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year 12 chem > ph > Flashcards

ph Flashcards

1
Q

when is a solution a acid?

A

when ph is less then 7

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2
Q

when is a solution a natural?

A

when ph is 7

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3
Q

when is a solution a base?

A

when ph is grater then 7

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4
Q

how do you convert concertation to ph?

A

PH= -log10(concertation)

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5
Q

how do you calculate total dispersion?

A

Kw=Ka + Kb

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6
Q

what does Kw mean?

A

the total dissociates

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7
Q

what is the value of kw?

A

1x10^-14

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8
Q

does acid give or take proton ?

A

acid gives protons

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9
Q

does base give or take proton ?

A

basses take proton

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10
Q

what is polyprotic?

A

can donate more than one hydrogen ion

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11
Q

what is monoprotic?

A

can donate one hydrogen ion

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12
Q

what happens when an acid dissolves in water?

A

donates a hydrogen

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13
Q

what does water contain?

A

small but amount of equal H3O+ and OH-

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14
Q

what does dissociates mean?

A

split into separate smaller atoms, ions, or molecules

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15
Q

what do diprotic acid do in water?

A

dissolves

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16
Q

what happens to the acidity when a solution dissociates?

A

the weaker it gets

17
Q

what does stronger mean?

A

the strength of the acid

18
Q

is HCl a strong or weak acid?

A

strong

19
Q

is acetic a strong or weak acid?

A

weak

20
Q

what does contracted mean?

A

more particles in the solution

21
Q

what does dilute mean?

A

less particles in a solution

22
Q

does more dissociation mean it is stronger or weaker?

A

stronger

23
Q

what type if acids partially dissociate?

A

weak acid

24
Q

which acids completely dissociate?

A

strong acid

25
Q

what is the most conductive acid or base?

A

strong acid or base

26
Q

how can you determine if it is a acid?

A

[H+]>[OH-]

27
Q

how can you determine if it is a base?

A

[OH-]>[H+]

year 12 chem (4 decks)

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