Given the following reactions: Anode: NO3- + 2H+ + e- --> NO2 + H2O Cathode: 2H+ + 2e- --> H2 Redox: 2NO2(g) + 2 H2O (I) · --> 2NO3-(aq) + 2H+(aq) + H2(g) Conditions: [0.15 atm] [0.18 atm] [0.1 M] [0.1 M] [0.67 atm] Find the cell potential, E Report your answer in 2 decimal places. Do not include the unit

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Given the following reactions:
Anode: NO3- + 2H+ + e-
-> NO2 +
H2O
Cathode: 2H+ + 2e-
--> H2
Redox:
2NO2(g) + 2
H2O (1) --> 2N03-(aq) + 2H+(aq) +
H2(g)
Conditions:
[0.15 atm]
[0.18 atm]
[0.1 M]
[0.1 M]
[0.67 atm]
Find the cell potential, E
Report your answer in 2 decimal
places. Do not include the unit
Transcribed Image Text:Given the following reactions: Anode: NO3- + 2H+ + e- -> NO2 + H2O Cathode: 2H+ + 2e- --> H2 Redox: 2NO2(g) + 2 H2O (1) --> 2N03-(aq) + 2H+(aq) + H2(g) Conditions: [0.15 atm] [0.18 atm] [0.1 M] [0.1 M] [0.67 atm] Find the cell potential, E Report your answer in 2 decimal places. Do not include the unit
Table 7.2 Standard potentials at 298 K. (a) In clectrechemical order
Reduction half reaction
Reduction half-reaction
EIV
Strengly oxidizing
Cu" +eCu
+0.16
30
Se" + 2 Se
+0.15
+2.7
Agr+ A
T" +e- T"
0,+ 2H + 20, +H0
S,0 + 2250
Ag +A
Co" +Co"
1,0,+ 21+ 2 211,0
Au' +e Au
+2.07
0.00
+2.05
a by definition
1.98
-0.04
0,+1,0+ 2e Ho, +Or
0.08
+1.78
4.13
+1.69
In'+ln
14
Ph + 2eP
2HCIO+ 2+ 2 4,+21,0
1.67
Se"+e Sn
1.63
-015
Ni"+ NI
Co+ 2 Co
In"+ In
-0.23
21 IBO+2 +2 e, + 2H,0
Mn0; + H + SMe" + 4H,0
Mn" +e Mn
Au"+ Au
+1.60
-0.28
+1.51
-0.34
+1.51
-0.34
+1.40
PSO, + 2 so
+1.36
--0.37
Cr0 + 14H + be → 2Cr" +7H,0
0, +H,0+ 2e 0, + 20H
0, + 4+ 4 21,0
do, + 2 + 2edo; +11,0
Mno, + 4+ 2Ma" + 21,0
r, + 2 28
+1.33
Ca + Ca
-0.40
+1.24
Inrln
-0.40
1.23
Fe+ e
In + 2e In
S+ 2e
In" + In
1.23
-044
+1.23
-0.4
+1.09
-0.48
40.97
-0.49
NO, ++ NO+ 21,0
2Hg" + 2
ClO +H,0 + 2e - ar + 201r
Hig" +2elg
NO, + 2 NO, +HO
0.96
061
+0.92
0.74
+0.9
Za" +2 Zn
-0.76
40.86
Ca(OH), + 2 Cd 20H
21,0+ 21,+ 20
+0.80
+0.10
091
g + 2e - 21lg
Fe"+e - Fe
BrO +H,0+ 2 -→ Be + 20H
1g,50, + 2e+2g + So
Mno + 211,0+ 2e → Meo, + 4OH
Mno, + MeO
I,+2e21
Mn +2eMn
V+ 2eV
T+ 2Ti
A A
U+ U
+0.79
-LI8
+0.77
-L19
+0.76
-163
+0.62
--166
0.60
-1.79
+0.56
209
+0.54
Mg" + 2Mg
-2.36
+0.52
Ce+ Ce
-24
5+ 20 31
NICOH + H,0 +e Ni(OI), + Or
AgCrO, + 22Ag + CO
0, +2H,0+ 4CH
do, +1,0+ 2 aIO; + 20H
[Fe(CN),ee(CN)J
Cu+ 2eCu
+0.53
La+ la
-252
Na e Na
C + Ca
Se+ 2S
0.49
+0.45
-2.87
40.40
-289
40.36
-2.91
40.36
Ra+ 2Ra
-2.92
+0.4
-2.92
Hga, + 2e + 2Hg +2
40.27
Rb + Rb
-2.93
40.22
-2.93
10.20
Transcribed Image Text:Table 7.2 Standard potentials at 298 K. (a) In clectrechemical order Reduction half reaction Reduction half-reaction EIV Strengly oxidizing Cu" +eCu +0.16 30 Se" + 2 Se +0.15 +2.7 Agr+ A T" +e- T" 0,+ 2H + 20, +H0 S,0 + 2250 Ag +A Co" +Co" 1,0,+ 21+ 2 211,0 Au' +e Au +2.07 0.00 +2.05 a by definition 1.98 -0.04 0,+1,0+ 2e Ho, +Or 0.08 +1.78 4.13 +1.69 In'+ln 14 Ph + 2eP 2HCIO+ 2+ 2 4,+21,0 1.67 Se"+e Sn 1.63 -015 Ni"+ NI Co+ 2 Co In"+ In -0.23 21 IBO+2 +2 e, + 2H,0 Mn0; + H + SMe" + 4H,0 Mn" +e Mn Au"+ Au +1.60 -0.28 +1.51 -0.34 +1.51 -0.34 +1.40 PSO, + 2 so +1.36 --0.37 Cr0 + 14H + be → 2Cr" +7H,0 0, +H,0+ 2e 0, + 20H 0, + 4+ 4 21,0 do, + 2 + 2edo; +11,0 Mno, + 4+ 2Ma" + 21,0 r, + 2 28 +1.33 Ca + Ca -0.40 +1.24 Inrln -0.40 1.23 Fe+ e In + 2e In S+ 2e In" + In 1.23 -044 +1.23 -0.4 +1.09 -0.48 40.97 -0.49 NO, ++ NO+ 21,0 2Hg" + 2 ClO +H,0 + 2e - ar + 201r Hig" +2elg NO, + 2 NO, +HO 0.96 061 +0.92 0.74 +0.9 Za" +2 Zn -0.76 40.86 Ca(OH), + 2 Cd 20H 21,0+ 21,+ 20 +0.80 +0.10 091 g + 2e - 21lg Fe"+e - Fe BrO +H,0+ 2 -→ Be + 20H 1g,50, + 2e+2g + So Mno + 211,0+ 2e → Meo, + 4OH Mno, + MeO I,+2e21 Mn +2eMn V+ 2eV T+ 2Ti A A U+ U +0.79 -LI8 +0.77 -L19 +0.76 -163 +0.62 --166 0.60 -1.79 +0.56 209 +0.54 Mg" + 2Mg -2.36 +0.52 Ce+ Ce -24 5+ 20 31 NICOH + H,0 +e Ni(OI), + Or AgCrO, + 22Ag + CO 0, +2H,0+ 4CH do, +1,0+ 2 aIO; + 20H [Fe(CN),ee(CN)J Cu+ 2eCu +0.53 La+ la -252 Na e Na C + Ca Se+ 2S 0.49 +0.45 -2.87 40.40 -289 40.36 -2.91 40.36 Ra+ 2Ra -2.92 +0.4 -2.92 Hga, + 2e + 2Hg +2 40.27 Rb + Rb -2.93 40.22 -2.93 10.20
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