(a)
Interpretation:
The definition of standard free-energy change should be determined.
Concept introduction:
The relation of total entropy is as follows:
The second law of
(b)
Interpretation:
The definition for standard free-energy of formation should be determined.
Concept introduction:
The relation of total entropy is as follows:
The second law of thermodynamics gives criteria for spontaneity. It states that when the sign of total entropy change is positive, the reaction is spontaneous. When the sign of
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