At standard conditions, is the electrochemical reaction spontaneous? Anode: NO3- + 2H+ + e- --> NO2 + H2O Cathode: 2H+ + 2e- --> H2 Table 7.2 Standard potentials at 298 K. (a) In clectrechemical order Reduction half ceaction Reduction half reaction Strengly oxidiring Cu"+ Cu +16 +3.0 +0.15 Ag A r .07 0,+ 2H+ 0,+0 +2.0 0.00 +2.05 a by definition Ag+A Co Ce 10, + 2+ 2 210 0.04 .0 G13 In in Se+ Sn Au'+ Au 0.14 167 0.14 0.15 N NI Ca Ce In" In 0.23 -0.28 MnO; + Ma+ 4H,0 Mn Mn Au A -034 -0.34 1.40 PSO, + so 0.37 Go + 14 + be C" +7H,0 0, +HO+ 0, 20H 0,4 21,0 .40 1.24 In rle -0.40 1.23 123 -0.44 Mao,4 Ma"+ 21,0 r,+ 2 1.23 le+ In -0.44 1.09 S+ 0.48 0.97 In ln 6.49 NO, ++ NO 21,0 0.96 061 -0.74 CIO +HO+2 -d+20 +0.9 Za"+ Ze -0.76 40.6 NO, +2r NO, +HO 211,0+ 2 , + 20 683 0.10 -091 Mn+ 2eMn V V +0.79 --LIE +0.77 -L19 OH0+ r+ 20H 0, 2g so Mno+210 Meo,4O Mao, MaO 1+ 2 +0.76 --163 042 A NA -166 0 1.79 0.56 Se -2.09 +0.54 0.52 -2.36 Ce Ce L la Na Na C+ Ca Se 2 Se -246 5+ -2.52 NIOOHHO NO), Or ACrO, + 2e2Ag+Co O,+ 2H,0+ HOH 0.9 -2.71 +0.45 -2.87 40.00 -2.89 40. 291 -2.91 [CN), (CN 0.6 Ra Ra -2.92 +034 -2.92 40.27 Rb +Rb -2.93 Adr Ag C 40.22 -293 +0.0 -305
At standard conditions, is the electrochemical reaction spontaneous? Anode: NO3- + 2H+ + e- --> NO2 + H2O Cathode: 2H+ + 2e- --> H2 Table 7.2 Standard potentials at 298 K. (a) In clectrechemical order Reduction half ceaction Reduction half reaction Strengly oxidiring Cu"+ Cu +16 +3.0 +0.15 Ag A r .07 0,+ 2H+ 0,+0 +2.0 0.00 +2.05 a by definition Ag+A Co Ce 10, + 2+ 2 210 0.04 .0 G13 In in Se+ Sn Au'+ Au 0.14 167 0.14 0.15 N NI Ca Ce In" In 0.23 -0.28 MnO; + Ma+ 4H,0 Mn Mn Au A -034 -0.34 1.40 PSO, + so 0.37 Go + 14 + be C" +7H,0 0, +HO+ 0, 20H 0,4 21,0 .40 1.24 In rle -0.40 1.23 123 -0.44 Mao,4 Ma"+ 21,0 r,+ 2 1.23 le+ In -0.44 1.09 S+ 0.48 0.97 In ln 6.49 NO, ++ NO 21,0 0.96 061 -0.74 CIO +HO+2 -d+20 +0.9 Za"+ Ze -0.76 40.6 NO, +2r NO, +HO 211,0+ 2 , + 20 683 0.10 -091 Mn+ 2eMn V V +0.79 --LIE +0.77 -L19 OH0+ r+ 20H 0, 2g so Mno+210 Meo,4O Mao, MaO 1+ 2 +0.76 --163 042 A NA -166 0 1.79 0.56 Se -2.09 +0.54 0.52 -2.36 Ce Ce L la Na Na C+ Ca Se 2 Se -246 5+ -2.52 NIOOHHO NO), Or ACrO, + 2e2Ag+Co O,+ 2H,0+ HOH 0.9 -2.71 +0.45 -2.87 40.00 -2.89 40. 291 -2.91 [CN), (CN 0.6 Ra Ra -2.92 +034 -2.92 40.27 Rb +Rb -2.93 Adr Ag C 40.22 -293 +0.0 -305
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...
Related questions
Question
![At standard conditions, is the
electrochemical reaction
spontaneous?
