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Chemie > Sure en basisse > Flashcards

Sure en basisse Flashcards

1
Q

Suur volgens Arrhenius model

A

‘n Suur is ‘n stof wat waterstofione vorm wanneer dit in water oplos

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2
Q

Basis volgens Arrhenius model

A

‘n Basis is ‘n stof wat hidroksiedione vorm wanneer dit in water oplos

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3
Q

Tekortkominge van die Arrhenius model

A

Beperk tot wateroplossings
‘n Waterstofioon kan nie op sy eie in ‘n wateroplossing bestaan nie
Ammoniaak is ‘n basis maar het nie ‘n hidroksiedioon nie
Nie alle basisse los op in water nie

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4
Q

Suur volgens Bronsted-Lowry model

A

‘n Suur is ‘n protonskenker

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5
Q

Basis volgens bronsted-Lowry model

A

‘n Basis is ‘n protonontvanger

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6
Q

Gekpnjugeerde basis

A

Die ioon of molekule wat oorbly as die suur ‘n proton geskenk het

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7
Q

gekonjugeerde suur

A

Die ioon of molekule wat oorbly as die basis ‘n proton opneem

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8
Q

Protolise

A

Die suur-basis reaksie waarby proton oordrag plaasvind

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9
Q

Amfoliet/Amfiprotiese stof

A

‘n Stof wat beide as ‘n suur of basis kan optree

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10
Q

Vb van amfoliete

A

Water
HSO4
HCO3
H2PO4

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11
Q

Sterk suur

A

‘n Suur wat volledig in water ioniseer en vorm ‘n hoe konsentrasue H3O ione in oplossing

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12
Q

Sterk sure

A

HCL
H2SO4
HNO3

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13
Q

Swak suur

A

‘n Suur wat onvolledig in water ioniseer en vorm ‘n lae konsentrasie H3O-ione in oplossing

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14
Q

Sterk basis

A

‘n Basis wat volledig in water dissosieer en vorm ‘n hoe konsentrasie OH ione in oplossing

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15
Q

Sterk basisse

A

NaOH

CA(OH)2

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16
Q

Swak basis

A

‘n Basis wat onvolledig in water dissosieer en vorm ‘n lae konsentrasie OH-ione in oplossingg

17
Q

Swak basis

A

NH3

18
Q

Reaksie van sure en metaalhidroksiede

A

suur + metaalhidroksied = sout + water

19
Q

Reaksie van sure en metaaloksiede

A

suur + metaaloksied = sout + water

20
Q

Reaksie van sure en metaalkarbonate

A

suur + metaalkarbonaat = sout + water + koolstofdioksied

21
Q

Reaksie van sure en waterstofkarbonate

A

suur + waterstofkarbonaat = suur + water + koolstofdioksied

22
Q

Reaksie van sure en metale

A

suur + metaal = sout + waterstof

23
Q

Neutralisasiereaksie

A

Die reaksie wat plaasvind waar net die regte hoeveelheid van ‘n suuroplossing en basis oplossing gemeng word om ‘n sout en water te vorm

24
Q

Hidrolise

A

Reaksie van ‘n sout met water

25
Q

Ekwivalente punt van titrasie

A

Die punt waar die suur/basis volledig met die basis/suur gereageer het.

26
Q

Eindpunt van titrasie

A

Die punt waar die indikator van kleur verander

27
Q

Kw

A

Die ewewigskonstante vir die ionisasie van water

28
Q

Outo-ionisasie

A

Die reaksie van water met water self om H30+ en OH- ione te vorm.

Chemie (11 decks)

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