Ca²+ (aq) + 2e → Ca(s) OA.0.21 V OB. -0.47 V OC -0.21 V OD.0.47 V OE. 0.42 V A Moving to another question will save this response.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section: Chapter Questions
Problem 48QRT: Consider a voltaic cell with the reaction H2(g) + Sn4+(aq) 2 H+(aq) + Sn2+(aq) operating at 298 K....
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Na+ (aq) + e → Na(s)
Ca²+ (aq) + 2e → Ca(s)
OA.0.21 V
OB.-0.47 V
OC -0.21 V
OD.0.47 V
OE. 0.42 V
A Moving to another question will save this response.
-2.71
-2.87
Transcribed Image Text:Na+ (aq) + e → Na(s) Ca²+ (aq) + 2e → Ca(s) OA.0.21 V OB.-0.47 V OC -0.21 V OD.0.47 V OE. 0.42 V A Moving to another question will save this response. -2.71 -2.87
esc
17/"
A cell can be prepared from copper and tin. What is the Eºcell for the galvanic cell that forms from the following half-reactions?
Cu2+ (aq) + 2e
Cu(s)
Sn4+ (aq) + 2e → Sn²+ (aq)
Reduction half reaction
Eºred (V)
+0.53
1₂(s) + 2e →
21- (aq)
Cu²+ (aq) + 2e-
→
Cu(s)
+0.34
A
Cu²+ (aq) + e-
Cu+ (aq)
+0.15
Sn4+ (aq) + 2e-
→ Sn²+ (aq)
+0.13
Pb2+ (aq) + 2e
→ Pb(s)
-0.13
Ni2+ (aq) + 2e
→ Ni (s)
-0.25
Co2+ (aq) + 2e
→ Co(s)
-0.28
-0.40
Cd²+ (aq) + 2e¯ → Cd(s)
-0.44
Fe2+ (aq) + 2e - → Fe(s)
-0.74
Cr3+ (aq) + 3e¯ → Cr(s)
-0.76
Zn²+ (aq) + 2e → Zn(s)
-1.66
-2.37
Al³+ (aq) + 3e¯ → Al(s)
Mg2+ (aq) + 2e → Mg(s)
Na+ (aq) + e → Na(s)
-2.71
f5
f3 C
f4 101
@
%
f6 CD
17
f8
&
7
19
*
8
(8)
f10 63
(
9
9
11
F12
\/\
Transcribed Image Text:esc 17/" A cell can be prepared from copper and tin. What is the Eºcell for the galvanic cell that forms from the following half-reactions? Cu2+ (aq) + 2e Cu(s) Sn4+ (aq) + 2e → Sn²+ (aq) Reduction half reaction Eºred (V) +0.53 1₂(s) + 2e → 21- (aq) Cu²+ (aq) + 2e- → Cu(s) +0.34 A Cu²+ (aq) + e- Cu+ (aq) +0.15 Sn4+ (aq) + 2e- → Sn²+ (aq) +0.13 Pb2+ (aq) + 2e → Pb(s) -0.13 Ni2+ (aq) + 2e → Ni (s) -0.25 Co2+ (aq) + 2e → Co(s) -0.28 -0.40 Cd²+ (aq) + 2e¯ → Cd(s) -0.44 Fe2+ (aq) + 2e - → Fe(s) -0.74 Cr3+ (aq) + 3e¯ → Cr(s) -0.76 Zn²+ (aq) + 2e → Zn(s) -1.66 -2.37 Al³+ (aq) + 3e¯ → Al(s) Mg2+ (aq) + 2e → Mg(s) Na+ (aq) + e → Na(s) -2.71 f5 f3 C f4 101 @ % f6 CD 17 f8 & 7 19 * 8 (8) f10 63 ( 9 9 11 F12 \/\
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