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Chemistry · Unit 4 · Properties and structure of organic materials · Structure of organic compounds

Explain how properties, including strength, density and biodegradability of polymers can be related to the structures of the materials.

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Question 1

Explain how the strength of high-density polyethylene (HDPE) is related to its structure.

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Question 2

High-density polyethylene (HDPE) is stronger and denser than low-density polyethylene (LDPE), even though both polymers are formed from the same monomer, ethene. Which structural feature best explains this difference in properties?

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Question 3

High-density polyethylene (HDPE) has greater density and tensile strength than low-density polyethylene (LDPE), even though both are formed from the same monomer, ethylene. Which of the following best explains this difference in properties?

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