Chapter 16, Problem 141AP

Interpretation Introduction

Interpretation:

The pH of water at its normal boiling point, using van’t Hoff equation, is to be determined.

Concept Introduction:

The value of equilibrium constant at different temperatures can be calculated using the van’t Hoff equation as

$\ln \frac{K_1}{K_2}=\frac{\Delta H^{\circ }}{R}\left(\frac{1}{T_2}-\frac{1}{T_1}\right)$,

where K₁ is equilibrium constant at T₁ temperature and K₂ is equilibrium constant at T₂ temperature.

$∆$ H⁰ is heat of reaction.