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Interpretation:
The spontaneity of a process depends on several factors; one of the several factors is entropy. When the change in entropy of a process is negative, the process is said to be spontaneous.
Concept introduction:
Entropy is referred to as the 'state of disorder' of a system. Also, entropy is a measure of the energy of atoms and molecules in a process and can be defined in terms of statistical probabilities of a system or in terms of the other
When the change in entropy of a process is negative, the process is said to be spontaneous due to increase randomness of the system. When the change in entropy of a process is positive, the process is said to be non-spontaneous due to decrease in randomness of the system. The change in entropy occurs during phase transitions, precipitation reactions etc.
The change in entropy is defined as the difference between the entropies of the final and initial states:
Given:
To determine:
To determine the sign of
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Chapter 17 Solutions
Chemistry
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