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9. [03 pts. In the chair conformation of cyclohexane, how many hydrogen atoms are eclipsed? 10.105...
Draw the Fischer projection of the following compound Eclipsed? IL, NOW many hydroge 10. [05 pts.]...
Draw the Fischer projection of the following compound
Eclipsed? IL, NOW many hydroge 10. [05 pts.] Draw the Fischer projection of the following compound. CHCH₂CH₂OH 1. [06 pts.] Assign the chiral center(s) as R or S for each of the follow CH3 af - Bro 3 CH₂CH₂ bound/?
38. Provide the correct hexagonal conformation or Ring-flipped chair conformations for the following cyclohexane (as parent...
38. Provide the correct hexagonal conformation or Ring-flipped chair conformations for the following cyclohexane (as parent chain) compounds. Then circle the more stable chair conformation. Flat Hexagon structure Chair conformation A H Chair conformation B CHS 2 Dr 2 Br 3 CH3 2 5 3 39. The following compounds have 2 stereogenic carbons, therefore 4 stereoisomeric structures (3 if there is a meso-form) These are not cyclic compounds. a) Draw the structure. b) Identify the stereogenic carbons. Assign the Cahn-Ingold-Prelog...
18. Provide the correct hexagonal conformation or Ring-flipped chair conformats cyclohexane (as parent chain) compounds. Then...
18. Provide the correct hexagonal conformation or Ring-flipped chair conformats cyclohexane (as parent chain) compounds. Then circle the more stable chair com ir conformations for the following stable chair conformation Flat Hexagon structure formation A Chair conformation B Chair conformation A Chair confort Chair conformation B ..CH3 - CH₃ 39. The following compounds have 2 stereogenic carbons, therefore 4 stereoisomeric structures (3 if there is meso-form) These are not cyclic compounds. a) Draw the structure. b) Identify the stereogenic carbons....
Need help with these Orgo Chem problems. mostly with the naming part. thank you Draw the most stable chair conforma...
Need help with these Orgo Chem problems. mostly with the
naming part.
thank you
Draw the most stable chair conformation of cis-1,2-dimethylcyclohexane 1) Draw the ring flip of the structure in question #1 2) Draw all contributing resonance structures for the following molecules. Make sure to show all arrows showing 3) movement of electrons. :c: Name the following molecules 4) 5) Assign R/S configuration to the molecule, 2-bromobutane, shown Br H H H HyC CH3 2-bromobutane Which of the following...
Solve 12-14 12. Consider the molecule shown below. OH OH f. How many stereoisomers are possible?...
Solve 12-14
12. Consider the molecule shown below. OH OH f. How many stereoisomers are possible? g. Draw each of these stereoisomers. h. Identify pairs of enantiomers and pairs of diastereomers. i. Build a model of the stereoisomer that has both OH groups pointing out. Also, build a model of the mirror image of this molecule. j. Do your two molecules represent enantiomers? Are they chiral? Fischer Projections 13. Build a model of 1-bromo-1-chloroethane. a. Draw a3D representation of this...
1. In the structure of the antibiotic Aztreonam illustrated below, how many nitrogen atoms have a...
1. In the structure of the antibiotic Aztreonam illustrated
below, how many nitrogen atoms have a sp2 hybridization
state?
2. What is the number of oxygen atoms on which the negative
charge will resonate by following relevant resonance structures?
(0,1,2,3,4 or 5)
3. Identify the stereochemistry of each of these double bonds
marked 1 and 2 in the structure below ((E) or (Z))
4. What is the absolute configuration of the following molecule?
(R/S)
5. Determine the relationship between these...
19-26 thanks! 19-29* PART 3: 2,3-BUTANEDIOL CH-CH(OH)-CH(OH)-CH, mirror images, not superimposable Build as many models of...
19-26 thanks!
19-29*
PART 3: 2,3-BUTANEDIOL CH-CH(OH)-CH(OH)-CH, mirror images, not superimposable Build as many models of 2,3-butanediol as you can. First, attach two carbons with a single bond. To each carbon add one carbon, one hydrogen, and one oxygen. To complete the structure, Ti the remaining hydrogen atoms. Remember, a model is not different if it is completely superimposable on one already constructed! 13. How many stereochemically different models are possible for 2,3-butanediol? 14. What characteristic does one of these...
a. Use strain energy increments in the OWL Table Reference (see References button, Strain Energy Increments) to calcula...
a. Use strain energy increments in the OWL Table Reference (see References button, Strain Energy Increments) to calculate the energy difference between the two chair conformations of the compound below. b. Specify substituent positions axial or equatorial) in the more stable chair. c. Estimate the percent of the more stable chair at equilibrium at 25°C. (To determine the percent of the more stable chair at equilibrium, first calculate Keq, and then use this value to find the percentage.) A CH3...
V) Determine whether ca neither(1.5 x 4-6 pts) whether each of the following reactions is an...
