Learners are provided with the following apparatus and a solution to set up an electrochemical cell - NSC Technical Sciences - Question 5 - 2023 - Paper 2
Question 5
Learners are provided with the following apparatus and a solution to set up an electrochemical cell.
1. Carbon rods
2. Beaker
3. Copper(II) chloride (aq)
4. Cell
5... show full transcript
Worked Solution & Example Answer:Learners are provided with the following apparatus and a solution to set up an electrochemical cell - NSC Technical Sciences - Question 5 - 2023 - Paper 2
Step 1
Wat ter TIPE elektrochemiese sel kan opgestel word deur AL die apparate hierbo en die oplossing te gebruik?
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Answer
Die tipe elektrochemiese sel wat opgestel kan word met die opgegeven apparate is 'n elektrolietiese sel. Hierdie sel gebruik die Koolstofstaf as elektrodes met die Koper(II)chloried oplossing as die elektroliet in die beker.
Step 2
Skryf TWEE komponente in die lys hierbo neer om die antwoord op VRAAG 5.1 te regverdig.
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Twee komponente van die sel sluit in:
Koolstofstaf (verkieslik een as die anode en een as die katode).
Beaker wat die oplosmiddel bevat.
Step 3
Wat EEN van die elektrodes sal die ANODE wees? Skryf slegs neer ELEKTRODE GEKOPPEL AAN POSITIEWE TERMINAAL.
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Die elektrode gekoppel aan die positiewe terminal is die anode.
Step 4
Skryf die halfreaksie neer van die katode proses.
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Die halfreaksie wat by die katode plaasvind, is:
ightarrow ext{Cu}(s)$$
Step 5
Noem DRIE vorme van ENERGIE wat gebruik kan word om hierdie tipe sel aan te dryf.
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Drie vorme van energie wat gebruik kan word, sluit in:
