20. Electrochemistry
Cell Potential: The Nernst Equation
Multiple Choice
Multiple ChoiceIf [Br–] = 0.010 M and [Al3+] = 0.022 M, predict whether the following reaction would proceed spontaneously as written at 25ºC:
Al (s) + Br2 (l) ⇌ Al3+ (aq) + Br– (aq)
Standard Reduction Potentials
Al3+ (aq) + 3 e– → Al (s) E°red = –1.66 V
Br2 (l) + 2 e– → Br– (aq) E°red = +1.09 V
A
2.90 V
B
2.60 V
C
3.03 V
D
2.75 V
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