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16 questions
An electrolytic cell involves a _________________ chemical reaction.
Spontaneous exothermic
Non-spontaneous exothermic
Spontaneous endothermic
Non-spontaneous endothermic
An galvanic cell involves a _________________ chemical reaction.
Spontaneous exothermic
Non-spontaneous exothermic
Spontaneous endothermic
Non-spontaneous endothermic
The energy transformation in galvanic cells is...
Chemical into electrical energy
Electrical into chemical energy
The energy transformation in electrolytic cells is...
Chemical into electrical energy
Electrical into chemical energy
When a secondary cell discharges it acts as a...
Electrolytic cell
Galvanic cell
When a secondary cell recharges it acts as a...
Electrolytic cell
Galvanic cell
Which electrode is the site of oxidation when discharging?
Lead (Pb)
Lead oxide (PbO2)
Which electrode is the site of reduction when discharging?
Lead (Pb)
Lead oxide (PbO2)
Which electrode is the site of reduction when recharging?
Lead (Pb)
Lead oxide (PbO2)
Which electrode is the site of oxidation when recharging?
Lead (Pb)
Lead oxide (PbO2)
Up the top of the image is the chemical reaction when the secondary battery discharges. Which image shows a dead battery (no more electrical energy can be produced)?
A
B
Up the top of the image is the chemical reaction when the secondary battery discharges. Which image shows a fully recharged battery?
A
B
Up the top of the image is the chemical reaction when the secondary battery discharges. Which image would have a higher concentration of H+ in solution?
A
B
Up the top of the image is the chemical reaction when the secondary battery discharges. Which image would have a higher pH in solution?
A
B
Which is the electrode in the site for the for the half equation shown in the image.
Positive
Negative
Which is the electrode in the site for the for the half equation shown in the image.
Positive
Negative
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