Chapter 6, Problem 6D.3AE

(i)

Interpretation Introduction

Interpretation:

The standard cell potential, the standard Gibbs energy and the enthalpy is to be calculated for the cell $\text{Ag}\left(\text{s}\right)|{\text{AgNO}}_{\text{3}}\left(\text{aq}\right)||\text{Cu}{\left({\text{NO}}_{\text{3}}\right)}_{\text{2}}\left(\text{aq}\right)|\text{Cu}\left(\text{s}\right)$ at $\text{25}\text{°C}$.

Concept Introduction:

The standard cell potential of a couple is the potential of the couple with respect to the potential of the standard hydrogen electrode.  It is the potential of the cell under standard conditions of temperature, pressure and concentrations.

(ii)

Interpretation Introduction

Interpretation:

The value of ${\Delta }_{\text{r}}G$ at $\text{35}\text{°C}$ is to be estimated.

Concept Introduction:

The energy in a chemical reaction that can be used to useful work is called reaction Gibbs energy.  It is denoted by the symbol, ${\Delta }_{\text{r}}G$.  In this symbol, $\Delta$ signifies derivative and not difference.