Required Practical 8 (AQA A-Level Chemistry): Flashcards
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Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
Aim of Required Practical 8
Aim of Required Practical 8
Measure EMF of Zn-Cu cell & compare electrode potentials
Why clean metal strips in RP8?
Why clean metal strips in RP8?
Remove oxide layer
Volume of solution per half-cell
Volume of solution per half-cell
Salt bridge function
Salt bridge function
Allows ion movement between half-cells, completing circuit
Required property of salt bridge
Required property of salt bridge
Must be inert
Copper electrode terminal connection
Copper electrode terminal connection
Positive terminal
EMF depends on
EMF depends on
Difference in electrode potentials
Effect of larger potential difference
Effect of larger potential difference
Higher EMF
Copper sulfate safety hazard
Copper sulfate safety hazard
Irritant
Propanone safety hazard
Propanone safety hazard
Flammable