Lawrie Ryan and Roger Norris Solutions for Chapter: Entropy and Gibbs Free Energy, Exercise 1: BEFORE YOU START

Define the chemical term: system.

Define the chemical term feasible.

Define the chemical term bond rotation.

Define the chemical term bond stretching.

Explain Hess's law.

Why it is important to take the state (solid, liquid, or gas) into account when you are carrying out calculations involving enthalpy changes?

Give an example of a chemical reaction involving at least one compound as a reactant and explain how to calculate the enthalpy change of this reaction (remember to take note of the stoichiometry of the reaction)?
 

Explain how to calculate the standard cell potential, ${\mathrm{E}}_{\mathrm{cell}}^{⊝}$, for the cell reaction:

${\mathrm{Fe}}^{3+}+{\mathrm{I}}^{-}\to {\mathrm{Fe}}^{2+}+\frac{1}{2}{\mathrm{I}}_2$.