Chain Polymerization and Stepwise Polymerization Produce Molecules of Varying Molecular

question 11

Multiple Choice

Chain polymerization and stepwise polymerization produce molecules of varying molecular lengths, resulting in the need to ascertain the number and weight ____ of the distribution.  

• A) polydispersity index
• B) standard deviation
• C) average molecular weight
• D) physical properties

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Definitions:

Crude Oil

A naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials.

Boiling Point

The temperature at which a liquid's vapor pressure equals the external pressure surrounding it, causing the liquid to rapidly vaporize.

Kerosene Components

Kerosene components refer to the mixture of hydrocarbons derived from petroleum, used primarily as fuel in heating and aircraft engines.