0:00 Characteristic energy/diameter
0:15 (Estimating char. energy)
0:45 Estimating char. diameter
1:35 Example: Ethanol molar volume
2:07 From molar volume to diameter
3:23 Example: Benzene in air
4:01 Solution
5:45 When use contribution method?

Explains how to estimate the characteristic collision diameter using the Shroeder Contribution Method. The characteristic collision diameter is needed when estimating the mass diffusivity.