Experiment 9 Oil, Water, and Chocolate Mousse


Overview | Module | Background | Procedure | Report

Background

 

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Organic chemistry is based on the reactions of carbon-based molecules.  One of the most common of these molecules that we deal with in every day life is the hydrocarbonHydrocarbons are structures that are composed entirely of two types of elements: hydrogen and carbons.  In the real world we use hydrocarbons as fuels.  The oils and gasoline that fuel our cars are predominantly composed of hydrocarbons

CxHx

One of the unfortunate side effects of using these hydrocarbon-based fuels is that they pose a significant risk to our environment.  Oil spills seem to occur on a far too regular a basis and we as chemists need to be prepared to deal with those spills.

Because most oil spills occur in water (normally a tanker runs aground or springs a leak), it becomes essential to understand the difficulties involved with separating the oil from the water.  You might think that this would be rather simple because the non-polar oil does not mix with the polar water, but the fact is that it is quite difficult and good chemical separations can often do more harm than good. 

In today’s lab we are going to simulate an oil spill and then using both chemical and non-chemical methods in an attempt to clean it up.  For safety’s sake we will not be using crude oil but rather simulated crude oil created by combining vegetable oil and cocoa powder.  Keep in mind that crude oil is much more difficult to work with and clean up.

 

 

 


Overview | Module | Background | Procedure | Report