Molecules in Motion Physical Chemistry CHM 351Dr Erdal OnurhanSlide 1 Flux vs. Density of Property We get transport when there is a gradient of the density of the property. Transport and density are in opposite directions. Transport is measured by flux Density of Property Flux

Molecules in Motion Physical Chemistry CHM 351Dr Erdal OnurhanSlide 2 Diffusion

Molecules in Motion Physical Chemistry CHM 351Dr Erdal OnurhanSlide 3 Viscosity

Molecules in Motion Physical Chemistry CHM 351Dr Erdal OnurhanSlide 4 Effusion Collision with hole will result in the effusion of the gas into vacuum. Rate of Collision=Rate of Effusion

Molecules in Motion Physical Chemistry CHM 351Dr Erdal OnurhanSlide 5 Viscosity vs. Temperature

Molecules in Motion Physical Chemistry CHM 351Dr Erdal OnurhanSlide 6 Test of Kohlrausch’s Law

Molecules in Motion Physical Chemistry CHM 351Dr Erdal OnurhanSlide 7 Drift Speed