Chapter 15, Problem 15.51QP

Interpretation Introduction

Interpretation:

The vapor pressure value $\left({\text{P}}_{{\text{H}}_{\text{2}}\text{O}}\right)$ should calculate given the statement of entropy process $({\text{ΔG}}^0)\text{}$ at 25⁰C.

Concept Introduction:

Entropy $({\text{ΔG}}^0)$: The entropy is second law of thermodynamics it indicated for $({\text{ΔG}}^0)$ symbol, the many of chemical reactions cause changes in entropy and it plays on important role in determining in which direction (forward and backward) a chemical reaction spontaneously proceeds.

Kp and Kc: This equilibrium constants of gaseous mixtures. However, the difference between the two constants is that Kc is defined by molar concentrations, whereas Kp is defined by the partial pressures of the gasses inside a closed system.

Vapor pressure (Kp): This is thermodynamic state function and the vapor-liquid equilibrium explain as the distribution of chemical species between the liquid phase to gas phase.