Q6. 2/2 points (a)What are the chemical formulas for the compounds below ? Are the compounds...
Example: The linear polymer 6,6-nylon is to be produced by combining of hexamethylene diamine [NH2-(CH2)6 NH2l with adipic acid. Calculate the degree of polymerization if the product has a molecular weight of 120,000 g/mol. O HH H H O но-с-с-с-с-с-с-он adipic acid
What is the theoretical yield of the below reaction: Theoretical Yield: Hydroquinone Terephthaloyl Polymer Product Chloride C14H9O Molecular C$HO2 CsH4O2Cl2 Formula 203.02 g/mol 110.11 g/mol 327.39 g/mol Molecular Weight Quantity 1.01 g 1.59g
Question 3 (5 points): A student is performing a 1:1 stoichiometric polymerization of 1,4-diamonobutane with sebacoyl chloride. H2 H2 C -NH2 4 sebacoyl chloride 1,4-diaminobutane a) Neglecting the effects of end groups on molar mass, calculate the extent of reaction required to produce this polymer with a number-average molar mass of 25 kg. molel b) The student performed experiments for measuring the molecular weight of the synthesized polymer. It was found that the determined molecular weight was lower than the...
Polystyrene can be polymerized from the starting monomer (styrene) pictured below. a. Anionic polymerization is one method of polymerization that can be used to generate polystyrene from styrene. Explain what type of initiator should be used for this reaction and draw an example of a styrene monomer that has reacted with initiator. b. Using this anionic polymerization method and a starting concentration of 1M styrene and 1mM initiator, what degree of polymerization (Xn) would you expect if you use up...
for the perovskite structure (shown below) 14. Coordination numbers of Ti". Ba?' and are, respectively: a. 6, 6, and 6 b. 12,6, and 6 c. 6, 16, and 8 d. 6, 12, and 6 15. In the cesium chloride (CCI) structure, cations are located at a cach of the corners of cubes b. the centre of cubes c. interior tetrahedral sites d. interior octahedral sites 16. Low density polyethylene (LDPE) is a. a linear polymer b. a branched polymer c....
Question 30 (2 points) What are the expected major products of the reaction sequence shown below? 1. 03 2. H20 e OH O=C=0 OH II III IV V O a) I and IV Ob) II, III and IV Oc) I and II O d) 1, III and IV Question 31 (2 points) A compound with a molecular formula of C10H1202 has the following 'H NMR spectrum. Which of the following structures is consistent with this spectrum? 2 o OCH2CH2CH3 0...
2. (3 points) Consider molecules shown below: CH3 CHs CH CHs CHs CI CCI CH CI CH CI- H-CCI H-CCI Н-с—н HCH H-CH H--CH H-CH H-CH HCCI CI H H Н-С—СI CI Cн, CHs CH CHs CH3 E D. C. A (a) Identify all pairs of diastereomers. CAACBE (b) Identify all meso compounds. (c) Identify all pairs of enantiomers. (A (810le AOLBO
Question 5 (2 points) For which of the following compounds will the M+2 peak intensity be equal to the intensity of the molecular ion peak M? a) CH3CH2CH OH 0 b) CHỊCH CHANH, Oc) CH3CH2CH_Br d) CH,CH2CH2C1 Question 6 (2 points) What is the product of the reaction below? "OH PCC o OH O OH TV a) Obiy c)
PART 2. Written Short Answers. (58 points) 22. (10 points) Write the full chemical name for each of the compounds listed below: a) MgF2 b Feo, diom trioxidlX c) HiPOs (ag) d) H,N (ag) 23. (10 points) Write the correct chemical formula for each of the compounds listed below N(n) a) nitrous acid b) ithium bicarbonateLiCn x CaBr X c) caleium bromide d)gold(I) oxide- e) tetraphosphorus trisulfideTy (BONUS) sodium bromite 24. (12 points) Write the complete and balanced chemical equation...
1.) (9 points) Give structures for the following compounds: a) meta-phenylphenol b) 6-benzyl-3-heptanol e) ortho-sec-butyltoluene 2.) (9 points) Name the following compounds: 3.) (8 points) Label the following molecules as aromatic, anti-aromatic, or non-aromatic. For the ones th aren't aromatic, explain why they are either non-aromatic or anti-aromatic. 0.8 4.) (11 points) For the following electrophilic aromatic substitution reaction: Вт, FeBr; a) Which product is the major one? b) Draw a complete mechanism for the formation of the major product...