3. Provide the trimer and its mechar mation for nes below produ cal ihitiated and cationic polymerization. A trimer has three monomers in the polymer. Your product polymer should have complete octets. heat
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- 1. Write down all the steps of the reaction of 2-Methyl-2-hexene with sulfuric acid and name the product formed. Will provide helpful ratings for correct solution.1.- Why are carbon nanotubes and graphene currently considered as reinforcing additives for polymers? What effect do they have on the polymer? What is the mechanism by which they can enhance the Young’s modulus and tensile strength of a polymer? 2.- Kapton is the trade name of a polyimide a) How would you synthesize this polymer? b) During the first stage of the reaction, poly(amic acid) is formed. If you need to follow this stage of the polymerization, what spectroscopic techniques would you use and what groups should you focus on? c) How would you form Kapton films, which can be used as support for solar sails? d) What are the disadvantages of Kapton that have limited their use? Why does this polymer present this weakness?3.- Explain the variables in the Carothers equation, and its physical meaning. How can this equation be used to control a step polymerization and its molecular weight? 4.- Explain why an acid catalyzed polyesterification proceeds at a faster rate than a non-catalyzed polyesterification. Use: a) mechanism of the reaction from a synthetic perspective, and b) Carothers equation to start your discussion, followed by any other equation that explains it from a kinetic standpoint.
- What would the mechanism be to get from the starting material to the product?Given this organic synthesis, is there any limiting and excess reagents? also describe the procedure is run, how is the reaction monitored?Is the order fo addition important? N-ETHYLALLENIMINE[Aziridine, 1-ethyl-2-methylene-] Submitted by Albert T. Bottini and Robert E. Olsen1.Checked by Thomas H. Lowry and E. J. Corey. 1. ProcedureCaution! This preparation should be carried out in a good hood to avoid exposure to ammonia. The operator should wear rubber gloves and protective goggles because 2-haloallylamines and ethylenimines can cause severe skin and eye irritation. A 2-l. three-necked flask is fitted with a sealed mechanical stirrer, a gas-inlet tube, and a dry ice condenser protected from the air by a soda-lime drying tube (Note 1). The system is flushed thoroughly with dry ammonia, and 32.8 g. (0.84 mole) of sodium amide (Note 2) is added to the flask. The system is again flushed with ammonia, the condenser is provided with dry ice covered by acetone, and 1.2 l. of liquid…Please propose a synthesis of the target molecule using as many steps or reagents and answer these questions. 1. Why use chemoselectivity as the functional group and not another? 2. Why regioselectivity? 3. Why stereoselectivity? 4. What are the changes in the oxidation state?
- Suggest a series of rxns to get from the starting materials to the productGive the mechanism and product for the reaction below.Please show the product and mechanism for the cationic polymerization of 2-butene using BF3/H2O to catalyze polymerization. Do you expect this to be an effective polymerization strategy for this monomer? Why or why not?
- Synthesis of vinyl acetate from ethylene, acetic acid and oxygen over a Palladium catalyst Why is this the best way to produce vinyl acetate? mention 6 reasons for that ( in points)Chlorobenzene give reaction with kmno4 or not??Can someone explain the answers to 28, 29, and 30? The answers are B, A, A. I understand lindar catalyst makes cis alkenes and Na/NH3 makes trans alkenes but I dont understand how the second step of Br2, OsO4 influences the stereochemistry between the 2 . Will rate quickly if helpful. Thanks!