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Chem 130 > 16 > Flashcards

16 Flashcards

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1
Q

common acid characteristics

A

sour taste dissolves metals turns linus paper red neutralizes bases

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2
Q

common base characteristics

A

bitter slippery turns red litmus blue and neutralizes acids

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3
Q

alkaline poison

A

base poison

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4
Q

litmus paper

A

changes color to reflect ph

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5
Q

arrhenius acid

A

forms h+ ion is sol

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6
Q

arrhenius base

A

forms oh in base

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7
Q

bronstead lowry base

A

receives proton

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8
Q

bro stead lowry acid

A

proton donor

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9
Q

are certain substances always acids or bases

A

no they usually vary equation to eqaution

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10
Q

conjugate base pair

A

acid and based conj
base and acid conj

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11
Q

strong acid/ base

A

completely ionized

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12
Q

weak acid/base

A

partially ionized

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13
Q

conj acid

A

base that loses proton

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14
Q

conj base

A

acid that gains electron

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15
Q

what must happen in formation of acid

A

acid must be the positive ion

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16
Q

binary acid

A

acid made of 2 substances

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17
Q

relationship between bond strength and acid strength

A

inversely proportional

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18
Q

oxyacids

A

hydrogen bonded to oxygen which is bonded to something else

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19
Q

how do you determine strength of oxyacids

A

the more electronegative the thing that isn’t o or h is the stronger the acid is
also how many oxygen

20
Q

mono di an tripotic acids

A

acid with 1 2 and 3 ionizable protons

21
Q

ionization constant

A

basically the the concentration of H3O

22
Q

meaning of amphoteric

A

substance can be acid or base

23
Q

autoionization

A

the process by which water acts as an acid and base with itself

24
Q

equilibrium constant

A

product of OH and H3O concentration

25
Q

what is OH * H3O

A

1*10^-14

26
Q

how to find pH and pOH

A

-log( oh or h3o)

27
Q

how to find H3o concentration with strong acids

A

H3O is same concentration as strong acid same thing for base

28
Q

percent ionization

A

concentration of ionized acid in solution divided by initial concentration of acid *100

29
Q

how to increase equil const for weak acid

A

increase initial concentration

30
Q

what happens when string and weak acid mix

A

weak acid is less effective because equation is trynna shift bsck

31
Q

what happens when 2 weak acids mix

A

if magnitude if the pH is really large it produces less h3o than it would normally

32
Q

what contributes to concentration in chem equation

A

autoionization of water and the acids

33
Q

what groups make strong bases

A

1a and 2 a but 2a barely soluible

34
Q

what is A and B symbol for

A

acid and base reapectfully

35
Q

what does it mean if anion for conj base is weak acid

A

then it is a weak base

36
Q

what does it mean if anion of conj base is strong acid

A

anion is neutral

37
Q

what are all anions

A

conj bases or acids

38
Q

anion that is conj base of strong acid is

A

ph neutral

39
Q

anion that is conj base for weak acid

A

weak base

40
Q

Ka * Kb = Kw and what is kw equal to

A

1.0*10^-14

41
Q

what are cations that are small highly charged ions

A

cation forms weakly acidic solutiin

42
Q

what are salts that don’t act as acid or base

A

ph neutral

43
Q

polyprotic acid

A

acid with more than one ionization proton

44
Q

what is the one polyprotic molecule that acts different

A

sulfuric acid and you must calc out the concentration of K2 and add it to k1

45
Q

why is k2 usuallly smaller than k1

A

k2 is breaking up anion bond while k1 just separates neutral particle

46
Q

what is weird about lewis definition of acid

A

it doesn’t have to have hydrogen

47
Q

what molecules serve as acids according to luis

A

incomplete octets

Chem 130 (20 decks)

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