Author Question: The weight average molecular weight of a polymer was found to be 30,000, and the number average ... (Read 98 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?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

For a complete list of videos, visit our video library