Acids And Bases Unit 5 Flashcards

1
Q

What are electrolytes?

A

Water soluble solutions that form ions which conduct electricity 

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2
Q

The more ions in the solution the more…

A

Electricity the solution can conduct

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3
Q

Example of an electrolyte solution

A

Acids and bases

The stronger the acid or base the more ions in the solution

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4
Q

What do strong acids and bases do?

A

Completely ionize

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5
Q

What do weak acids and bases do

A

Partially ionize

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6
Q

How is the strength of an acid determined?

A

By how much it ionizes

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7
Q

Acid

A

Any substance that produces H plus when dissolved in water

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8
Q

H+=

A

H30+

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9
Q

Base

A

Any substance that accepts an H+ and dissolves in H2O

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10
Q

What is a conjugate base pair?

A
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11
Q

Conjugate acid definition

A

What forms when the base accepts an H plus

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12
Q

Conjugate acid of H2S

A

H3S+

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13
Q

Conjugate base definition

A

What forms on an acid loses an H plus

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14
Q

Conjugate base of HF

A

F-

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15
Q

The stronger the acid, the …

A

Weaker the conjugate base

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16
Q

Amphiprotic

A

Substances that can act as both acids and bases

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17
Q

Characteristics of acids and bases
A(6) B(5)

A

Acid Bases
1 sour. 1 bitter
2 burn. 2 slippery
3 conduct electricity 3 conduct same
4 affect indicators. 4 same
5 PH<7. 5 PH > 7
6 dissolve metals

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18
Q

Ka

A

Acid constant

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19
Q

How are strong acids written?

A

As an equation that goes to completion

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20
Q

How are weak acids written?

A

As equilibrium equations

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21
Q

Ka for a strong acid

A
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22
Q

Ka for weak acids

A
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23
Q

Strong acid

A
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24
Q

Weak acid

A
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25
Find H+ for a strong acid
26
For strong acids what is [H+]= to
[] or acid
27
Find H+ for weak acids
28
What do you add when it says solution
Add h20 and h30
29
30
What can pure water act as
A weak acid or base that doesn’t ionize
31
Kw
Ionization constant of water
32
Kw=
1.0x10-14=[H] [OH]
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H>OH
Acidic
35
H=OH
Neutral
36
H
Basic
37
PH=
-log [H+]
38
POH=
-log [OH-]
39
What does a change of one on the pH scale mean?
The solution is 10 times more or less acidic
40
PH<7
Acidic
41
PH=7
Neutral
42
PH>7
Basic
43
POH<7
Basic
44
POH=7
Neutral
45
POH>7
Acidic
46
PKW=
PH+POH AT ANY TEMP
47
At 25 degrees
14=PH+POH
48
What is the PH of a 0.01M HCl solution
49
50
51
52
53
54
Kw= Relationship
Ka x kb
55
Kb= Relationship
Kw ➗ka (ka is conjugate acid of base)
56
Titrations have
Moles of acid= moles of base
57
Solids at equivalence point
58
Solutions at equivalence point
59
60
61
Titration curves (how do draw)
62
What do titration curve show you
How the pH changes throughout the titration
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