Practice Test

Section

II

Free-Response Questions

Oxidation-Reduction and Electrochemistry

Q ab cd
AB

CD

abwhere A B C D

cd

=++"

66

66

@@

@@

I t
q

E E ln. log
n

RT QE

F n QCat

cell 0 0592 25

=-cell%%=-cell %

logK.
nE
=0 0592

%

I= current (amperes)

Q= charge (coulombs)

t= time (seconds)

E°= standard potential

K= equilibrium constant

1 Faraday (F)= 96,500 coulombs/mole