Watch the video on biodiesel production. It is in three parts, so watch all three parts. It will take less than 30 minutes and will give you a first-hand view of how biodiesel is made in a batch process.
After watching all three parts of the video, go to the Lesson 9 Module in Canvas. Once there, complete Homework #7. It contains four questions that pertain to the Lesson 9 course material.