Chemistry 104 Laboratory
	This Week
Answer Keys Gen Chem Lab Periodic Table	· Expt 4: Green Chemistry, Biodiesel (Part C)
	Next Time
	· Expt 3: Kinetics of the Fading of Phenolphthalein · Quiz 1: Expt 2 (Parts A,B); Expt 7
	Notes for Today
	Goal: Determine Conditions for Producing Good-Quality Biodiesel Review: Biodiesel Synthesis Reaction Tests for Biodiesel Quality Density How to measure What does it mean if density is ‘high’? ‘low’? Viscosity How to measure Why viscosity matters in engine performance vs. Emulsion Test impure oil oil+water emulsion What causes an emulsion to form? What does presence/absence of emulsion tell you? Safety and Waste Disposal Wear goggles at all times Methanol, oil, and biodiesel are flammable Collect glycerol and (non-emulsified) biodiesel for recycling Glycerol for soapmaking Biodiesel for fueling oil lamps