Electrochemistry
How are electrochemical cells made?
to
↳
also single half all
2 differentm etals dipped in salts olutions of their own ions. you can make one
involving a solut a
aqueous
ions
of the same element.
-- ↳cel
cell
Sawdenwae
half cell half
· zinc
This
loses
is
electrons
determined by
more
its
easily than copper
electrode potential (see below)
(more easily oxidised)
e
arabinet en
3
oxidised to
·
therefore, in the first half-cell, 2n(s) is
Int,ag)
and in the second half-cell, cnt(ag) is reduced to (u(s).
I and attende
↓ B Fest, or vice versa, happenon
Sin E m
trage Each
oneanternatureaerateene
ispokaneecanary,by
panor
the saw
on
·
Drawing electrochemical cells
·
always putthe half cell with the more
negative electrode
is it potential on the left in this case, the zine half cell.
-
Esplic manxidation
awasare
or
or
Traway
in
Electrode Potential vs Cell Potential
an
ele bagunderpositorcamerated
must
a
↓
eten Beta,aredefame whereatanother
Stone" made
r
grantareotation see below).
e
between2electrodeene
electrochemical
standard conditions used to potentials?
⑦
Why are measure electrode
shifted by changes in temp, pressure a cone. This means thatt h e cell potential would also change. Therefore, using standard
-> since half-cell reactions are reversible, the
equilibrium position is
conditions ensures
you gett h e same value each time and can: compare differentc ells.
How are electrochemical cells made?
to
↳
also single half all
2 differentm etals dipped in salts olutions of their own ions. you can make one
involving a solut a
aqueous
ions
of the same element.
-- ↳cel
cell
Sawdenwae
half cell half
· zinc
This
loses
is
electrons
determined by
more
its
easily than copper
electrode potential (see below)
(more easily oxidised)
e
arabinet en
3
oxidised to
·
therefore, in the first half-cell, 2n(s) is
Int,ag)
and in the second half-cell, cnt(ag) is reduced to (u(s).
I and attende
↓ B Fest, or vice versa, happenon
Sin E m
trage Each
oneanternatureaerateene
ispokaneecanary,by
panor
the saw
on
·
Drawing electrochemical cells
·
always putthe half cell with the more
negative electrode
is it potential on the left in this case, the zine half cell.
-
Esplic manxidation
awasare
or
or
Traway
in
Electrode Potential vs Cell Potential
an
ele bagunderpositorcamerated
must
a
↓
eten Beta,aredefame whereatanother
Stone" made
r
grantareotation see below).
e
between2electrodeene
electrochemical
standard conditions used to potentials?
⑦
Why are measure electrode
shifted by changes in temp, pressure a cone. This means thatt h e cell potential would also change. Therefore, using standard
-> since half-cell reactions are reversible, the
equilibrium position is
conditions ensures
you gett h e same value each time and can: compare differentc ells.
