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chemistry > unit 7 > Flashcards

unit 7 Flashcards

1
Q

what does an acid taste like?

A

sour

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2
Q

what does a base taste like?

A

bitter

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3
Q

what PH does an acid have?

A

6-1

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4
Q

what color does acid make blue litmus paper?

A

red

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5
Q

what color is phenolphthalein of an acid?

A

clear

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6
Q

what time of ions does an acid contain?

A

H+ ions

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7
Q

are acids or bases defined as proton donors?

A

acids

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8
Q

do acids react with metals?

A

yes

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9
Q

what taste do bases have?

A

bitter

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10
Q

what PH do bases have?

A

8 plus

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11
Q

what has a ph of 7?

A

basic

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12
Q

what color does a base change a red litmus paper too?

A

blue

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13
Q

what color is the phenolphthalein of a base?

A

pink

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14
Q

what type of ions does a base contain?

A

OH -1 ions

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15
Q

what are bases defined as?

A

proton acceptors

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16
Q

does an acid or base have a slippery feel?

A

base

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17
Q

Arrhenius defined acids and bases based on what?

A

based on their
chemical composition

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18
Q

Bronsted Lowry said that acids and bases are what?

A

acids: proton donors & bases: proton acceptors

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19
Q

how do strong electrolytes dissociate?

A

they completely dissociates into ions

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20
Q

strong electrolytes have what type of compounds?

A

ionic compounds

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21
Q

what type of electrolytes conduct very well?

A

strong electrolytes

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22
Q

how do weak electrolytes dissociate?

A

partially dissociates so only a few
ions

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23
Q

how do weak electrolytes conduct electricity

A

weak conductivity

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24
Q

how do strong electrolytes conduct electricity

A

strong conductivity

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25
how do non-electrolytes disassociate
they do not ionize
26
what type of compounds do non electrolytes have
covalent compounds
27
what type of conductivity do non electrolytes have
they do not conduct
28
how many strong acids are there
five
29
what are the five strong acids
hydrochloric acid, HCl hydrobromic acid, HBr hydroiodic acid, HI nitric acid, HNO3 sulfuric acid, H2 SO4
30
what is HCI
hydrochloric acid, strong acid
31
what is HBr
hydrobromic acid, strong acid
32
what is HI
hydroiodic acid, strong acid
33
what is HNO3
nitric acid, strong acid
34
what is H2 SO4
sulfuric acid, strong acid
35
what is sulfuric acid
H2 SO4
36
what is hyrdobromic acid
HBr
37
what is hydroiodic acid
HI
38
what is hydrochloirc acid
HCI
39
what is nitric acid
HNO3
40
what are weak acids
any acids that start with H other than the 5 strong acids
41
what are the strong bases
contain hydroxide (OH -1 ) sodium hydroxide, NaOH potassium hydroxide, KOH
42
what makes a base strong
it contains hydroxide, OH -1
43
what is sodium hydroxide
NaOH, strong base
44
what is potassium hydroxide
KOH, strong base
45
what are weak bases
a hodgepodge of things other than hydroxide
46
how do you name an acid with no oxygen
hyrdo-name of anion- ic acid
47
how do you name an acid with oxygen that ends in ate
remove ate, add ic acid
48
how do you name an acid with oxygen that ends in ite
remove ite, add ous acid
49
how do you change acid from its name to its formula
you identify the anion from the name, then switch the charges with H+
50
what is PH
the presence of hydronium ions (H30+)
51
what is the formula to find pH
-log [H+]
52
what is pOH
presence of hydroxide ions (OH-)
53
what is the formula to find pOH
-log [OH-]
54
ph + pOH always equals what
14
55
what is nuteralization
strong acid reacts with a strong base to form a salt and water (neutral solution)
56
what is the general form for neutralization
HX + MOH -> H20 + MX
57
what is titration
process that measures H+ and OH-
58
what is the equivalence point
where the amount of H+ equals OH-
59
what is a solution
homogeneous mixture of solutes dissolved in solvents
60
what is a solute
what is dissolved
61
what is a solvent
what the solute is dissolved in
62
what is a concentration
how strong a solution is
63
what is a concentration measured in
Molarity

chemistry (9 decks)

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