Electrochemical cells (1) (AHL) answers

IB Chemistry: Electrochemical cells (1) (AHL) answers

Answers to Electrochemical cells (1) (AHL) questions (b) Positive electrode: silver; Negative electrode: nickel (as the nickel half-cell has a more negative E⦵value than the silver half-cell)(c) Nickel metal is oxidized and silver ions are reduced.(d) 1.06 V (being the difference between – 0.26 V and + 0.80 V)(e) ΔG = − 2 (mol) x 96500 (C mol-1) x 1.06 (V )= − 204580 J = − 205 kJ

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