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(Solved): Calculate E cell and indicate whether the overall reaction shown is spontaneous or nonspontaneou ...
Calculate
E
∘
cell and indicate whether the overall reaction shown is spontaneous or nonspontaneous.
H
2
O
2
(
a
q
)
+
2
H
+
(
a
q
)
+
2
e
−
↔
2
H
2
O
(
l
)
E
∘
=
1.77
V
Fe
3
+
(
a
q
)
+
e
−
↔
Fe
2
+
(
a
q
)
E
∘
=
0.77
V
Overall reaction:
2
Fe
3
+
(
a
q
)
+
2
H
2
O
(
l
)
→
H
2
O
2
(
a
q
)
+
2
H
+
(
a
q
)
+
2
Fe
2
+
(
a
q
)
E
∘
cell
=
−
1.00
V
,
nonspontaneous
E
cell
∘
=
−
1.00
V
, spontaneous
E
cell
∘
=
1.00
V
,
nonspontaneous
E
cell
∘
=
1.00
V
, spontaneous
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