Consider the following galvanic cell at 25°C. Pt | Cr2+ (0.33 M), Cr3+ (2.0 M) ||...
Calculate the cell potential for this voltaic cell at 25 °C: Cr(s) Cr3 (aq, 0.43 M) || Cl2 (g, 0.771 atm) CI(aq, 0.133 M), Pt(s) Cas Ze (bp) Cl2(g)+2e 2CI (aq) Cos (aq)+e Co (aq) Co (aq)+2e Co(s) Cr3 (aq)+3e2 Cr(s) Cr3 (aq)+e Cr2 (aq) Cr2 (aq)+ 2e 2Cr(s) +1.358 3+ +1.83 -0.28 -0.744 -0.407 -0.913 AH 0 3e Cr(0H)-(s) C.o 2-(aa)
What is the reduction half-reaction for the following overall galvanic cell reaction? Co2+(aq) + 2 Ag(s) → Co(s) + 2 Ag+(aq) Co2+(aq) + e-Co(s) Co2 (aq) 2 e Co(s) Ag (aq)eAg(s) Ag(s) + e-→ Ag+(aq)
Consider the following reaction at 298K. 2 Cr3+ (aq) + 2 r (aq) →→2 Cr2+ (aq) + 12 (8) Which of the following statements are correct? Choose all that apply. n=4 mol electrons delta Gº < 0 OK<1 Eºcell < 0 The reaction is product-favored. Consider the following reaction at 298 K. 3 Fe3+ (aq) + Cr(s) – → 3 Fe2+(aq) + Cr3+(aq) Which of the following statements are correct? Choose all that apply. OK<1 n= 3 mol electrons E°...
Consider a galvanic cell that uses the half reactions: Fe3+(aq) + 3e → Fe(s) Ered=-0.04V Co2+ (aq) + 2e → Co(s) Ered - -0.28 V • 1) Calculate AGº for this reaction in kJ/mol. • 2) Calculate the equilibrium constant, K, for this reaction at 298 K • 3) What is the cell potential at 25°C when [Fe3+] - 1.09 M and [Co2+] = 0.057 M?
14. A galvanic cell is composed of these two half cells, with the standard reduction potentials shown Co" (aq) + 2e = Co(s) -0.28 volt Cro(aq) + 3 e = Cr(s) -0.74 volt What is the standard free energy for the cell reaction of this galvanic cell? a. -88.8 kJ b. -178 kJ c. -266 kJ d. -295 kJ e. -590 kJ MO die W oss som sa robi bo bolo Videos onto 15. A galvanic cell is composed of...
Consider a galvanic electrochemical cell constructed using Cr/Cr3* and Zn/Zn2+ at 25 °C. The following half-reactions are provided for each metal: Cr3+ (aq) + 3 e → Cr(s) Eºred = -0.744 V Zna*(aq) + 2 e Zn(s) Eºred = -0.763 V What is the standard cell potential for this cell?
Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25 °C, given that [Sn2+] = 0.0586 M, [Co+] = 0.0487 M, [Sn++] = 0.00784 M, and [Co2+] = 0.01015 M. Standard reduction potentials can be found in this table. Sn2+(aq) + 2 Co+(aq) = Sn(aq) + 2 Co2+ (aq) E= V
Consider the following reaction at 298K. 2 Cr3+ (aq) + Co (s) 2 Cr2+ (aq) + Co2+ (aq) Which of the following statements are correct? Choose all that apply. K < 1 n = 5 mol electrons Eocell > 0 delta Go > 0 The reaction is product-favored.
Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25°C, given that [Cr2+1 = 0.00100 M and [Au2+] = 0.879 M. Standard reduction potentials can be found in this table. 3 Cr(s) + 2 Au + (aq) =3C2+ (aq) + 2 Au(s) E =
Consider the following electrochemical cell. Ag(s) | Ag+(aq) || Cr3+(aq) | Cr(s) Determine the overall reaction and its standard cell potential (in V) at 25°C for this reaction. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.) Overall reaction (please provide)= standard cell potential V= Is the reaction spontaneous at standard conditions?