States of Matter & Gas Laws
3 terms
Van der Waals Equation
States of Matter & Gas Laws
Various
A modified equation of state that corrects the ideal gas law for molecular volume and intermolecular attraction.
(p + an²/V²)(V − nb) = nRT
Vapour Pressure
States of Matter & Gas Laws
Pa
The pressure exerted by a vapour in dynamic equilibrium with its liquid or solid at a given temperature.
ln p = −ΔH_vap / RT + C
Viscosity
States of Matter & Gas Laws
Pa·s
A liquid's resistance to flow, arising from internal friction between adjacent layers of molecules.
F = ηA (dv/dx)