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1. a) How are Polymers classified?
b) Define polymerization. Differentiate addition and condensation polymerization.
2. a) Explain the free radical mechanism of addition polymerization taking ethylene as a monomer.
b) Give the synthesis and applications of Teflon.
3. a)Differentiate between thermoplastics and thermosetting plastics.
b)What is glass transition temperature?Discuss the following factors affecting GTT
i) Flexibility ii) Intermolecular forces.
4. a) Explain the manufacture and applications of the following high polymers:
i)Polymethylmethacrylates (plexi glass) ii) polyurethanes.
b) What are elastomers? Mention the advantages of synthetic rubber over natural rubber.
5. a) What are the deficiencies of natural rubber? What is vulcanization of rubber.
b) Explain the manufacture of Silicone rubber. Mention their applications.
Write balanced chemical equations for each of the following reactions, omitting (where relevant) all spectator species. (a) Solid calcium dissolves in dilute perchloric acid (HC
can you do my assignment as the deadline is sunday night?
For a substance explained by the van der Waals equation of state with a constant heat capacity CV : 1) Find the internal energy U(T, V ), relative to a reference state at some T
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What is migration current in polarography?
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PROCEDURE : Visit the preparation room of the lab (Physics/Chemistry/Zoology/I3otany), you studied in Exercise 1 and note its features. To make your study easy and to guide you, w
Vander Waal''s equation written in c language
Acetaldehyde production plant design
Explain Eddy Current Losses Eddy Current Losses The core of a generator armature is made from soft iron, which is a conducting material with desirable magnetic sort. Any con
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