Podcast
Questions and Answers
What is the term used to describe a large molecule composed of repeating small molecule units?
What is the term used to describe a large molecule composed of repeating small molecule units?
- Oligomer
- Polymer (correct)
- Isomer
- Monomer
Which Greek words were used to derive the term 'polymer'?
Which Greek words were used to derive the term 'polymer'?
- Mono and Poly
- Pol and Meridian
- Poly and Meros (correct)
- Poly and Merit
Which term represents the number of repeating monomer units in a polymer's chemical structure?
Which term represents the number of repeating monomer units in a polymer's chemical structure?
- Polymerase
- $n$ (correct)
- R
- Nucleotide
What is the small molecule precursor or building block of polymers called?
What is the small molecule precursor or building block of polymers called?
What is the most common application of polyethylene?
What is the most common application of polyethylene?
What does the chemical structure of polymers typically represent?
What does the chemical structure of polymers typically represent?
Which type of polymerization process involves a straightforward linking together of monomer units, with no loss or gain of material?
Which type of polymerization process involves a straightforward linking together of monomer units, with no loss or gain of material?
Which polymer is denser, stiffer, and harder than polyethene due to the added methyl groups?
Which polymer is denser, stiffer, and harder than polyethene due to the added methyl groups?
Which type of polymers are formed by linking together of bifunctional polymers to give polymer and some small molecules, such as water?
Which type of polymers are formed by linking together of bifunctional polymers to give polymer and some small molecules, such as water?
Which type of polymer can be melted and reshaped by applying heat and pressure due to chains interacting only through intermolecular force?
Which type of polymer can be melted and reshaped by applying heat and pressure due to chains interacting only through intermolecular force?
What type of polymers can be used in making flexible bottles, packaging, toys, films, sheets, and insulation for electric wires?
What type of polymers can be used in making flexible bottles, packaging, toys, films, sheets, and insulation for electric wires?
Which polymer is formed from monomer units vinyl chloride and used in pipes, floorings, garden hoses, and raincoat?
Which polymer is formed from monomer units vinyl chloride and used in pipes, floorings, garden hoses, and raincoat?
Which polymer is formed via condensation reaction between diol and diacids, producing water as a by-product?
Which polymer is formed via condensation reaction between diol and diacids, producing water as a by-product?
Which polymers are produced via addition polymerization?
Which polymers are produced via addition polymerization?
Which polymers are produced via condensation polymerization?
Which polymers are produced via condensation polymerization?
Which class of polymers involves the linking of monomer units with no loss or gain of material?
Which class of polymers involves the linking of monomer units with no loss or gain of material?
Flashcards
Polymer
Polymer
A large molecule made of repeating small units called monomers.
Monomer
Monomer
The small molecule that serves as a building block for polymers.
$n$ (number of repeating units)
$n$ (number of repeating units)
Represents the number of repeating monomer units in a polymer.
Addition polymerization
Addition polymerization
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Condensation polymers
Condensation polymers
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Thermoplastics
Thermoplastics
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Polyethene
Polyethene
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Polyvinylchloride (PVC)
Polyvinylchloride (PVC)
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Polypropene
Polypropene
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Polyester
Polyester
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Polyamide (nylon)
Polyamide (nylon)
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Polyethylene Terephthalate (PET)
Polyethylene Terephthalate (PET)
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Intermolecular forces
Intermolecular forces
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Bifunctional polymers
Bifunctional polymers
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Food packaging
Food packaging
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Chemical structure of polymers
Chemical structure of polymers
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Study Notes
Polymers
- A large molecule composed of repeating small molecule units is called a polymer.
- The term "polymer" is derived from the Greek words "poly" meaning many and "meros" meaning part.
- The degree of polymerization (DP) represents the number of repeating monomer units in a polymer's chemical structure.
- The small molecule precursor or building block of polymers is called a monomer.
- The chemical structure of polymers typically represents a chain of repeating monomer units.
Types of Polymers
- Polyethylene is a type of polymer with a wide range of applications, including packaging, plastic bags, and insulation.
- Polypropylene is a type of polymer that is denser, stiffer, and harder than polyethylene due to the added methyl groups.
- Thermoplastic polymers can be melted and reshaped by applying heat and pressure due to chains interacting only through intermolecular forces.
- Polyvinyl chloride (PVC) is a type of polymer formed from monomer units vinyl chloride and is used in pipes, floorings, garden hoses, and raincoats.
Polymerization Processes
- Addition polymerization is a type of polymerization process that involves the linking of monomer units with no loss or gain of material.
- Condensation polymerization is a type of polymerization process that involves the linking of bifunctional polymers to give polymer and some small molecules, such as water.
- Polyesters are a type of polymer formed via condensation reaction between diol and diacids, producing water as a by-product.
Properties and Applications
- Thermoplastic polymers are used in making flexible bottles, packaging, toys, films, sheets, and insulation for electric wires.
- Polymers produced via addition polymerization include polyethylene and polypropylene.
- Polymers produced via condensation polymerization include polyesters and polyamides.
- Condensation polymers are a class of polymers that involve the linking of monomer units with no loss or gain of material.
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Description
Test your knowledge of polymers with this quiz covering the definition of polymers, different types of polymers, recycling codes for plastics, and examples of polymers and their applications.