A galvanic cell consists of a Ni/Ni²+ half-cell and a Co/Co²+ half-cell with initial concentrations: [Ni²+] = 0.80M and [Co²+] = 0.20 M at 298.15 K. half-reaction Eº (V) Ni²+ (aq) +2e→Ni(s) -0.25 Co²+ (aq) +2e→Co(s) -0.28 Write the balanced overall reaction that powers the cell. Calculate Ecell for the redox reaction. (round to 2 decimal places) What is [Ni²+] when Ecell when reaches 0.03V? (round to 2 sig figs) V What happens at equilibrium? What is Ecell at equilibrium? [Ni²+] at equilibrium: [Co²+] at equilibrium: (round to 2 decimal places) (round to 2 sig figs) (round to 2 sig figs) M M M
A galvanic cell consists of a Ni/Ni²+ half-cell and a Co/Co²+ half-cell with initial concentrations: [Ni²+] = 0.80M and [Co²+] = 0.20 M at 298.15 K. half-reaction Eº (V) Ni²+ (aq) +2e→Ni(s) -0.25 Co²+ (aq) +2e→Co(s) -0.28 Write the balanced overall reaction that powers the cell. Calculate Ecell for the redox reaction. (round to 2 decimal places) What is [Ni²+] when Ecell when reaches 0.03V? (round to 2 sig figs) V What happens at equilibrium? What is Ecell at equilibrium? [Ni²+] at equilibrium: [Co²+] at equilibrium: (round to 2 decimal places) (round to 2 sig figs) (round to 2 sig figs) M M M
Chapter18: Introduction To Electrochemistry
Section: Chapter Questions
Problem 18.18QAP
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