Spontaneous Reactions & EMF - Redox (5.7) Flashcards
1
Q
What makes redox reactions spontaneous?
A
If the same species is being reduced in each case.
2
Q
What can electrochemical cells be joined up to make?
A
Batteries
3
Q
What is the electromotive force?
A
A potential difference that gives rise to an electric current.
4
Q
How is the potential difference calculated?
A
The electrode potential at the cathode (reduction) - the electrode potential electrode potential at the anode (oxidation).
5
Q
Six cells in series make up what battery?
A
12V battery.
