In this worksheet, we will practice calculating the standard change in Gibbs free energy from the cell potential of an electrochemical cell.

Q1:

Using the standard electrode potentials in the table, calculate to 3 significant figures the standard free energy change at for the reaction shown.

Half-Equation

Standard Electrode Potential, (V)

Q2:

What is the standard free energy change for
the following reaction at ?

Half-equation

Standard electrode potential, (V)

Q3:

For a galvanic cell with
of 15 kJ/mol,
where , what is the standard cell potential?

Q4:

For a galvanic cell with
of
kJ/mol,
where , what is the standard cell potential?

Q5:

For a standard cell potential of 0.000 V, where , what is the for the cell?

Q6:

In an electrochemical cell, the transfer of 2 electrons from
1 mol
of reductant to 1 mol
of oxidant produces a standard cell potential
of +0.434 V.
Calculate the value of for this cell.

Q7:

For a standard cell potential of
V
where , what is the
for the cell?

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