the value of Δ r S ∘ for the given reaction is to be identified from the given options. Concept introduction: In Spontaneous process, energy transfer from higher concentration to lower, or the energy is dispersed. Entropy (S) is the quantity to measure the dispersal of energy in the spontaneous processes. Δ r S ∘ is the change in entropy at standard condition and it is calculated by sum of the product of stoichiometric coefficients and molar entropies of products minus sum of the product of stoichiometric coefficients and molar entropies of reactants. That is, Δ r S ∘ = ∑ n S ∘ ( p r o d u c t s ) − ∑ n S ∘ ( r e a c tants)

BuyFind

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
BuyFind

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

Solutions

Chapter 18.4, Problem 3RC
Interpretation Introduction

Interpretation: the value of ΔrS for the given reaction is to be identified from the given options.

Concept introduction:

In Spontaneous process, energy transfer from higher concentration to lower, or the energy is dispersed.

Entropy (S) is the quantity to measure the dispersal of energy in the spontaneous processes.

ΔrS is the change in entropy at standard condition and it is calculated by sum of the product of stoichiometric coefficients and molar entropies of products minus sum of the product of stoichiometric coefficients and molar entropies of reactants. That is,

ΔrS=nS(products)nS(reactants)

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