StandardConditions:
oncentration
C - .0moldm3 (ifgasesinvolvedinhalfequation)(H+)
1
Temperature - 298K
Pressure - 100kPa(ifgasesinvolvedinhalfequation)
Current - 0(usehighresistancevoltmeter)
Platinumusedasitisinert+aconductor
, Emf=E(reduced)-E(oxidised)
Themore+veelectrodegainselectrons(+chargeattractselectrons)
egativeelectrode =cathode =
N oxidation
Positiveelectrode =anode =reduction
Morepositiveemfvalue=more
likelytogainelectrons
OPRoblem=
N
Morenegative=oxidised
Morepositive=reduced
ALTBRIDGE:ionsflow
S
throughit,completesthecircuit