Table 1.

Order of magnitude of physical properties for gas, supercritical fluid and liquid.

Type of Fluid	Volumetric Mass Density (g∙cm−3)	Viscosity (cP)	Diffusivity (cm−2∙s−1)
Gas	10−3	10−2	0.2
Supercritical state	0.5	5 × 10−2	5 × 10−4
Liquid	1	1	10−5