engineering chemistry MCQ #2762

For a certain cell, ΔG = -100 kJ at 298 K. If 'n' = 2, what is E_cell?

engineering chemistry MCQ #2762

  1. Question 1

    Q1. For a certain cell, ΔG = -100 kJ at 298 K. If 'n' = 2, what is E_cell?

    • A) 0.52 V
    • B) 0.62 V
    • C) 0.72 V
    • D) 0.82 V

    Answer: 0.52 V

    Explanation: ΔG = -nFE_cell, so E_cell = -ΔG / nF = 100000 / (2 * 96500) = 0.52 V.