1. 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

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

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

4. 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

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

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

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