The given reaction involves the calculation of entropy in a thermodynamic system. Concept introduction: Entropy of a system can be loosely connected with the level of disorder or randomness in a thermodynamic setting. It describes the change in the status of a system and is a measure to quantify the molecular disorder and the amount of energy wasted during the transformation of energy from one state to another. Given: We are given a reaction in which molecule of AB 3 combine with molecules of A 2 to form AB molecule. We need to write the balanced equation for the reaction and find the sign of change in entropy of the reaction. The entropy of an isolated system never reduces spontaneously as per the second law of thermodynamics .

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Chapter 17, Problem 17.28CP

Interpretation Introduction

Interpretation:

The given reaction involves the calculation of entropy in a thermodynamic system.

Concept introduction:

Entropy of a system can be loosely connected with the level of disorder or randomness in a thermodynamic setting. It describes the change in the status of a system and is a measure to quantify the molecular disorder and the amount of energy wasted during the transformation of energy from one state to another.

Given:

We are given a reaction in which molecule of AB₃ combine with molecules of A₂ to form AB molecule. We need to write the balanced equation for the reaction and find the sign of change in entropy of the reaction. The entropy of an isolated system never reduces spontaneously as per the second law of thermodynamics.

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