Comments re Chapter 5 Problems:

5-1

A T/F question about standard states.

5-2

Another T/F question.

5-4

Relationship of DHrxn to the stoichiometry and direction of the reaction. (Review of material from General Chemistry).

5-5

Definition of a formation reaction. (Review of material from General Chemistry).

5-8

Definition of a combustion reaction. (Review of material from General Chemistry).

5-19

A Hess's Law exercise. (Review of material from General Chemistry).

5-24
(a only)

Correction of DHo for a temperature change.

5-30

A quick T/F question that emphasizes the limits of applicability of an equation that is easily memorized.

5-43

Calculation of DGfo from DHfo and absolute entropies.

5-61

Application of definitions.

5-63

Comparisons of S values. (Review of material from General Chemistry).

5-64

Estimation of DHo and DSo values from information about the type of reaction.


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