A galvanic cell consists of one half-cell that contains Ni(s) and Ni+2(aq), and one half-cell that contains I2(s) and I-(aq). What species are produced at the electrodes under standard conditions? Ni2+(aq) + 2 e- → Ni(s) E° = -0.26 V I2(s) + 2 e- → 2 I-(aq) E° = +0.54 V