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 229 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!

bblaney

  • Member
  • Posts: 323
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

a) Avoid placing the face cradle too high because it hyperextends and strains the neck. b) When the ... a) Avoid placing the face cradle too high because it hyperextends and strains the neck. b) When the ...
Permafrost: High albedo, reflects as much as 90% of the Sun’s energy Permafrost: High albedo, reflects as much as 90% of the Sun’s energy
Main arteries of the leg Main arteries of the leg
Resting Membrane Potential: Voltage Difference Resting Membrane Potential: Voltage Difference
If the density of an unknown gas is 2.59 g/L at STP, what is its molar mass? If the density of an unknown gas is 2.59 g/L at STP, what is its molar mass?
What is the density of cesium bromide? What is the density of cesium bromide?
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library