Equations of state#

The ideal gas law, van der Waals, Redlich-Kwong, and Peng-Robinson equations of state, and Lewis fugacities computed from them.

Clapeyron’s ideal gas law, PV = RT

Clapeyron's ideal gas law, PV = RT

Andrews and van der Waals: continuity of the liquid and gas states

Andrews and van der Waals: continuity of the liquid and gas states

Redlich-Kwong isotherms of CO2 against van der Waals and the ideal gas

Redlich-Kwong isotherms of CO2 against van der Waals and the ideal gas

Peng-Robinson: vapor pressures from the acentric factor

Peng-Robinson: vapor pressures from the acentric factor

Lewis fugacity: the effective pressure of a real gas

Lewis fugacity: the effective pressure of a real gas