Anode: NO3- + 2H+ + e- --> NO2 +
H2O
Cathode: 2H+ + 2e- --> H2
Table 7.2 Standard potentials at 298 K. (a) In clectrochemical order
Reduction half ceaction
Reduction half-reaction
Cu" +eCu
Se + 2 S
Strongly oxidiring
I1XeO, + 2r +2 XeO, + SH,0
+2e 2
0,+ 2H + 20, +H0
S,여 +2e→250
Ag +eA
Co" + C
1,0, + 2+ 2 21,0
+0.16
3.0
+0.15
+2.87
+0,07
+2.07
000
21+ ,
a, by definition
-0.04
+2.05
+1.98
0,+10+ 2 HO, +Or
0.08
+1.78
-013
In' ln
Se +2e Sn
Aglr
N"+ NI
Ca+ 2Co
In"+ In
Au' +e Au
+1.69
-0.14
1.67
0.14
2HCIO+ 2+ 2e a, +211,0
+1.63
0.15
0.23
21IO+ 2+ 2e e,+ 2H0
MnO;+ H + SeMn" + 4H,0
Mn" Mn
Au+ eAu
+1.60
-0.28
+1.1
-0.34
+1.51
-0.34
PSO, + 2b+ So
1.40
+1.36
0.37
Cr0 + 141' + be 2Cr" +7H,0
0,+H0+ 0, + 20H
0,+ 4+ 4 21,0
do, + 2r+ 2-do; +1,0
Mno, + 4+ 2+Ma" + 211,0
Br,+ 2 28
1.33
-0.40
+1.24
Inrln
-040
1.23
0.41
e+ le
In+ 2e In
1.23
0.44
+1.23
-0.44
+1.09
-0.48
40.97
In" In
-0.49
NO, ++ NO+ 21,0
0.96
0.61
+0.92
0.74
CIO+HO+ 2 d+ 201
Hg" + 2e -Hg
Za" + 2Zn
Ca(OH), + 2 Gd 20H
211,0+ 2 1, + 20
+0.9
-0.76
+0.6
NO, + 2r +e NO, +HO
40.80
-0.91
Mn + 2eMn
Vi+ 2V
+0.79
-LIB
+0.77
-L19
BO +H,0+ 2 r+ 20H
11 S0,+ 22g So
Mno + 211,0+ 2e Mno, + 4OH
Mno, eMaO
+0.76
163
40.62
A A
-1.66
+0.60
1.79
+0.56
Se+ S
-2.09
Mg" + 2Mg
Ce Ce
L la
Na Na
Ca+2 Ca
Se" + 2 Se
Ba la
Ra+ 2Ra
+0.54
236
CU Cu
5+23
NIOOH + H0 Ni(OI), + Or
Ag,Cro, + 2e2Ag+ Co
0,+ 2H,0+e4OH
Co, +1,0 + 2 CIO; + 20H
(Fe(CN) [(CN)
Cu+ 2e Cu
HgCI, +2 2Hg+20
Aatr- Ag+ C
+0.52
-248
+0.53
-2.52
0.49
-271
+0.45
-2.87
40.40
-289
+0.36
-2.91
40.36
-292
+0.34
-2.92
40.27
Rb' +e Rb
-2.93
40.22
K*+rK
2.93
0.20
-305](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fab062716-53ac-4083-8370-46325e5afa3e%2F7f6b244f-38dd-4a23-b4c0-419184d0b202%2Fgaj9o3o_processed.jpeg&w=3840&q=75)
Transcribed Image Text:At standard conditions, is the
electrochemical reaction
spontaneous?
Anode: NO3- + 2H+ + e- --> NO2 +
H2O
Cathode: 2H+ + 2e- --> H2
Table 7.2 Standard potentials at 298 K. (a) In clectrochemical order
Reduction half ceaction
Reduction half-reaction
Cu" +eCu
Se + 2 S
Strongly oxidiring
I1XeO, + 2r +2 XeO, + SH,0
+2e 2
0,+ 2H + 20, +H0
S,여 +2e→250
Ag +eA
Co" + C
1,0, + 2+ 2 21,0
+0.16
3.0
+0.15
+2.87
+0,07
+2.07
000
21+ ,
a, by definition
-0.04
+2.05
+1.98
0,+10+ 2 HO, +Or
0.08
+1.78
-013
In' ln
Se +2e Sn
Aglr
N"+ NI
Ca+ 2Co
In"+ In
Au' +e Au
+1.69
-0.14
1.67
0.14
2HCIO+ 2+ 2e a, +211,0
+1.63
0.15
0.23
21IO+ 2+ 2e e,+ 2H0
MnO;+ H + SeMn" + 4H,0
Mn" Mn
Au+ eAu
+1.60
-0.28
+1.1
-0.34
+1.51
-0.34
PSO, + 2b+ So
1.40
+1.36
0.37
Cr0 + 141' + be 2Cr" +7H,0
0,+H0+ 0, + 20H
0,+ 4+ 4 21,0
do, + 2r+ 2-do; +1,0
Mno, + 4+ 2+Ma" + 211,0
Br,+ 2 28
1.33
-0.40
+1.24
Inrln
-040
1.23
0.41
e+ le
In+ 2e In
1.23
0.44
+1.23
-0.44
+1.09
-0.48
40.97
In" In
-0.49
NO, ++ NO+ 21,0
0.96
0.61
+0.92
0.74
CIO+HO+ 2 d+ 201
Hg" + 2e -Hg
Za" + 2Zn
Ca(OH), + 2 Gd 20H
211,0+ 2 1, + 20
+0.9
-0.76
+0.6
NO, + 2r +e NO, +HO
40.80
-0.91
Mn + 2eMn
Vi+ 2V
+0.79
-LIB
+0.77
-L19
BO +H,0+ 2 r+ 20H
11 S0,+ 22g So
Mno + 211,0+ 2e Mno, + 4OH
Mno, eMaO
+0.76
163
40.62
A A
-1.66
+0.60
1.79
+0.56
Se+ S
-2.09
Mg" + 2Mg
Ce Ce
L la
Na Na
Ca+2 Ca
Se" + 2 Se
Ba la
Ra+ 2Ra
+0.54
236
CU Cu
5+23
NIOOH + H0 Ni(OI), + Or
Ag,Cro, + 2e2Ag+ Co
0,+ 2H,0+e4OH
Co, +1,0 + 2 CIO; + 20H
(Fe(CN) [(CN)
Cu+ 2e Cu
HgCI, +2 2Hg+20
Aatr- Ag+ C
+0.52
-248
+0.53
-2.52
0.49
-271
+0.45
-2.87
40.40
-289
+0.36
-2.91
40.36
-292
+0.34
-2.92
40.27
Rb' +e Rb
-2.93
40.22
K*+rK
2.93
0.20
-305
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