A Zn|Zn²⁺||Co²⁺|Co Galvanic Cell Has a Standard Potential E°_cell=0

question 25

Multiple Choice

A Zn|Zn²⁺||Co²⁺|Co galvanic cell has a standard potential E°_cell=0.48 V. Calculate the free energy change at 25°C for every 1.00 g of Zn (M=65.37 g/mol) that is converted to Zn²⁺ at the anode, assuming that all concentrations remain at their standard values of 1.00 M throughout the process.

• A) -93 kJ
• B) -46 kJ
• C) -1.42 kJ
• D) -0.71 kJ
• E) None of the above

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