What is the standard emf of a galvanic cell made of a Pb electrode in a 1.0 M Pb(NO3)2 solution and a Al electrode in a 1.0 M Al(NO3)3 solution at 25
What is the standard emf of a galvanic cell made of a Pb electrode in a 1.0 M Pb(NO3)2 solution and a Al electrode in a 1.0 M Al(NO3)3 solution at 25
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
What is the standard emf of a galvanic cell made of a Pb electrode in a
1.0 M Pb(NO3)2
solution and a Al electrode in a
1.0 M Al(NO3)3
solution at 25
°
C?
E
o
|
cell
|
=
V
![Standard Reduction Pôtentials at 25°C
Half-Reaction
EV)
► 2F°(aq)
F(g) + 2e¯
0,(g) + 2H*(aq) + 2e¯
Co*(ag) + e →
H,O,(aq) + 2H*(aq) + 2e¯ → 2H;O
Cu* (aq) + 2e → Cu(s)
AgCI(3) + e -→ Ag(s) + CI"(aq)
so, (aq) + 4H*(aq) + 2e¯ → SO-(g) + 2H¿0
Cu*(aq) + e →
Sn*(aq) + 2e
2H*(aq) + 2e¯
Ph*(aq) + 2e™
Sn*(aq) + 2e¯
Ni*(aq) + 2e¯
Co*(aq) + 2e¯
PbSO,(s) + 2e™
Cd*(aq) + 2e¯
Fe* (aq) + 2e¯
Cr*(aq) + 3e¯
Zn*(aq) + 2e¯
2H;0 + 2e¯
Mn*(aq) + 2e™
Al*(aq) + 3e¯
Be+taa) + 2e Bes)
+2.87
-
0,(g) + H;0
+2.07
Co*(aq)
+1.82
+1.77
+0.34
+0.22
+0.20
Cu*(aq)
Sn*(aq)
H,(g)
+0.15
+0.13
>
0.00
Pb(s)
-0.13
Sn(s)
-0.14
-
Ni(s)
-0.25
-
Co(s)
-0.28
Pb(s) + SO; (aq)
-0.31
Cd(s)
-0.40
Fe(s)
-0.44
-
Cris)
-0.74
Zn(s)
H;(g) + 20H¯(aq)
- Mn(s)
Al(s)
-0.76
-0.83
-1.18
-1.66
-1.85](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffef84e59-b776-428f-8b5b-5745d06f71ad%2F66ce4081-cb1f-4f36-aff2-9af1d518fc08%2Fmeuuu0l_processed.png&w=3840&q=75)
Transcribed Image Text:Standard Reduction Pôtentials at 25°C
Half-Reaction
EV)
► 2F°(aq)
F(g) + 2e¯
0,(g) + 2H*(aq) + 2e¯
Co*(ag) + e →
H,O,(aq) + 2H*(aq) + 2e¯ → 2H;O
Cu* (aq) + 2e → Cu(s)
AgCI(3) + e -→ Ag(s) + CI"(aq)
so, (aq) + 4H*(aq) + 2e¯ → SO-(g) + 2H¿0
Cu*(aq) + e →
Sn*(aq) + 2e
2H*(aq) + 2e¯
Ph*(aq) + 2e™
Sn*(aq) + 2e¯
Ni*(aq) + 2e¯
Co*(aq) + 2e¯
PbSO,(s) + 2e™
Cd*(aq) + 2e¯
Fe* (aq) + 2e¯
Cr*(aq) + 3e¯
Zn*(aq) + 2e¯
2H;0 + 2e¯
Mn*(aq) + 2e™
Al*(aq) + 3e¯
Be+taa) + 2e Bes)
+2.87
-
0,(g) + H;0
+2.07
Co*(aq)
+1.82
+1.77
+0.34
+0.22
+0.20
Cu*(aq)
Sn*(aq)
H,(g)
+0.15
+0.13
>
0.00
Pb(s)
-0.13
Sn(s)
-0.14
-
Ni(s)
-0.25
-
Co(s)
-0.28
Pb(s) + SO; (aq)
-0.31
Cd(s)
-0.40
Fe(s)
-0.44
-
Cris)
-0.74
Zn(s)
H;(g) + 20H¯(aq)
- Mn(s)
Al(s)
-0.76
-0.83
-1.18
-1.66
-1.85
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