Exam 12: Organic Compounds

A common inactive ingredient in products such as sunscreen lotions and shampoo is triethyl amine, also known as TEA. What of the following is the chemical structure for this compound?

Which of the following commonly acts as a base in chemical reactions?

How many structural isomers are there for a compound having the molecular formula C₃H₉N?

Which bond would you rotate around to generate the structure on the right?

In a fractionating tower, the crude oil vapors pass from a pipe still into the column. Tar and lubricating stock are the first components to be pulled off at the bottom. Nearer the top kerosene is pulled off followed by gasoline and finally natural gas at the very top. From this information, which has a higher boiling point, gasoline or kerosine?

Which of the above molecules is a ketone?

Do heavier hydrocarbons tend to produce more or less carbon dioxide upon combustion compared to lighter hydrocarbons? Why?

What is the main difference between High Density PolyEtyhlene (HDPE)and Low Density PolyEthylene (LDPE)?

Why might a high-formula-mass alcohol be insoluble in water?

Which of the monomers below would be used to make the following polymer?

A single carbon atom is bonded to only one other carbon atom and also two hydrogen atoms. How many bonds are formed between the two carbon atoms?

What was a significant reason for the original growth of the synthetic polymer industry?

What was the first synthetically enhanced polymeric hydrocarbon extensively utilized for its material properties?

Which would you expect to be more viscous, a polymer made of long molecular strands or one made of short molecular strands? Why?

What would the formula be for the following stick model?

Which of the following polymers has the same composition as cellophane?

The following reaction is used to make the polymer described below. What is the other starting material?

Why does the melting point of hydrocarbons increase as the number of carbon atoms per molecule increases?

The copolymer styrene-butadiene rubber (SBR), shown below, is used for making tires as well as bubble gum. Is it an addition polymer or a condensation polymer?

The "alcohol" of alcoholic beverages is ________.