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Consider a galvanic cell based on the reaction Zn + MnO4→ Zn²* + Mn²+ in acidic solution. Calculate the voltage of the standard cell carrying out this reaction.

Consider a galvanic cell based on the reaction Zn + MnO4→ Zn²* + Mn²+ in acidic solution. Calculate the voltage of the standard cell carrying out this reaction.

Chemistry
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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Consider a galvanic cell based on the reaction Zn + MnO, → Zn²* + Mn²+ in acidic solution. Calculate the voltage of the standard cell carrying out this reaction. Half-Reaction Half-Reaction F+ 2e2F Ag* + eAg Co- + e- Co- H,O, + ZH + 2e2H,0 Ce +eCe PbO, + 4H + So,- + 2c¯ →PbSO, + 2H,0 MnO, + 4H + 3eMnO, + 2H,0 2e + 2H + 10, →10,¯ + H,0 MnO, + 8H + 5eMn + 4H,O Au + 3eAu PbO, + 4H + 2e¯Pb2* + 2H,0 CI, + 2e 2C1¯ Cr,0,- + 14H + 6e¯→2Cr* + 7H,0 0, + 4H* + 4e→ 2H,0 MnO, + 4H + 2e Mn²* + 2H,0 10, + 6H + Se , + 3H,0 Brz + 2e → 2B1¯ VO,* + 2H* + ¢¯→VO²* + H;O AUCL + 3e→ Au + 4CI NO, + 4H + 3eNO + 2H,0 CIO, + eCIO, 2Hg + 2eHg,* Ag+cAg Hg, +2e2Hg Fe +eFe2+ 0, + 2H* + 2e→ H,O, MnO, + eMnO,- I + 2e 21 Cu* +e→ Cu 2.87 1.99 0, + 2H,0 + 4c→40H Cu + 2eCu Hg Cl, + 202H + 2CI¯ A CI+eAg + Cl So-+4H +2e"→H,SO, + H,0 Cu +e Cu 2H +2eH Fe + 30Fe Pb + 2ePb Sn + 2e Sn Ni + 20NI PbSO, + 20Pb + SO,- Cd* + 20 Cd Cr* +eCr Fe + 2eFe Cr + 3eCr Zo* + 2e Zn 2H,0 + 20H, + 20H Mn +2eMn Al + 3eAI H, + 2e2H Mg +2eMg La +3eLa Na* + e+ Na Ca + 20 Ca Ba +2eBa K + eK Li +eLi 0.40 0.34 1.82 1.78 1.70 0.27 0.22 0.20 1.69 0.16 1.68 0.00 -0.036 1.60 1.51 1.50 -0.13 -0.14 1.46 -0.23 1.36 -0.35 -0.40 -041 -0.44 -0.73 1.33 1.23 1.21 1.20 1.09 -0.76 -0.83 1.00 -L18 0.99 -1.66 -223 -237 -237 -271 0.96 0.954 0.91 0.80 0.80 -2.76 -2.90 0.77 0.68 -292 -3.05 0.56 0.54 0.52 charing Hide
Transcribed Image Text:Consider a galvanic cell based on the reaction Zn + MnO, → Zn²* + Mn²+ in acidic solution. Calculate the voltage of the standard cell carrying out this reaction. Half-Reaction Half-Reaction F+ 2e2F Ag* + eAg Co- + e- Co- H,O, + ZH + 2e2H,0 Ce +eCe PbO, + 4H + So,- + 2c¯ →PbSO, + 2H,0 MnO, + 4H + 3eMnO, + 2H,0 2e + 2H + 10, →10,¯ + H,0 MnO, + 8H + 5eMn + 4H,O Au + 3eAu PbO, + 4H + 2e¯Pb2* + 2H,0 CI, + 2e 2C1¯ Cr,0,- + 14H + 6e¯→2Cr* + 7H,0 0, + 4H* + 4e→ 2H,0 MnO, + 4H + 2e Mn²* + 2H,0 10, + 6H + Se , + 3H,0 Brz + 2e → 2B1¯ VO,* + 2H* + ¢¯→VO²* + H;O AUCL + 3e→ Au + 4CI NO, + 4H + 3eNO + 2H,0 CIO, + eCIO, 2Hg + 2eHg,* Ag+cAg Hg, +2e2Hg Fe +eFe2+ 0, + 2H* + 2e→ H,O, MnO, + eMnO,- I + 2e 21 Cu* +e→ Cu 2.87 1.99 0, + 2H,0 + 4c→40H Cu + 2eCu Hg Cl, + 202H + 2CI¯ A CI+eAg + Cl So-+4H +2e"→H,SO, + H,0 Cu +e Cu 2H +2eH Fe + 30Fe Pb + 2ePb Sn + 2e Sn Ni + 20NI PbSO, + 20Pb + SO,- Cd* + 20 Cd Cr* +eCr Fe + 2eFe Cr + 3eCr Zo* + 2e Zn 2H,0 + 20H, + 20H Mn +2eMn Al + 3eAI H, + 2e2H Mg +2eMg La +3eLa Na* + e+ Na Ca + 20 Ca Ba +2eBa K + eK Li +eLi 0.40 0.34 1.82 1.78 1.70 0.27 0.22 0.20 1.69 0.16 1.68 0.00 -0.036 1.60 1.51 1.50 -0.13 -0.14 1.46 -0.23 1.36 -0.35 -0.40 -041 -0.44 -0.73 1.33 1.23 1.21 1.20 1.09 -0.76 -0.83 1.00 -L18 0.99 -1.66 -223 -237 -237 -271 0.96 0.954 0.91 0.80 0.80 -2.76 -2.90 0.77 0.68 -292 -3.05 0.56 0.54 0.52 charing Hide
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