HOMEWORK#1Submission deadline: Wednesday, January 14, 2015CHE130

I-1. Differentiate unit operation from unit process and give examples of each.2. What are the three fundamental transport processes? Differentiate each.3. Do some research on the kinetic theory of gases and Chapman-Enskog theory. What are the its

applications?4. What is the Lennard-Jones potential?

II-1. The viscosity of isobutene at 23C and atmospheric pressure is 7.6 x 10-6 Pa-s. Compare the

value to that calculated by the Chapman-Enskog approach.2. Calculate the diffusivity of methane-ethane system at 110F and 1.7 psia.3. Do a shell momentum balance in each of the following situations:

<a> flowing liquid inside a pipe<b> a falling film<c> water in a double pipe heat exchanger < annular region>