V) Determine whether ca neither(1.5 x 4-6 pts) whether each of the following reactions is an oxidation.c oxidation reduction or om Br A Br + HR OH NH OH VI) Give the IUPAC Names of the following organic compounds. Include E/Z for alkenes, cis-trans for cycloalkanes (if needed) and R.S configuration if a compound has chiral center(s) (2x5-10 pts) ICH, c) Br CH CH CH G-CH, BV CH3 - Сң сH = CH = CH -CH3 CH,CH3
a. Use strain energy increments in the OWL Table Reference (see References button, Strain Energy Increments)...
a. Use strain energy increments in the OWL Table Reference (see References button, Strain Energy Increments) to calculate the energy difference between the two chair conformations of the compound below. b. Specify substituent positions (axial or equatorial) in the more stable chair. c. Estimate the percent of the more stable chair at equilibrium at 25°C. (To determine the percent of the more stable chair at equilibrium, first calculate Keq, and then use this value to find the percentage.) OH H3C...
Draw the Fischer projection of the following compound
Eclipsed? IL, NOW many hydroge 10. [05 pts.] Draw the Fischer projection of the following compound. CHCH₂CH₂OH 1. [06 pts.] Assign the chiral center(s) as R or S for each of the follow CH3 af - Bro 3 CH₂CH₂ bound/?
38. Provide the correct hexagonal conformation or Ring-flipped chair conformations for the following cyclohexane (as parent chain) compounds. Then circle the more stable chair conformation. Flat Hexagon structure Chair conformation A H Chair conformation B CHS 2 Dr 2 Br 3 CH3 2 5 3 39. The following compounds have 2 stereogenic carbons, therefore 4 stereoisomeric structures (3 if there is a meso-form) These are not cyclic compounds. a) Draw the structure. b) Identify the stereogenic carbons. Assign the Cahn-Ingold-Prelog...
18. Provide the correct hexagonal conformation or Ring-flipped chair conformats cyclohexane (as parent chain) compounds. Then circle the more stable chair com ir conformations for the following stable chair conformation Flat Hexagon structure formation A Chair conformation B Chair conformation A Chair confort Chair conformation B ..CH3 - CH₃ 39. The following compounds have 2 stereogenic carbons, therefore 4 stereoisomeric structures (3 if there is meso-form) These are not cyclic compounds. a) Draw the structure. b) Identify the stereogenic carbons....
Need help with these Orgo Chem problems. mostly with the
naming part.
thank you
Draw the most stable chair conformation of cis-1,2-dimethylcyclohexane 1) Draw the ring flip of the structure in question #1 2) Draw all contributing resonance structures for the following molecules. Make sure to show all arrows showing 3) movement of electrons. :c: Name the following molecules 4) 5) Assign R/S configuration to the molecule, 2-bromobutane, shown Br H H H HyC CH3 2-bromobutane Which of the following...
Solve 12-14
12. Consider the molecule shown below. OH OH f. How many stereoisomers are possible? g. Draw each of these stereoisomers. h. Identify pairs of enantiomers and pairs of diastereomers. i. Build a model of the stereoisomer that has both OH groups pointing out. Also, build a model of the mirror image of this molecule. j. Do your two molecules represent enantiomers? Are they chiral? Fischer Projections 13. Build a model of 1-bromo-1-chloroethane. a. Draw a3D representation of this...
1. In the structure of the antibiotic Aztreonam illustrated
below, how many nitrogen atoms have a sp2 hybridization
state?
2. What is the number of oxygen atoms on which the negative
charge will resonate by following relevant resonance structures?
(0,1,2,3,4 or 5)
3. Identify the stereochemistry of each of these double bonds
marked 1 and 2 in the structure below ((E) or (Z))
4. What is the absolute configuration of the following molecule?
(R/S)
5. Determine the relationship between these...
19-26 thanks!
19-29*
PART 3: 2,3-BUTANEDIOL CH-CH(OH)-CH(OH)-CH, mirror images, not superimposable Build as many models of 2,3-butanediol as you can. First, attach two carbons with a single bond. To each carbon add one carbon, one hydrogen, and one oxygen. To complete the structure, Ti the remaining hydrogen atoms. Remember, a model is not different if it is completely superimposable on one already constructed! 13. How many stereochemically different models are possible for 2,3-butanediol? 14. What characteristic does one of these...
a. Use strain energy increments in the OWL Table Reference (see References button, Strain Energy Increments) to calculate the energy difference between the two chair conformations of the compound below. b. Specify substituent positions axial or equatorial) in the more stable chair. c. Estimate the percent of the more stable chair at equilibrium at 25°C. (To determine the percent of the more stable chair at equilibrium, first calculate Keq, and then use this value to find the percentage.) A CH3...
V) Determine whether ca neither(1.5 x 4-6 pts) whether each of the following reactions is an oxidation.c oxidation reduction or om Br A Br + HR OH NH OH VI) Give the IUPAC Names of the following organic compounds. Include E/Z for alkenes, cis-trans for cycloalkanes (if needed) and R.S configuration if a compound has chiral center(s) (2x5-10 pts) ICH, c) Br CH CH CH G-CH, BV CH3 - Сң сH = CH = CH -CH3 CH,CH3
a. Use strain energy increments in the OWL Table Reference (see References button, Strain Energy Increments) to calculate the energy difference between the two chair conformations of the compound below. b. Specify substituent positions (axial or equatorial) in the more stable chair. c. Estimate the percent of the more stable chair at equilibrium at 25°C. (To determine the percent of the more stable chair at equilibrium, first calculate Keq, and then use this value to find the percentage.) OH H3C...
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