q

Properties of Bases

A

Bitter taste
Slippery (ex soap)
Conducts electricity

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7
Q

Strong Acids

A

HNO3, H2SO4, HCl, HClO4, HBR, HI

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8
Q

Strong Bases

A

LiOH, Ca(OH)2, NaOH, KOH, Ba(OH)2. Sr(OH)2

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9
Q

Weak Acids & Bases

A

Ionize partially

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10
Q

Weak Acids (Ka)

A

As Ka decreases less H is formed in solution, so base acid is weaker

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11
Q

Weak Bases (Kb)

A

As Kb decreases less OH is formed in solution, so base is weaker

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12
Q

Multiple Equilibria

A

When two reactions are added to give a third (net reaction) the equilibrium constants are multiplied
Ka X Kb = Kw

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13
Q

Polyprotic Acids

A

Certain weak acids contain more than one ionizable H. These acids dissociate in multiple steps

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14
Q

Salt

A

an ionic compound not containing H or OH
When it dissolves, the ion are formed

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15
Q

Cations

A

when derived from strong bases–> spectator ions
Others are slightly acidic

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16
Q

Diprotic Acid

A

Dissociates to form 2 hydrogen ions

17
Q

Triprotic acid

A

Dissociates to form 3 hydrogen ions

18
Q

weak acid + strong base

A

water + weak base

19
Q

strong acid + weak base

A

weak acid

20
Q

weak acid + weak base

A

weak acid + weak base

21
Q

Titration

A

a process in which one reagent is added to another with which it reacts; an indicator is used to determine the point at which equal quantities of the two reagents have been added

22
Q

Equivalence point

A

the point at which the neutralization reaction is complete

23
Q

End point

A

the point at which the indicator changes color

24
Q

Acid-Base indicators

A

produce a color change in an acid-base reaction

Chemistry (6 decks)

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