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Definieer die term elektrolitiese sel - NSC Physical Sciences - Question 9 - 2023 - Paper 2

Question 9

Definieer die term elektrolitiese sel. Watter elektrode (R of METAALVEER) is die ANODE? Gee 'n rede vir die antwoord. Skryf neer: 9.1 Vergelyking vir die halfreaks... show full transcript

Worked Solution & Example Answer:Definieer die term elektrolitiese sel - NSC Physical Sciences - Question 9 - 2023 - Paper 2

Step 1

Definieer die term elektrolitiese sel.

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Answer

A cell in which electrical energy is converted into chemical energy. This occurs during the process of electrolysis, where an electrolyte solution facilitates the movement of ions and the conversion of electrical energy into chemical reactions.

Step 2

Watter elektrode (R of METAALVEER) is die ANODE? Gee 'n rede vir die antwoord.

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Answer

Die elektrodes in hierdie sel is 'n sinkelektrode wat as die ANODE dien. Dit is omdat die sinkelektrode (R) verloor elektrone tydens die oksidasie-proses, wat tipies in 'n galvaniese sel die anode is.

Step 3

Skryf neer:

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Answer

9.1 Vergelyking vir die halfreaksie wat by die metaalplaat plaasvind:

Zn(s) → Zn²⁺(aq) + 2e⁻

9.2 NAAM of FORMULE vir 'n geskgikte metaal as elektrode R:

Sink (Zn) is geskik as elektrode.

9.4 Verduidelik die antwoord op VRAAG 9.3.2:

Zn²⁺-ione word verminder as gevolg van die oksidasie van die Zn-elektrode. As die Zn-elektrode oksideer, vind die volgende reaksie plaas, wat die konsentrasie van Zn²⁺-ione in oplossing verminder.

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