Chapter 17, Problem 17.146CP

Interpretation Introduction

Interpretation:

‘Following values’ should be identified

Standard molar entropy(S^o)of O₂ at 25^oC for the following reaction:

$2KCl{O}_3\left(s\right)\to 2KCl\left(s\right)+3O_2(g)$

Concept introduction:

Standard molar entropy (S^o) can be calculated using the formula below

$\Delta S^0=\frac{\Delta H^0-\Delta G^0}{T}$

Where,

$\Delta H^0$ is the reaction enthalpy

and $\Delta G^0$ is the reaction Gibbs free energy

Moreover,

$\Delta H^0=\Delta H^0(products)-\Delta H^0(reac\tan ts)$