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Summary Graad 10 Fisiese Wetenskappe (FW) Kwartaal 3 Opsommings (Via Afrika) R150,00   Add to cart

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Summary Graad 10 Fisiese Wetenskappe (FW) Kwartaal 3 Opsommings (Via Afrika)

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Graad 10 Fisiese Wetenskappe Kwartaal 3 opsommings: Die opsommings is saamgestel deur die Via Afrika handboek se werk te som. Opsommings is in Afrikaans met aanvullende en skriftelike notas wat deur die opsteller (eksterne party) saam gestel is. Onderwerp 1: Chemiese verandering. Onderwerp 2...

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  • August 16, 2024
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Neerslagreaksies:
Ione in Wateroplossing:
• Neerslag = vaste stof wat in ‘n
• Ione = elemente wat elektrone verloor of bygekry ioonuitruilreaksie vorm.
het. • Oplosbaarheid van ioonstowwe:
• Negatiewe ione = anione. Berei ‘n sout voor deur ‘n
• Positiewe ione = katione.
• Ioniese kristalrooster word gevorm wanneer ione
neerslagreaksie te gebruik:
saambind om ‘n vaste stof te vorm. • Soute word uit positiewe en negatiewe ione
• Wateroplossing = oplossing waarin die oplosmiddel opgebou.
water is. • Soute wat behandel gaan word, sal gemaak
• Dissolusie vind plaas wanneer ‘n ioniese vaste stof word van ‘n metaalioon of ammoniumioon
in water geplaas word:


Sample
(NH4+) met:
- Die ioniese verbinding breek in positiewe en - Cl-, Br-, I- (chloried, bromied or jodienione).
negatiewe ione. E1: Reaksies in - SO42- (sulfaatione).
- Ione word gehidrateer. Wateroplossing - NO3 - (nitraatione).
• Watermolekules is polêre molekules - - CO32- (karbonaatione).
waterstofatome is effens positief gelaai, en (A)


Summaries after sample
suurstofione is effens negatief gelaai.
• Wanneer ione in kontak met water kom, omring die
waterstofkant van die watermolekules die Elektroliete & Geleidingsvermoë:
negatiewe ione – daar is ‘n aantrekking tussen die
ione en watermolekules. • Elektroliet = oplossing wat elektrisiteit gelei.
• Positiewe ione word omring as gevolg van • Elektrisiteit word gelei deur die beweging van ione in verskillende
aantrekking tussen die ioon en suurstof - verhoed rigtings.
dat ione kombineer en so bly hulle in die oplossing. • Anione word na die positiewe elektrode aangetrek (anode).
• Dissolusieproses kan getoon word met ‘n • Katione word na die negatiewe elektrode aangetrek (katode).
gebalanseerde reaksievergelyking en die • Meer opgeloste ione veroorsaak groter stroom en hoër
toestandsimbole (s) en (aq). ammeterlesings.
• As 2 verskillende ioniese oplossings gemeng word, • Slegs ioniese oplossings sal elektrisiteit gelei.
kan ione van een verbinding van plek verander met • Vaste ioniese stowwe hou ione styf in die kristalrooster vas –
‘n ioon van die ander verbinding – chemiese verhoed stroomvloei.
reaksie. • By die positiewe elektrode - negatiewe ione gee elektrone af en
vorm neutrale stowwe.
• By die negatiewe elektrode - positiewe ione aanvaar elektrone en
vorm neutrale stowwe.

GR10 FW K3-O1 Breinkaart Via Afrika Kopiereg © www.summariessa.co.za (DO NOT COPY)

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