Author Question: The weight average molecular weight of a polymer was found to be 30,000, and the number average ... (Read 110 times)

TFauchery

  • Hero Member
  • *****
  • Posts: 500
The weight average molecular weight of a polymer was found to be 30,000, and the number average molecular weight of the compound was 20,000 . What is the PDI of the polymer?
 a. 0.0
  b. 1.0
  c. 1.5
  d. 0.5

Question 2

High degrees of crystallinity are associated with polymers with weak intermolecular forces.
 a. True
 b. False
  Indicate whether the statement is true or false



pangili4

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

c

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

For a complete list of videos, visit our video library