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 233 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
YES! Correct, THANKS for helping me on my review

covalentbond

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand
Deforestation is one of the main sources of greenhouse gas emissions Deforestation is one of the main sources of greenhouse gas emissions
The distribution of high-energy, nutritious biscuits was a lifeline in the first days after the 2010 The distribution of high-energy, nutritious biscuits was a lifeline in the first days after the 2010
What is the density of cesium bromide? What is the density of cesium bromide?
Response of corn selected for high and low oil content over 76 generations Response of corn selected for high and low oil content over 76 generations
Physics - Pressure, Density, Pascal's Principle Physics - Pressure, Density, Pascal's Principle
Video: Hormonal regulation of blood pressure - RAA system

For a complete list of videos, visit our video library