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(3 pts) 1. Consider the following B-diketone compound with three a carbons: A. Which a carbon...
Please help! 4. Suppose Compound B is the conjugate base of Compound A. Calculate the approximate...
Please help!
4. Suppose Compound B is the conjugate base of Compound A. Calculate the approximate concentration of Compound A that must be present in a 0.042 M solution of Compound B to produce a pH of 4.96. The K. for Compound A is 1.8 x 109. Show your work. Round your final answer to the nearest hundredth decimal place. (5pts) 5. Consider the structure below. Then using the empty boxes, answer parts (a)-(e). HO (a) (1 pts) Draw a...
identify which compound is more acidic and explain your choice. or each of the following compounds,...
identify which compound is more acidic and explain your choice. or each of the following compounds, Make sure you include structures of these which compounds in your answers ounds, 1. F (e) 24-Dimethy-3,5-hepanedione or 4, 4-Dimethy)-3,5-heptanedione (b) 1.2-Cyclopentanedione or 1,3-cyclopentanedione 2. When 2-hepten-4-one is treated with LDA, a proton is removed from one of the gamma (z) positions. identily which gamma position is deprotonated, and explain why the y proton is the most acidie proton in the compound. 3. Rank...
Name: Consider the following compound: a. (4 pts) Write its systematic name: b. (2 pts) How...
Name: Consider the following compound: a. (4 pts) Write its systematic name: b. (2 pts) How many equivalents of a Grignard reagent would react with it 2. (3 pts) Consider the following compound: a. (3 pts) In the space above, write the names of all the carbonyl-containing functional groups in it. b. (2 pts) On the structure, circle the two carbonyls that are the most electrophilic (no need to decide which is most vs second-most). Consider the following reaction, whose...
5) (3 pts) Draw an essential -6 fatty acid with 18 carbons and two cis double bonds. Number carbon atoms in this fa...
5) (3 pts) Draw an essential -6 fatty acid with 18 carbons and two cis double bonds. Number carbon atoms in this fatty acid starting at the carboxyl group. 6) (3 pts) Draw an essential 0-3 fatty acid with 18 carbons and three cis-double bonds. Number carbon atoms in this fatty acid starting at the carboxyl group. 7) (3 pts) Draw an unnatural trans-fatty acid arising from partial hydrogenation that contains 14 carbons and two double bonds, one of which...
3) Consider the following structure: a) (6 pts) Draw two additional resonance structures for the following...
3) Consider the following structure: a) (6 pts) Draw two additional resonance structures for the following compound. Show curved arrows to convert between the resonance structures. (You need to redraw the molecule below) b) (4 pts) Circle the major contributor above. Explain your choice 4) (5 pts) For the following compound draw in the lone pairs, indicate if each lone pair is localized or delocalized and identify what type of orbital each lone pair is in
10. (12 pts) Compound A (CeHsNO, one degree of unsaturation) produces ammonia gas uporn heating with...
10. (12 pts) Compound A (CeHsNO, one degree of unsaturation) produces ammonia gas uporn heating with NaOH/M20. When the resulting solution is acidified and extracted wi e compound B is isolated. Compound C is formed when compound B is heated methanol. Reduction of compound C with LiAlH4, tollowed by acid workup yields me and compound D (still containing 6 carbons). The proton and carbon NMR data for b can be found on the following page. with acidic (a) What are...
5. D-sorbital is found in 'sugar-free' chewing gum. It is formed by reducing D-glucose with NaBH Draw the structure of D-sorbital. s. (4 pts) Classify the following amino acid as polar, n...
5. D-sorbital is found in 'sugar-free' chewing gum. It is formed by reducing D-glucose with NaBH Draw the structure of D-sorbital. s. (4 pts) Classify the following amino acid as polar, non- polar, acidic, or basic: 6 (4 pts) The amino acid threonine (thr) has two chiral carbons. Draw a Fischer projection of the 2S,3S configuration of threonine. キ 7.(11 pts) Draw the tripeptide lys-asp-ser at physiological pH 8. (8 pts) The pK, values for aspartic acid are 2.10, 9.82...
1. Consider an organic compound with molecular formula C H:02: a) Draw one constitutional isomer that...
1. Consider an organic compound with molecular formula C H:02: a) Draw one constitutional isomer that has a very small pka. b) Draw a constitutional isomer that is less acidic than the compound from part a). c) Draw a constitutional isomer that has is more basic than the compound in part b). D J AL . ... .... . . .. . . - Predict the stracture of the product formed in the reaction of 3-(3-5cetyl-5-for myl-4- hydroxy Phenyi) Propohoic...
4. (3 pts) The following is one Lewis structure for the Se042-ion (selenate ion). Draw three...
