a.
Interpretation:
The point at which the given reaction is spontaneous needs to be explained.
Concept introduction:
The reaction become spontaneous if the Gibbs free energy change is negative.
a.
Answer to Problem 97A
The given reaction will be spontaneous at relatively high temperatures.
Explanation of Solution
At high temperatures, vaporization is spontaneous due to its free energy change being negative.
b.
Interpretation:
The point at which the given reaction is spontaneous needs to be determined.
Concept introduction:
The reaction become spontaneous if the Gibbs free energy change is negative.
b.
Answer to Problem 97A
The given reaction will be spontaneous at relatively low temperatures.
Explanation of Solution
At low temperatures, condensation is spontaneous due to its free energy change being negative.
c.
Interpretation:
The point at which the given reaction is spontaneous needs to be determined.
Concept introduction:
The reaction become spontaneous if the Gibbs free energy change is negative.
c.
Answer to Problem 97A
The given reaction will be spontaneous at relatively high temperatures.
Explanation of Solution
At high temperatures, melting is spontaneous due to its free energy change being negative.
Chapter 15 Solutions
Chemistry: Matter and Change
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