.Chemical.Components.GasSolubility

Information

Gaseuous substance dissolition in liquid (Henry's law, Raoult's law, Nernst dissolution in one).

Equilibrium equation

KH =xL / xg 

Henry's coefficient, Raoult's coefficient

ΔsolG = ΔfGL - ΔfGg = ΔsolH - T·ΔsolS = -R·T·log(KH· (fL / fg))

molar Gibb's energy of the dissolition

ΔsolH = ΔfHL - ΔfHg

molar enthalpy of the dissolition

ΔsolS = ΔfSL - ΔfSg = k·logsolω)

molar entropy of the dissolition

Notations

xL

mole fraction of the substance in the liquid

xg

mole fraction of the substance in the gas

fL

activity coefficient of the substance in the liquid

fg

activity coefficient of the substance in the gas

ΔfHL

molar enthalpy of formation of the substance in the liquid

ΔfHg

molar enthalpy of formation of the substance in the gas

ΔfSL

molar entropy of formation of the substance in the liquid

ΔfSg

molar entropy of formation of the substance in the gas

ΔsolG

molar Gibbs energy of dissolvation of the substance in the liquid

Δsolω

change of number of microstates of particles by dissolution

Revisions

2009-2015

by Marek Matejak, Charles University, Prague, Czech Republic


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