For the following half-reactions, answer the questions below. Co 3 + ( a q ) + e − → Co 2 + ( a q ) E ° = + 1.953 V Fe 3 + ( a q ) + e − → Fe 2 + ( a q ) E ° = + 0.769 V I 2 ( a q ) + 2 e − → 2 I − ( a q ) E ° = + 0.534 V Pb 2 + ( a q ) + 2 e − → Pb ( s ) E ° = − 0.127 V Cd 2 + ( a q ) + 2 e − → Cd ( s ) E ° = − 0.402 V Mn 2 + ( a q ) + 2 e − → Mn ( s ) E ° = − 1.182 V (a) Which is the weakest reducing agent? (b) Which is the strongest reducing agent? (c) Which is the strongest oxidizing agent? (d) Which is the weakest oxidizing agent? (e) Will Pb( s ) reduce Fe 3 + ( aq ) to Fe 2 + ( aq )? (f) Will I - ( aq ) reduce Pb 2 + ( aq ) to Pb( s )? (g) Which ion(s) can be reduced by Pb( s )? (h) Which if any metal(s) can be oxidized by Fe 3 + ( aq )?
For the following half-reactions, answer the questions below. Co 3 + ( a q ) + e − → Co 2 + ( a q ) E ° = + 1.953 V Fe 3 + ( a q ) + e − → Fe 2 + ( a q ) E ° = + 0.769 V I 2 ( a q ) + 2 e − → 2 I − ( a q ) E ° = + 0.534 V Pb 2 + ( a q ) + 2 e − → Pb ( s ) E ° = − 0.127 V Cd 2 + ( a q ) + 2 e − → Cd ( s ) E ° = − 0.402 V Mn 2 + ( a q ) + 2 e − → Mn ( s ) E ° = − 1.182 V (a) Which is the weakest reducing agent? (b) Which is the strongest reducing agent? (c) Which is the strongest oxidizing agent? (d) Which is the weakest oxidizing agent? (e) Will Pb( s ) reduce Fe 3 + ( aq ) to Fe 2 + ( aq )? (f) Will I - ( aq ) reduce Pb 2 + ( aq ) to Pb( s )? (g) Which ion(s) can be reduced by Pb( s )? (h) Which if any metal(s) can be oxidized by Fe 3 + ( aq )?
Solution Summary: The author explains the weakest reducing agent and the strongest oxidizing agent needed to be identified.
For the following half-reactions, answer the questions below.
Co
3
+
(
a
q
)
+
e
−
→
Co
2
+
(
a
q
)
E
°
=
+
1.953
V
Fe
3
+
(
a
q
)
+
e
−
→
Fe
2
+
(
a
q
)
E
°
=
+
0.769
V
I
2
(
a
q
)
+
2
e
−
→
2
I
−
(
a
q
)
E
°
=
+
0.534
V
Pb
2
+
(
a
q
)
+
2
e
−
→
Pb
(
s
)
E
°
=
−
0.127
V
Cd
2
+
(
a
q
)
+
2
e
−
→
Cd
(
s
)
E
°
=
−
0.402
V
Mn
2
+
(
a
q
)
+
2
e
−
→
Mn
(
s
)
E
°
=
−
1.182
V
(a) Which is the weakest reducing agent? (b) Which is the strongest reducing agent? (c) Which is the strongest oxidizing agent? (d) Which is the weakest oxidizing agent? (e) Will Pb(s) reduce Fe3+(aq) to Fe2+(aq)? (f) Will I-(aq) reduce Pb2+(aq) to Pb(s)? (g) Which ion(s) can be reduced by Pb(s)? (h) Which if any metal(s) can be oxidized by Fe3+(aq)?
In the phase diagram of steel (two components Fe and C), region A is the gamma austenite solid and region B contains the gamma solid and liquid. Indicate the degrees of freedom that the fields A and B have,
For a condensed binary system in equilibrium at constant pressure, indicate the maximum number of phases that can exist.
Chapter 17 Solutions
OWLv2 for Masterton/Hurley's Chemistry: Principles and Reactions, 8th Edition, [Instant Access], 1 term (6 months)
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell