Chemiese verandering : Sure en basisse Flashcards

1
Q

Suur-basisindikator

A

‘n Kleurstof wat gebruik word om tussen suur- en basiese oplossings te onderskei deur middel van die kleurverandering wat dit ondergaan in hierdie oplossings.

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2
Q

Amfiprotiese stof / Amfoliet

A

‘n Stof wat as ‘n suur of ‘n basis kan optree in ‘n reaksie

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3
Q

Arrheiusteorie

A

‘n Suur is ‘n stof wat waterstofione of hidroniumione vorm wanneer dit in water oplos.
‘n Basis is ‘n stof wat hidroksiedione vorm wanneer dit in water oplos/

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4
Q

Self-ionisasie van water

A

‘n Reaksie waarin water met homself reageer om ione (hidroniumione en hidroksiedione) te vorm.

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5
Q

Gekonsentreede suur/basis

A

Bevat ‘n groot aantal mol suur/basis in verhouding tot die volume water.

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6
Q

Diprotiese suur

A

‘n Suur wat 2 protone kan skenk (bv. swaelsuur)

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7
Q

Dissosiasie

A

Die proses waardeur ioniese verbindings in ione opbreek.

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8
Q

Eindpunt

A

DIe punt in ‘n titrasie waar ‘n indikator van kleur verander.

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9
Q

Ekwivalentpunt

A

Die punt in reaksie waar ekwivalente hoeveelhede suur en basis volledig gereageer het.

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10
Q

Hidrolise

A

Die reaksie van ‘n sout met water.

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11
Q

Ionisasie

A

Die proses waarin ionde gedurende ‘n chemiese reaksie gevorm word.

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12
Q

Ka-waarde

A

Die ionisasie-konstante vir ‘n suur

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13
Q

Kb-waarde

A

Dissosiasie- of ionisasie-konstante vir ‘n basis

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14
Q

Lowry-Bronsted teorie

A

‘n Suur is ‘n protonskenker

‘n Basis is ‘n proton-ontvanger

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15
Q

Monoprotiese suur

A

‘n Suur wat een proton kan skenk bv HCl

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16
Q

Neutralisasie

A

Die reaksie van ‘n suur met ‘n basis om ‘n sout en ‘n water te vorm.

17
Q

Standaardoplossing

A

Die oplossing waarvan die konsentrasie presies bekend is.

18
Q

Sterk basis

A

Dissosieer volledig in water om ‘n hoë konsentrasie hidroksied-ione te vorm.

19
Q

Sterk suur

A

Ioniseer volledig in water om ‘n hoë konsentrasie hidronium-ione te vorm.