4. (3 pts) The following is one Lewis structure for the Se042-ion (selenate ion). Draw three of the resonance structures for this ion (there are more than three possibilities). :O: 12- :0-Se-Ö: :Ő:
9. For the compound below answer a b and c. a) b) c) (3 pts) is...
9. For the compound below answer a b and c. a) b) c) (3 pts) is the molecule below an aromatic or anti-aromatic estem? (4 pts) How many electrons are in the aromatic anti aromatic bratem? (4 pts). Draw an arrow () to the lone pair electron(s) that are part of the aromatic (or anti-aromatic) system. 10. (18 pts-6 pts each) Fill in the major organic product(s) for the reactions below Br+FeBr ci + CH CH CH .. 3+ AICI:...
Please help!
4. Suppose Compound B is the conjugate base of Compound A. Calculate the approximate concentration of Compound A that must be present in a 0.042 M solution of Compound B to produce a pH of 4.96. The K. for Compound A is 1.8 x 109. Show your work. Round your final answer to the nearest hundredth decimal place. (5pts) 5. Consider the structure below. Then using the empty boxes, answer parts (a)-(e). HO (a) (1 pts) Draw a...
identify which compound is more acidic and explain your choice. or each of the following compounds, Make sure you include structures of these which compounds in your answers ounds, 1. F (e) 24-Dimethy-3,5-hepanedione or 4, 4-Dimethy)-3,5-heptanedione (b) 1.2-Cyclopentanedione or 1,3-cyclopentanedione 2. When 2-hepten-4-one is treated with LDA, a proton is removed from one of the gamma (z) positions. identily which gamma position is deprotonated, and explain why the y proton is the most acidie proton in the compound. 3. Rank...
Name: Consider the following compound: a. (4 pts) Write its systematic name: b. (2 pts) How many equivalents of a Grignard reagent would react with it 2. (3 pts) Consider the following compound: a. (3 pts) In the space above, write the names of all the carbonyl-containing functional groups in it. b. (2 pts) On the structure, circle the two carbonyls that are the most electrophilic (no need to decide which is most vs second-most). Consider the following reaction, whose...
5) (3 pts) Draw an essential -6 fatty acid with 18 carbons and two cis double bonds. Number carbon atoms in this fatty acid starting at the carboxyl group. 6) (3 pts) Draw an essential 0-3 fatty acid with 18 carbons and three cis-double bonds. Number carbon atoms in this fatty acid starting at the carboxyl group. 7) (3 pts) Draw an unnatural trans-fatty acid arising from partial hydrogenation that contains 14 carbons and two double bonds, one of which...
3) Consider the following structure: a) (6 pts) Draw two additional resonance structures for the following compound. Show curved arrows to convert between the resonance structures. (You need to redraw the molecule below) b) (4 pts) Circle the major contributor above. Explain your choice 4) (5 pts) For the following compound draw in the lone pairs, indicate if each lone pair is localized or delocalized and identify what type of orbital each lone pair is in
10. (12 pts) Compound A (CeHsNO, one degree of unsaturation) produces ammonia gas uporn heating with NaOH/M20. When the resulting solution is acidified and extracted wi e compound B is isolated. Compound C is formed when compound B is heated methanol. Reduction of compound C with LiAlH4, tollowed by acid workup yields me and compound D (still containing 6 carbons). The proton and carbon NMR data for b can be found on the following page. with acidic (a) What are...
5. D-sorbital is found in 'sugar-free' chewing gum. It is formed by reducing D-glucose with NaBH Draw the structure of D-sorbital. s. (4 pts) Classify the following amino acid as polar, non- polar, acidic, or basic: 6 (4 pts) The amino acid threonine (thr) has two chiral carbons. Draw a Fischer projection of the 2S,3S configuration of threonine. キ 7.(11 pts) Draw the tripeptide lys-asp-ser at physiological pH 8. (8 pts) The pK, values for aspartic acid are 2.10, 9.82...
1. Consider an organic compound with molecular formula C H:02: a) Draw one constitutional isomer that has a very small pka. b) Draw a constitutional isomer that is less acidic than the compound from part a). c) Draw a constitutional isomer that has is more basic than the compound in part b). D J AL . ... .... . . .. . . - Predict the stracture of the product formed in the reaction of 3-(3-5cetyl-5-for myl-4- hydroxy Phenyi) Propohoic...
4. (3 pts) The following is one Lewis structure for the Se042-ion (selenate ion). Draw three of the resonance structures for this ion (there are more than three possibilities). :O: 12- :0-Se-Ö: :Ő:
9. For the compound below answer a b and c. a) b) c) (3 pts) is the molecule below an aromatic or anti-aromatic estem? (4 pts) How many electrons are in the aromatic anti aromatic bratem? (4 pts). Draw an arrow () to the lone pair electron(s) that are part of the aromatic (or anti-aromatic) system. 10. (18 pts-6 pts each) Fill in the major organic product(s) for the reactions below Br+FeBr ci + CH CH CH .. 3+ AICI:...
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