Organic Chemistry: Structure and Function
Organic Chemistry: Structure and Function
8th Edition
ISBN: 9781319079451
Author: K. Peter C. Vollhardt, Neil E. Schore
Publisher: W. H. Freeman
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Chapter 2.1, Problem 2.2E
Interpretation Introduction

Interpretation: The value of free energy change is to be calculated at 25 °C and reason behind negative value of ΔS° when the reaction turns favorable should be determined.

Concept introduction: The formula that determines spontaneity of the reaction is,

  ΔG°=ΔH°TΔS°

Where,

  • ΔS°denotes entropy change of reaction.
  • ΔH°denotes enthalpy change of reaction.
  • Tdenotes temperature.
  • ΔG°denotes standard Gibbs energy.

Changes in entropy are determined by relative extent of energy dispersal in substrates materials compared products. Higher the magnitude of energy dispersal, the higher is positive ΔS° .

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