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d) What is the equilibrium direction of the reaction? Write "a" if the reaction is spontaneous in the forward direction, or "b" if it is nonspontaneous. e) Calculate the potentials of each half cell. E+ = V E. = V f) Calculate the potential of the full cell. E = V g) What is the direction of the reaction? Write "a" if electrons flow from the Mn electrode to the Cu electrode, or "b" if it is the reverse.

d) What is the equilibrium direction of the reaction? Write "a" if the reaction is spontaneous in the forward direction, or "b" if it is nonspontaneous. e) Calculate the potentials of each half cell. E+ = V E. = V f) Calculate the potential of the full cell. E = V g) What is the direction of the reaction? Write "a" if electrons flow from the Mn electrode to the Cu electrode, or "b" if it is the reverse.

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 the following cell:

Mn(s) | MnBr2(0.046 M) || CuBr(0.024 M) | Cu(s)

d) What is the equilibrium direction of the reaction? Write "a" if the reaction is spontaneous in the forward direction, or "b" if it is nonspontaneous. e) Calculate the potentials of each half cell. E+ = V E. = V f) Calculate the potential of the full cell. E = V g) What is the direction of the reaction? Write "a" if electrons flow from the Mn electrode to the Cu electrode, or "b" if it is the reverse.
Transcribed Image Text:d) What is the equilibrium direction of the reaction? Write "a" if the reaction is spontaneous in the forward direction, or "b" if it is nonspontaneous. e) Calculate the potentials of each half cell. E+ = V E. = V f) Calculate the potential of the full cell. E = V g) What is the direction of the reaction? Write "a" if electrons flow from the Mn electrode to the Cu electrode, or "b" if it is the reverse.
Manganese MnO, + 4H* + 3e¯ =MnO2(s) + 2H2O Mn+ + e= Mn²+ Mno, + 8H* + 5e¯ = Mn²+ + 4H2O Mn2O3(s) + 6H* + 2e¯= 2MN²* + 3H,O MnO,(s) + 4H* + 2e¯=Mn²+ + 2H,O Mn(EDTA)¯ + e¯=Mn(EDTA)²- MnO, + e¯ = MnO 3Mn,O3(s) + H,0 + 2e¯=2Mn;O,(8) + 20H¯ Mn;04(s) + 4H;0 + 2e¯ =3Mn(OH)2(s) + 20H" 1.692 -0.671 1.56 1.8 1.507 -0.646 -0.926 1.485 1.230 -0.609 0.825 -1.10 0.56 0.002 -0.352 -2.05 -1.256 -1.61 Mn2+ Mn(OH)2(8) + 2e¯=Mn(s) + 20H¯ - 2e¯ =Mn(s) -1.182 -1.129 -1.565 -1.10 Copper Cu* + e= Cu(s) Cu²+ + 2e¯ = Cu(s) Cu²+ + e Cu" CuCl(s) + e¯= Cu(s) + Cl¯ Cu(IO3)2(s) + 2e¯=Cu(s) + 2IO, Cu(ethylenediamine), + e¯=Cu(s) + 2 ethylenediamine CuI(s) + e¯= Cu(s) + I¯ Cu(EDTA)²- + 2e¯=Cu(s) + EDTA“- Cu(OH)2(s) + 2e¯=Cu(s) + 20H' Cu(CN), + e¯= Cu(s) + 2CN CuCN(s) + e¯=Cu(s) + CN 0.518 0.339 0.161 0.137 -0.079 -0.119 -0.185 -0.216 -0.222 -0.429 -0.639 Bromine Bro, + 2H* + 2e¯=BrO, + H2O HOBR + H* + e¯=}Br2(1) + H,0 Bro, + 6H* + 5e¯ =Br>(1) + 3H2O Br2(aq) + 2e¯ = 2Br Br,(1) + 2e¯= 2Br Br, + 2e= 3Br Bro + H2O + 2e¯=Br + 20H™ Bro, + 3H,0 + 6e¯=Br + 60H 1.745 -0.511 1.584 -0.75 1.513 1.098 1.078 1.062 0.766 -0.419 -0.499 -0.611 -0.512 -0.94 0.613 -1.287
Transcribed Image Text:Manganese MnO, + 4H* + 3e¯ =MnO2(s) + 2H2O Mn+ + e= Mn²+ Mno, + 8H* + 5e¯ = Mn²+ + 4H2O Mn2O3(s) + 6H* + 2e¯= 2MN²* + 3H,O MnO,(s) + 4H* + 2e¯=Mn²+ + 2H,O Mn(EDTA)¯ + e¯=Mn(EDTA)²- MnO, + e¯ = MnO 3Mn,O3(s) + H,0 + 2e¯=2Mn;O,(8) + 20H¯ Mn;04(s) + 4H;0 + 2e¯ =3Mn(OH)2(s) + 20H" 1.692 -0.671 1.56 1.8 1.507 -0.646 -0.926 1.485 1.230 -0.609 0.825 -1.10 0.56 0.002 -0.352 -2.05 -1.256 -1.61 Mn2+ Mn(OH)2(8) + 2e¯=Mn(s) + 20H¯ - 2e¯ =Mn(s) -1.182 -1.129 -1.565 -1.10 Copper Cu* + e= Cu(s) Cu²+ + 2e¯ = Cu(s) Cu²+ + e Cu" CuCl(s) + e¯= Cu(s) + Cl¯ Cu(IO3)2(s) + 2e¯=Cu(s) + 2IO, Cu(ethylenediamine), + e¯=Cu(s) + 2 ethylenediamine CuI(s) + e¯= Cu(s) + I¯ Cu(EDTA)²- + 2e¯=Cu(s) + EDTA“- Cu(OH)2(s) + 2e¯=Cu(s) + 20H' Cu(CN), + e¯= Cu(s) + 2CN CuCN(s) + e¯=Cu(s) + CN 0.518 0.339 0.161 0.137 -0.079 -0.119 -0.185 -0.216 -0.222 -0.429 -0.639 Bromine Bro, + 2H* + 2e¯=BrO, + H2O HOBR + H* + e¯=}Br2(1) + H,0 Bro, + 6H* + 5e¯ =Br>(1) + 3H2O Br2(aq) + 2e¯ = 2Br Br,(1) + 2e¯= 2Br Br, + 2e= 3Br Bro + H2O + 2e¯=Br + 20H™ Bro, + 3H,0 + 6e¯=Br + 60H 1.745 -0.511 1.584 -0.75 1.513 1.098 1.078 1.062 0.766 -0.419 -0.499 -0.611 -0.512 -0.94 0.613 -1.287
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