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- Linolenic acid (Table 10.2) and stearidonic acid are omega-3 fatty acids, unsaturated fatty acids that contain the first double bond located at C3, when numbering begins at the methyl end of the chain. Predict how the melting point of stearidonic acid compares with the melting points of linolenic and stearic acids. A current avenue of research is examining the use of soybean oil enriched in stearidonic acid as a healthier alternative to vegetable oils that contain fewer degrees of unsaturation.In a tabular format, enumerate 5 molecules where the following atoms are found in: O (sp3-hybridized) Oxygen (sp2-hybridized) Nitrogen (sp2-hybridized) Carbon (sp2-hybridized) O (sp3-hybridized) Oxygen (sp2-hybridized) Nitrogen (sp2-hybridized) Carbon (sp2-hybridized) Hydrogen (H2o)Methanol (CH3OH)Methane (CH4)Carbon (C=C)Given the molecular structure of Caprazamycin B (CPB, figure 1), answer the following questions. Figure 1.1 Structure of Caprazamycin B (CPB). 1.1 How many atoms with sp2 hybridisation does CPB have? 1.2 List the functional groups present in CPB.1.3 How many chiral centres does CPB have?1.4 How many different diasteroisomers can CPB have?
- Using your model of butane (CH3CH2CH2CH3) , complete the following graph of the anglebetween the two Me groups vs. potential energy. a. Label each Newman projection of butane on the graph with the words staggered, eclipsed, gauche, and anti, as appropriate. (Note that some structures will have more than one label.) b. Draw a wedge and dash bond representation of butane in its lowest P.E. conformation.Each H↔H eclipsing interaction in ethane costs about 4.0 kJ/mol. How many such interactions are percent in cyclopropane? What fraction of the overall 115 kJ/mol (27.5 kcal/mol) strain energy of cyclopropane is due to torsional strain.Please refer to the Newman projections shown below to when answering questions (a) – (f)
- .....Draw the Newman pr0jecti0ns 0f the three p0ssible staggered c0nf0rmati0ns 0f2,3-dimethylbutane, viewed thr0ugh the C2—C3 b0nd. What are the relativeenergies of each c0nf0rmati0n?Identify the hybridization of carbon atoms numbered 1-6 in the structure below Carbons 1 and 3 are sp3, carbons 2 and 5 are sp2, carbons 4 and 6 are sp hybridized. Carbons 2 and 3 are sp3, carbons 4 and 5 are sp2, carbons 1 and 6 are sp hybridized. Carbons 1 and 2 are sp3, carbons 3 and 6 are sp2, carbons 4 and 5 are sp hybridized. Carbons 3 and 6 are sp3, carbons 4 and 5 are sp2, carbons 1 and 2 are sp hybridized. Carbons 4 and 5 are sp3, carbons 3 and 6 are sp2, carbons 1 and 2 are sp hybridized.The “free-base” form of cocaine (C17H21NO4) and its protonatedhydrochloride form (C17H22ClNO4) are shownbelow; the free-base form can be converted to the hydrochlorideform with one equivalent of HCl. For clarity, notall the carbon and hydrogen atoms are shown; each vertexrepresents a carbon atom with the appropriate number ofhydrogen atoms so that each carbon makes four bonds toother atoms.(a) One of these forms of cocaine is relatively water-soluble:which form, the free base or the hydrochloride?(b) One of these forms of cocaine is relatively insoluble inwater: which form, the free base or the hydrochloride? (c) The free-base form of cocaine has a solubility of 1.00 g in6.70 mL ethanol (CH3CH2OH). Calculate the molarityof a saturated solution of the free-base form of cocaine inethanol.(d) The hydrochloride form of cocaine has a solubility of1.00 g in 0.400 mL water. Calculate the molarity of a saturatedsolution of the hydrochloride form of cocaine inwater.(e) How many mL of a…
- Which is/are correct? a.The dipole moment of propanal is greater than that of 1-butene. b.Carbonyl compounds are more soluble in water than the corresponding alkanes but less than the corresponding alcohols. c.All the choices. d.The boiling points of 2-propanol, propanone, and 2-methylpropene are 82C, 57C, and -7C, respectively.How many chirality centers exist on this molecule? What is the absolute configuration of the primary alcohol in this structure? How many lone pairs are on the structure? How many sp2 hybridized atoms are on the structure?1) What are isomers of haxane.Arrange the isomers in order of increasing boiling points.