Where Would You Expect to Isolate Molecules in a Fractionating

question 12

Multiple Choice

Where would you expect to isolate molecules in a fractionating tower that have very few interatomic attractions?

• A)near the bottom
• B)near the top
• C)near the middle
• D)Fractional distillation takes advantage of molecular weight.
• E)Fractional distillation takes advantage of the number of isomers.

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Definitions:

Enzyme

Biological molecules that significantly speed up the rate of virtually all the chemical reactions within cells.

Molecule

The smallest unit of a chemical compound that can exist; composed of two or more atoms held together by covalent bonds.

Activation Energy

The minimum energy required to start a chemical reaction.

Enzyme

Biological molecules that act as catalysts to speed up chemical reactions in living organisms.