20 Flashcards
1
Q
What is in a voltaic cell?
A
Anode and cathode
2
Q
Anode
A
Oxidation occurs here
3
Q
Cathode
A
Reduction occurs here
4
Q
Oxidation
A
When the oxidation number increases
5
Q
Reduction
A
Is when the oxidation number reduces
6
Q
How is the energy in a voltaic cell produced?
A
The energy produced in a voltaic cell is caused by the potential energy difference between the anode and the cathode
7
Q
What is cell EMF
A
Ecell
8
Q
What is e cell measured in?
A
Volts
9
Q
How was the Ecell be spontaneous
A
It has to be positive
10
Q
E°cell=
A
E°ox+E°red
11
Q
Delta G=
A
-nFE°cell
12
Q
What is F
A
Faradays constant
96485
13
Q
At equilibrium E=0 so
E°=
A
(.0592/n)*log(k)
14
Q
Na+ + e- -> Na
How many moles of e-
A
1 mole
15
Q
Coulombs=
A
Amperes (A)*(t) time in seconds
16
Q
After coulombs is solved for what are the steps to get to grams
A
Current->coulombs->mol e- -> mol metal-> g metal
