The reason for the cooling of the solution when salt (NaCl) dissolves in water, even if it is a spontaneous process. Introduction: A spontaneous reaction can be defined as the reaction thatproceeds with the release of energy whenever any physical or chemical change takes place. According to the second law of the thermodynamics , the spontaneous processes result in the increase in the total disorder of the system and its surroundings (combine to form universe). The entropy (S) is the state function that measures the disorder of the universe.

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Chapter 4, Problem 42SA

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The reason for the cooling of the solution when salt (NaCl) dissolves in water, even if it is a spontaneous process.

Introduction:

A spontaneous reaction can be defined as the reaction thatproceeds with the release of energy whenever any physical or chemical change takes place. According to the second law of the thermodynamics, the spontaneous processes result in the increase in the total disorder of the system and its surroundings (combine to form universe). The entropy (S) is the state function that measures the disorder of the universe.

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