Chapter 16, Problem 47E

Interpretation Introduction

Interpretation: The reaction between $C_2{H}_2\left(g\right)$, $F_2\left(g\right)$ and the value of $\Delta S^{\circ }$ for this reaction is given. The value of $S^{\circ }$ is to be calculated for $C{F}_4\left(g\right)$.

Concept introduction: Entropy $\left(\Delta S^{\circ }\right)$ is the measure of degree of disorder or randomness.

The expression for $\Delta S^{\circ }$ is,

$\Delta S^{\circ }=\sum n_{\text{p}}{S}^{\circ }{}_{\left(\text{product}\right)}-\sum n_{\text{f}}{S}^{\circ }{}_{\left(\text{reactant}\right)}$