Flashcards in Electrochemistry Deck (35):
What does q stand for?
What does T stand for?
In what unit is current measured in?
In what unit is charge measure in?
In what unit is time measured?
What is Faradays constant?
96,500 coulombs/mol of electrons
A device that transfers electrons from one reactant to another through a pathway
Galvanic cells are always ___________. (delta G
Where oxidation occurs
Where reduction occurs
U shaped tube containing a solution of gel with soluble ions
What is the function of the salt bridge?
Keeps solutions in have cells neutral
The amount of charge that passes through the cross sectional area of a medium per second
Electric current (I)
The __________ the voltage the greater the distance between anode and cathode
The difference in potential energy between anode and cathode
A _________ voltage is thermodynamically favored
Metals with more positive reduction potentials are easily ___________
Metals with more negative reduction potentials are easily ___________
The species with the most positive, least negative reduction potential will be __________
The overall difference in PE charge between the anode and the cathode
The standard cell potential
A ______________ standard cell potential means that the reaction is thermodynamically favored
Cell notation goes from ________ to _________
In what direction do electrons flow?
Anode to cathode
What would be the voltage of a galvanic cell without a salt bridge?
Solid metals are not easily _________
If the Ecell value is greater than zero, the reaction is __________________ favored
If the Ecell value is less than zero, than the reaction is ________________ favored
Not thermodynamically favored
If if delta G is negative than the reaction is ________________ favored
If delta G is positive than the reaction is ___________________ favored
Electrolytic cells are non ______________
In electrolytic cells the species with the most _____________ reduction potential is reduced
Electrolytic reactions are always _____________________
Non thermodynamically favored