This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the main difference between High Density PolyEtyhlene (HDPE) and Low Density ... (Read 39 times)

viki

  • Hero Member
  • *****
  • Posts: 525
on: Jul 29, 2018
What is the main difference between High Density PolyEtyhlene (HDPE) and Low Density PolyEthylene(LDPE)?
 
  A) HDPE has very long chains packed close together; LDPE has long chains that are branched and do not pack together well.
  B) One is made from high density ethylene, the other from low density ethylene.
  C) HDPE has very long chains packed close together; LDPE has short chains that do not pack together well.
  D) HDPE is more useful than LDPE.
  E) LDPE is more useful than HDPE.

Question 2

What is one thing that all monomers of addition polymers have in common?
 
  A) The monomer has to have at least one double bond.
  B) The monomer has to have at least two functional groups (though they can be the same).
  C) The monomer has to have at least two functional groups (though they must be the different).
  D) The monomer has to be very small.
  E) The monomer has to have a number of polymer components.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kaykay69

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


viki

  • Member
  • Posts: 525
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Structure of cellulose, the main macromolecule of the primary cell wall Structure of cellulose, the main macromolecule of the primary cell wall
(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr (a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ... This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ...
Rank-order correlations show that differential consistency remains high from childhood through late ... Rank-order correlations show that differential consistency remains high from childhood through late ...
The high-voltage disconnect switch is in the trunk area on a Toyota Prius. High-voltage lineman’s ... The high-voltage disconnect switch is in the trunk area on a Toyota Prius. High-voltage lineman’s ...
Cloud Types: High Clouds Cloud Types: High Clouds
Video: Sperm Formation

For a complete list of videos, visit our video library