21 – Investigating Galvanic Cells (LC 2027) (Leaving Cert Chemistry): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
ShowHide
Practise the cards
12 cards from this deck
What energy conversion occurs in a galvanic cell?
What energy conversion occurs in a galvanic cell?
Chemical energy to electrical energy
What is another name for a galvanic cell?
What is another name for a galvanic cell?
Voltaic cell
Which electrode is the anode in a galvanic cell?
Which electrode is the anode in a galvanic cell?
Negative electrode where oxidation occurs
Which electrode is the cathode in a galvanic cell?
Which electrode is the cathode in a galvanic cell?
Positive electrode where reduction occurs
Memory aid for anode and cathode processes
Memory aid for anode and cathode processes
An Ox, Red Cat
Which metal becomes the anode?
Which metal becomes the anode?
The more reactive metal
Which metal becomes the cathode?
Which metal becomes the cathode?
The less reactive metal
Displacement reaction rule for metals
Displacement reaction rule for metals
More reactive metal displaces less reactive from solution
What is the function of the salt bridge in a galvanic cell?
What is the function of the salt bridge in a galvanic cell?
Maintains electrical neutrality and allows ion flow
What are common electrolytes used in salt bridges?
What are common electrolytes used in salt bridges?
or
What determines the voltage of a galvanic cell?
What determines the voltage of a galvanic cell?
Difference in metal reactivity
Effect of multiple cells in series on voltage
Effect of multiple cells in series on voltage
Higher total voltage
