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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
Q

how do non-electrolytes disassociate

A

they do not ionize

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26
Q

what type of compounds do non electrolytes have

A

covalent compounds

27
Q

what type of conductivity do non electrolytes have

A

they do not conduct

28
Q

how many strong acids are there

A

five

29
Q

what are the five strong acids

A

hydrochloric acid, HCl
hydrobromic acid, HBr
hydroiodic acid, HI
nitric acid, HNO3
sulfuric acid, H2 SO4

30
Q

what is HCI

A

hydrochloric acid, strong acid

31
Q

what is HBr

A

hydrobromic acid, strong acid

32
Q

what is HI

A

hydroiodic acid, strong acid

33
Q

what is HNO3

A

nitric acid, strong acid

34
Q

what is H2 SO4

A

sulfuric acid, strong acid

35
Q

what is sulfuric acid

A

H2 SO4

36
Q

what is hyrdobromic acid

A

HBr

37
Q

what is hydroiodic acid

A

HI

38
Q

what is hydrochloirc acid

A

HCI

39
Q

what is nitric acid

A

HNO3

40
Q

what are weak acids

A

any acids that start with H other than the 5 strong acids

41
Q

what are the strong bases

A

contain hydroxide (OH -1 )
sodium hydroxide, NaOH
potassium hydroxide, KOH

42
Q

what makes a base strong

A

it contains hydroxide, OH -1

43
Q

what is sodium hydroxide

A

NaOH, strong base

44
Q

what is potassium hydroxide

A

KOH, strong base

45
Q

what are weak bases

A

a hodgepodge of things other than hydroxide

46
Q

how do you name an acid with no oxygen

A

hyrdo-name of anion- ic acid

47
Q

how do you name an acid with oxygen that ends in ate

A

remove ate, add ic acid

48
Q

how do you name an acid with oxygen that ends in ite

A

remove ite, add ous acid

49
Q

how do you change acid from its name to its formula

A

you identify the anion from the name, then switch the charges with H+

50
Q

what is PH

A

the presence of hydronium ions (H30+)

51
Q

what is the formula to find pH

A

-log [H+]

52
Q

what is pOH

A

presence of hydroxide ions (OH-)

53
Q

what is the formula to find pOH

A

-log [OH-]

54
Q

ph + pOH always equals what

A

14

55
Q

what is nuteralization

A

strong acid reacts with a strong base to form a salt and water (neutral solution)

56
Q

what is the general form for neutralization

A

HX + MOH -> H20 + MX

57
Q

what is titration

A

process that measures H+ and OH-

58
Q

what is the equivalence point

A

where the amount of H+ equals OH-

59
Q

what is a solution

A

homogeneous mixture of solutes dissolved in solvents

60
Q

what is a solute

A

what is dissolved

61
Q

what is a solvent

A

what the solute is dissolved in

62
Q

what is a concentration

A

how strong a solution is

63
Q

what is a concentration measured in

A

Molarity

chemistry (9 decks)

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