Some of these substances have great practical use. For example, detergents are molecules which can dissolve in water, but they also have a nonpolar portion which dissolves in oil. Water solutions of detergents can therefore form emulsions with oils and fats. Many chemical analyses, especially those involving the separation of substances, depend on the appropriate choice of solvent. Foods such as peanuts are mixtures of chemicals which have properties similar to those of the pure substances above.
Peanuts contain, among other things, proteins and oil.
One method for separating these components is based on solubility differences. Consult your text or a handbook if necessary. Arrange the liquids in question 1 in order of increasing polarity. Draw one isomer each for hexane, acetone and ethanol. Record a few physical properties of each solute.