Summary
Summary Topic 11 - Electrode Potentials
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A summary of topic 11 from AQA A Level Chemistry Specification
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, electrodespotentials
} Reducing agent
cell
halfsolution oxidised
0 is
for ☐
simple
0
001L Oxidising
RIG agent is reduced
oflalf cells connected by salt
bridge
allows to
39%+4%9%4
-
ions move
I 21-1++2 e- F
-
Hug, bulb
zn→zn"*2é
-2¥
porous
,m , pot
sine Cu → Ccitt
zinc
sulphate
}::÷::e
copper
sulphat
In + Wtf 2h21 the
-
copper
Daniele are
electrode
.
E- value how
reading
--
±m
its electrons gives
up
TWO HALF CELLS
.
MORE NEGATIVE HALF
JOINS TOGETHER ⇐"
stronger weaker
•
TO FORM A CELLS
•
reducing oxidising Znlzn" -0.7614
agents agents Cu / Cult +0.34cm
-
+
Cell Potenial Factors
ooov
I -66 0-34 Cubitt
µE
0
Temperature
emf =
200
0 Pressure of
any gas
☐ Solution concentration
hmmm
e-
STANDARD HYDROGEN E- =E• -
E°-
ELECTRODE Ea=ooov
cell
night left
298K IMH
't sinful corker
e.
g. HCl
ZT.EE/.lCuY.1Cu.#
( always
)
hydrogen gas
1 100hPa
Platinum
on
left
side
statuary
d (> salt
bride
electrode
y
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