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Is nylon-6,10 strong enough to be used as rope, why or why not?
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- Suggest a net reaction for the production of nitroglycerin, C3H5(NO3)3, from glycerin, C3H5(OH)3.Why is sodium carbonate used in the reaction to prepare Nylon-6,10?(5) One of Prof Cunningham's former students wrote his doctoral dissertation about a new technology to clean up soil contaminated by certain types of chemicals. One of the chemicals we tested in the lab was 1,2,4,5-tetrachlorobenzene (TECB). (a) Draw the chemical structure of 1,2,4,5-tetrachlorobenzene. (b) When we started working on the project, we thought maybe TeCB would be de- stroyed according to first-order kinetics, but we weren't sure. Below are two tables of actual data that the student collected in the laboratory. The two data sets were collected under different experimental conditions. For each of the two experiments, determine if the disappearance of TeCB is zero-order, first-order, second-order, or something else. Specify the value of the rate constant (ko, k1, or k2, as appropriate). Be sure to give the right units of k! Table 1: Concentration of TECB vs. time, experiment 1 time (min) Conc. (mg/L) 10 20 30 45 5.0 2.93 2.06 0.61 0.28 0.057 Table 2: Concentration of TECB…
- (c) Compare and contrast the physical properties and mechanical behavior of typical polymers in the following classes of materials: (i) flexible plastics (ii) rigid plastics (iii) fibers (iv) elastomersWhat are the characteristics of Biodegradable Polymers ? Explain importance of this as well ?What is the oxidation number of C in CCl4?
- What volume of groundwater containing 2 mg l−1 dissolved oxygen (DO) would be required to oxidize 23 liters of octane that leaked out of an underground storage tank (UST) and into an unconfined aquifer?Use the balanced synthesis equatuon of cyolite to answer these two questions? If 13.7 kg of Al2O3(s),13.7 kg of Al2O3(s), 58.4 kg of NaOH(l),58.4 kg of NaOH(l), and 58.4 kg of HF(g)58.4 kg of HF(g) react completely, how many kilograms of cryolite will be produced? What is the total mass of the excess reactants left over after the reaction is complete?What kind of crystalline solid is Alumna (Al2O3)?
- Give the balanced chemical equation when reacting C5H12O with H3O+Cl-(a) What is a monomer? (b) Which of these molecules canbe used as a monomer: ethanol, ethene (also called ethylene),methane?4. A polymer with a chemical formula C,HyN, has a chemical composition of 62.07% C, 13.79% H and 24.14% N. It has a molecular weight of 116 g mol·l. The molecular weight distributions of this polymer is given as: Molecular Weight Range (g mol·') 2000 – 2500 Number Fraction 0.04 2500 – 3000 0.25 3000 3500 0.30 3500 – 4000 0.42 4000 – 4500 0.08 4500 – 5000 0.02 Determine the following: Empirical formula of the polymer. b. Molecular formula of the polymer. Name the polymer. d. Number average molecular weight. Degree of polymerization. a. c. е.