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 209 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
Gracias!

flexer1n1

  • Member
  • Posts: 373
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

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

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?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Two main types of nerve cells. Two main types of nerve cells.
Table 6.1 illustrates the main regime types and their differences. It breaks the regimes into four Table 6.1 illustrates the main regime types and their differences. It breaks the regimes into four
Difference between chromosomes, chromatids, and chromatins Difference between chromosomes, chromatids, and chromatins
A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ... A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ...
Physics - Density, Pressure, and Pascal's Principle Physics - Density, Pressure, and Pascal's Principle
Alpine tundra. Low-growing, hardy plants at a high altitude in Washington’s Cascade range. Alpine tundra. Low-growing, hardy plants at a high altitude in Washington’s Cascade range.
Video: Mitochondrial Structure & ETC Protein Complexes (Protein Complexes and Electron Transport)

For a complete list of videos, visit our video library