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Calculate Δ\Delta G for an Electrochemical Cell Reaction That Occurs Under Basic

Question 51

Multiple Choice

Calculate Δ\Delta G Calculate  \Delta G  for an electrochemical cell reaction that occurs under basic aqueous conditions based on the following two half-reactions for which the standard reduction potentials are given.Use the smallest whole-number coefficients possible when balancing the overall reaction.  Cd(OH) 2 + 2e<sup>-</sup>  \rightarrow  Cd + 2 OH<sup>-</sup>  \quad \quad \quad \quad  -0.824 V NiO(OH)  + H<sub>2</sub> O +e<sup>-</sup> \rightarrow  Ni(OH) 2 +OH<sup>-</sup>  \quad  +1.32 V A) (-669 kJ)  B) (+95.7 kJ)  C) (-95.7 kJ)  D) (-414 kJ)  E) (+414 kJ)  for an electrochemical cell reaction that occurs under basic aqueous conditions based on the following two half-reactions for which the standard reduction potentials are given.Use the smallest whole-number coefficients possible when balancing the overall reaction.
Cd(OH) 2 + 2e- \rightarrow Cd + 2 OH- \quad \quad \quad \quad -0.824 V
NiO(OH) + H2 O +e- \rightarrow Ni(OH) 2 +OH- \quad +1.32 V


A) (-669 kJ)
B) (+95.7 kJ)
C) (-95.7 kJ)
D) (-414 kJ)
E) (+414 kJ)

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