Distinguish between High Density Polyethylene (HDPE), Low Density Polyethylene (LDPE) and Linear Low Density Polyethylene (LLDPE) by giving ONE (1) example each.
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- Define Polymers and Polymerization ?Use an example to show how branching and cross linking can affect the physical behavior of a polymer.(b) Polymers play essential and ubiquitous roles in our everyday life because of their broad spectrum of properties. (i) List TWO (2) polymers that you encounter everyday. (ii) Describe the properties of each polymer in (i).
- High-density polyethylene (HDPE) is opaque while low-density polyethylene (LDPE) is transparent. Briefly explain this phenomenon in terms of structure.List TWELVE (12) polymers widely used in high technology application and discuss THREE (3) of the polymers in terms of their production, properties and applications.Complete the table below: Monomer(s) Polymer repeating unit CI 0=0 +c H -C-N-CH-C-CH2-CH+CHN O H CH, CH, CH₁
- (a) What is a monomer? (b) Which of these molecules canbe used as a monomer: ethanol, ethene (also called ethylene),methane?The density difference between low and high-density polyethylene is a result of the difference between branching in the polymer structures at the molecular level. Which of these two polymers tend to be more flexible and is used for lids of containers such as butter tubs?Directions: Answer the following completely. 1. Write the structure of the polymer, tetrafluoroethylene (up to 10 carbons in length). 2. Write the structure of polyvinylchloride (up to 10 carbons in length) 3. Write the structure of polystyrene (up to 10 carbons in length) 4. This is one of the coding symbols adopted by the plastics industry for packaging materials. What is the purpose of these coding symbols?
- (a) Polymers are classified into natural and synthetic polymers. (i) Differentiate between the synthetic and natural polymers based on their mechanical properties. (ii) Give ONE (1) example each for natural and synthetic polymers.b Chemistry x Co. How to Ca x NNSU Logir x PeriodicTa X M Action Rec x 0 mySigTau x G 4.25 ml to x NBA Final X G scientific c X + ow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take [References] Butene, used as the monomer for polybutene, is composed of 85.7% C and 14.3% H by mass. If the density of butene is 2.50 g/L at STP, what is the molecular formula of butene? Submit Answer Try Another Version 2 item attempts remaining tedDefine thermoplastic and thermosetting polymers. Give one example of each.