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Given the following reactions: Anode: NO3- + 2H+ + e- --> NO2 + H2O Cathode: 2H+ + 2e- --> H2 Redox:                      2NO2(g)   +   2 H2O (l) --> 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

Given the following reactions: Anode: NO3- + 2H+ + e- --> NO2 + H2O Cathode: 2H+ + 2e- --> H2 Redox:                      2NO2(g)   +   2 H2O (l) --> 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

Chemistry: The Molecular Science
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 38QRT
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Given the following reactions:

Anode: NO3- + 2H+ + e- --> NO2 + H2O

Cathode: 2H+ + 2e- --> H2

Redox:                      2NO2(g)   +   2 H2O (l) --> 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

Table 7.2 Standard potentials at 298 K. (a) In electrochemical order Reduction half reaction E"/V Reduction half-reaction EIV Strongly oxidizing Cu" +eCu +0.16 +3.0 Sn" + 2e Sn H,XeO, + 2H" +2e→ XeO, + 3H,O F+2e2F" 0,+ 2H" + 2-0, + H,0 S,여 +2e→2s0어 Ag +e Ag Co" +eCo" +0.15 AgBr +e Ag + Br Ti" +eTi" 2H + 2eH, +2.87 +0.07 +2.07 0.00 +2.05 a, by defin +1.98 Fe" + 3Fe -0.04 0,+H,0+ 2e° -> HO; +Of" Fb + 2e Pb +L8I -0.08 H,O, + 2H" +2e 21,0 Au' +eAu Pb + 2e Pb 2HCIO + 2H' + 2e a, + 211,0 Cet +eCe 21IBrO+ 211 + 2e Br,+ 2H0 +1.78 -0.13 In +eIn Sn+2e Sn Agl +e Ag+ Ni" +2e Ni Co" + 2eCo In" + eIn +1.69 -0.14 +1.67 -0.14 +1.63 -0.15 +1.61 -0.23 +1.60 -0.28 Mno, + BH" + Se Mn" + 4H,0 Mn" +eMn Au" +3eAu +1.51 -0.34 +1.51 1 +e TI -0.34 +1.40 PESO, + 2e Pb + So -0.36 +1.36 -0.37 Cr,0 +14H* +6e →2Cr" +7H,0 0, +H,0 + 2e" -→O, + 20H O, +4H' + 4e 2H,0 Co, + 2H" + 2e-do; +H,0 MnO, + 4H + 2e - Ma" + 21,0 Br, + 2e 2Br Pu" +e Pu" +1.33 C +2eCd -0.40 +1.24 Ine In -0.40 +1.23 -041 Fe+ 2eFe In + 2e In S+2es +1.23 -0.44 +1.23 -0.44 +1.09 -0.48 +0.97 In" +e In -0.49 NO, +4H + 3e -NO+ 2H,0 2Hg" + 2e Hg ClO +H,0+2e Cr + 20H Hg" + 2e - Hg NO, + 2H +e- NO, + H,0 +0.96 -0.61 +0.92 C+ Cr -0.74 +0.89 Za" + 2 Zn -0.76 +0.86 Ca(OH), + 2e-Cd + 20H +0.80 21,0+ 2e-1, + 2011 -0.83 Ag+eAg Hg" + 2e 21ig Fe" +eFe* BrO + H,0+ 2e Br + 20H Hg,SO, + 2e -2Hg + SO? Mno + 2H,0+ 2e"→MNO, + 40H MnO, +e Mno 1+2e 21 +0.80 C*+2eCr -0.91 +0.79 Mn +2e Mn -L.18 +0.77 V+ 2eV -1.19 +0.76 -1.63 +0.62 AP + 3e A -1.66 +0.60 U+3e U -1.79 +0.56 Se+3eS -2.09 Mg* + 2e Mg Ce" + 3eCe +0.54 -236 +0.52 -2.48 5+ 2e31 NIOOH +H,0+e→ Ni(OH), + OH Ag,CrO, + 2e 2Ag + CrO O,+ 2H,0+ de-4OH do, +1,0+2e CIO; + 20H (Fe{CN),* +e" → [Fe(CN),J* Cu + 2eCu La" + 3ela Na* +e Na Ca +2eCa Se + 2e Sr +0.53 -2.52 +0.49 -271 +0.45 -2.87 +0.40 -2.89 +0.36 Ba" + 2e+ Ba -2.91 +0.36 Ra+2eRa -2.92 +0.34 -2.92 HgCI, + 2e + 2Hg + 20 Aga+e Ag + a Bi +e Bi 40.27 Rb +e Rb -2.93 +0.22 K*+eK -2.93 +0.20 L +eLi -3.05
Transcribed Image Text:Table 7.2 Standard potentials at 298 K. (a) In electrochemical order Reduction half reaction E"/V Reduction half-reaction EIV Strongly oxidizing Cu" +eCu +0.16 +3.0 Sn" + 2e Sn H,XeO, + 2H" +2e→ XeO, + 3H,O F+2e2F" 0,+ 2H" + 2-0, + H,0 S,여 +2e→2s0어 Ag +e Ag Co" +eCo" +0.15 AgBr +e Ag + Br Ti" +eTi" 2H + 2eH, +2.87 +0.07 +2.07 0.00 +2.05 a, by defin +1.98 Fe" + 3Fe -0.04 0,+H,0+ 2e° -> HO; +Of" Fb + 2e Pb +L8I -0.08 H,O, + 2H" +2e 21,0 Au' +eAu Pb + 2e Pb 2HCIO + 2H' + 2e a, + 211,0 Cet +eCe 21IBrO+ 211 + 2e Br,+ 2H0 +1.78 -0.13 In +eIn Sn+2e Sn Agl +e Ag+ Ni" +2e Ni Co" + 2eCo In" + eIn +1.69 -0.14 +1.67 -0.14 +1.63 -0.15 +1.61 -0.23 +1.60 -0.28 Mno, + BH" + Se Mn" + 4H,0 Mn" +eMn Au" +3eAu +1.51 -0.34 +1.51 1 +e TI -0.34 +1.40 PESO, + 2e Pb + So -0.36 +1.36 -0.37 Cr,0 +14H* +6e →2Cr" +7H,0 0, +H,0 + 2e" -→O, + 20H O, +4H' + 4e 2H,0 Co, + 2H" + 2e-do; +H,0 MnO, + 4H + 2e - Ma" + 21,0 Br, + 2e 2Br Pu" +e Pu" +1.33 C +2eCd -0.40 +1.24 Ine In -0.40 +1.23 -041 Fe+ 2eFe In + 2e In S+2es +1.23 -0.44 +1.23 -0.44 +1.09 -0.48 +0.97 In" +e In -0.49 NO, +4H + 3e -NO+ 2H,0 2Hg" + 2e Hg ClO +H,0+2e Cr + 20H Hg" + 2e - Hg NO, + 2H +e- NO, + H,0 +0.96 -0.61 +0.92 C+ Cr -0.74 +0.89 Za" + 2 Zn -0.76 +0.86 Ca(OH), + 2e-Cd + 20H +0.80 21,0+ 2e-1, + 2011 -0.83 Ag+eAg Hg" + 2e 21ig Fe" +eFe* BrO + H,0+ 2e Br + 20H Hg,SO, + 2e -2Hg + SO? Mno + 2H,0+ 2e"→MNO, + 40H MnO, +e Mno 1+2e 21 +0.80 C*+2eCr -0.91 +0.79 Mn +2e Mn -L.18 +0.77 V+ 2eV -1.19 +0.76 -1.63 +0.62 AP + 3e A -1.66 +0.60 U+3e U -1.79 +0.56 Se+3eS -2.09 Mg* + 2e Mg Ce" + 3eCe +0.54 -236 +0.52 -2.48 5+ 2e31 NIOOH +H,0+e→ Ni(OH), + OH Ag,CrO, + 2e 2Ag + CrO O,+ 2H,0+ de-4OH do, +1,0+2e CIO; + 20H (Fe{CN),* +e" → [Fe(CN),J* Cu + 2eCu La" + 3ela Na* +e Na Ca +2eCa Se + 2e Sr +0.53 -2.52 +0.49 -271 +0.45 -2.87 +0.40 -2.89 +0.36 Ba" + 2e+ Ba -2.91 +0.36 Ra+2eRa -2.92 +0.34 -2.92 HgCI, + 2e + 2Hg + 20 Aga+e Ag + a Bi +e Bi 40.27 Rb +e Rb -2.93 +0.22 K*+eK -2.93 +0.20 L +eLi -3.05
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