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Question 8 (1 point) Calculate the equilibrium constant, K, for the spontaneous galvanic cell between Pb2+/Pb...
selected answer is incorrect Question 8 0 / 1 point Calculate the equilibrium constant, K, for the spontaneous galvanic cell between Pb2+/Pb and Cr3+/Cr2+ conducted at standard conditions. 7.9 x102 1.7 x1014 3.1 x109 5.6 x104
selected answer is incorrect please solve Question 8 0 / 1 point Calculate the equilibrium constant, K, for the spontaneous galvanic cell between Pb2+/Pb and Cr3+/Cr2+ conducted at standard conditions. 7.9 x102 1.7 x1014 3.1 x109 5.6 x104
Question 4 (1 point) What is the Eºcell for the spontaneous electrochemical cell between Pb2+/Pb and Mg2+/Mg? O +2.23 V -2.36 V O - 2.23 V +2.36 V Show Report 07 CRAIN605 PAS lenovo
Calculate the equilibrium constant, K, at 298 K for the cell: Pb |Pb2+ || Ag+ | Ag The standard reduction potential for the Pb2+/Pb couple is -0.13 V, and it is +0.80 V for the Ag+/Ag couple.
Question 7 (1 point) Calculate the standard free energy for the following reaction at standard conditions. Will the galvanic cell occur spontaneously to produce potential? Cu (s) + V2+ (aq) - Cu2+ (aq) + V (s) O + 148 kJ, the reaction will not be spontaneous + 295 kJ, the reaction will not be spontaneous - 148 kJ, the reaction will occur spontaneously as written 295 kJ, the reaction will occur spontaneously as written Show Report e STRAIN605 PASSW lenovo
30) Use the tabulated half-cell potentials below to calculate the equilibrium constant (K) for the following balanced redox reaction at 25°C. Pb2+(aq) + Cu(s) → Pb(s) + Cu2+(aq) Pb2+(aq) + 2e → Pb(s) Cu2+ (aq) +2e → Cu(s) E° = -0.13 V E = 0.34 V C) 7.9 x 1015 A) 7.9 x 10-8 D) 1.3 x 10-16 B) 8.9 x 107 E) 1.1 x 10-8
A Cacat Pb2+ Pb galvanic cell is constructed in which the standard cell voltage is 0.277 V Calculate the free energy change at 25°C when 0.866 g of Pb plates out, if all concentrations remain at their standard value of 1 M throughout the process. What is the maximum amount of work that could be done by the cell on its surroundings during this experiment? AGⓇE Maximum work Use the References to access important values if needed for this question....
Question 7 (1 point) Standard reduction potentials for the Zn2+/Zn and Pb2+/Pb couples are -0.76 and - 0.13 V, respectively. The galvanic cell below uses the half-cells Pb2+[Pb and Zn2+|Zn, and a salt bridge containing KCl(aq). The voltmeter gives a positive voltage reading. voltmeter salt bridge CD-> The identities of B and D, respectively, are O Pb and Cl- Ozn and Cl- O Pb and K+ O Zn and K+
Question 5 (1 point) Standard reduction potentials for the Zn2+/Zn and Pb2+/Pb couples are -0.76 and - 0.13 V, respectively. The galvanic cell below uses the half-cells Pb2 Pb and Zn2+Zn, and a salt bridge containing KCl(aq). The voltmeter gives a positive voltage reading. voltater salt bridge CD- The identities of A and C, respectively, are Zn and K OPb and K Zn and CH O Pb and CI Question 6 (1 point) Saved In a working electrochemical cell, the...
Separate galvanic cells are made from the following half-cells: cell 1: H+(aq)/H2(g) and Pb2+(aq)/Pb(s) cell 2: Fe2+(aq)/Fe(s) and Zn2+(aq)/Zn(s) Which of the following is correct for the working cells? Standard reduction potentials, 298 K, Aqueous Solution (pH = 0): Cl2(g) + 2e --> 2C1-(aq); E° = +1.36 V Fe3+(aq) + e --> Fe2+(aq); E° = +0.77 V Cu2+(aq) + 2e --> Cu(s); E° = +0.34 V 2H+(aq) + 2e --> H2(g); E° = 0.00 V Pb2+(aq) + 2e --> Pb(s);...