Homework Answers
Energy difference is 3.3 kJ/mol, percent more stable conformer is 80
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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)...
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...
Strain Energy Increments Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol H: Heclipsing 4.0 1.0 H: CH3...
Strain Energy Increments Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol H: Heclipsing 4.0 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CHз eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 27.5 115 cyclobutane 110 26.3 cyclopentane 26.0 6.2 cycloheptane 26.2 6.3 cyclooctane 40.5 9.7 Ln Axial Strain Energies for Monosubstituted Cyclohexanesa,b This table gives the sum of the values for the 1,3 diaxial interactions of the substituent with two hydrogen atoms. Substituent(solvent) К/mol kcal/mol -CНз 7,3 1,7 -CH-CHз...
Strain Energy Increments Strain Energy for Alkanes Interaction/Compound kJ/mol kcal/ 4.0 H: Heclipsing 1.0 H: CH3...
Strain Energy Increments Strain Energy for Alkanes Interaction/Compound kJ/mol kcal/ 4.0 H: Heclipsing 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CH3 eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 115 27.5 cyclobutane 110 26.3 cyclopentane 26.0 6.2 6.3 cycloheptane 26.2 cyclooctane 40.5 9.7 Axial Strain Energies for Monosubstituted Cyclohexanesab This table gives the sum of the values for the 1,3 diaxial interactions of the substituent with two hydrogen atoms. kJ/mol kcal/mol Substituent(solvent) -CH3 1.7 7.3 CH2CH3 7.5 1.8 -CH(CH3)2...
References button, Strain Energy Increments) to calculate the energy difference between the two chair conformations of...
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, fir calculate Keaq, and then use this value to find the percentage.) CH3 CH3 Answers: a. The energy difference is 4 b. In the more...
Calculate the strain energy of the molecules above using the given strain energy increments from the...
Calculate the strain energy
of the molecules above using the given strain energy increments
from the given table.
Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol H:Heclipsing 4.0 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CH3 eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 115 27.5 cyclobutane 110 26.3 cyclopentane 26.0 6.2 cycloheptane 26.2 cyclooctane 40.5 9.7 6.3 (Calculate your answer to the...
Which of the following two conformations of cis-1-isopropyl-4-methylcyclohexane is more stable? Use the strain energy increments...
Which of the following two conformations of
cis-1-isopropyl-4-methylcyclohexane is
more stable? Use the strain energy increments in the table below
estimate the energy difference (a positive number) between
them.
Which of the following two conformations of cis-1-isopropyl-4-methylcyclohexane is more stable? Use the strain energy increments in the table below estimate the energy difference (a positive number) between them. 1,3-Diaxial Strain Energies for Monosubstituted Cyclohexanes SubstituentkJ/mol Substituent kJ/mol 0.4 0.5 -C CH, ethynyl 0.85 2.95 2.95 -CH-CH23.55 3.64 -CH2CH 3.65 -CN,...
please help! [References] [Review Topics) Use the References to access important values if needed for this quest...
please help!
[References] [Review Topics) Use the References to access important values if needed for this question 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...
ball & stick + labels Wame the above compound, identify each substitutent as axial or e...
ball & stick + labels Wame the above compound, identify each substitutent as axial or e table or less stable form. • Omit customary italics from your name. Substitutents R1 and R2 are designated in the order they a increments are available in the table below. Cote Reference • Omit customary italics from your name. • Substitutents R1 and R2 are designated in the order they appear i increments are available in the table below. 1. The IUPAC name is...
[Review Toples) (References) Use the References to test important values if needed for this question a....
[Review Toples) (References) Use the References to test important values if needed for this question 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...
Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly...
Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly shown are in the staggered conformation. 1. Torsional strain 2. Angle (ring) strain 3. Steric (van der Waals) strain CH3 H H H. H CH3 Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol 4.0 1.0 H: H eclipsing H: CH3 eclipsing CH3 : CH3 eclipsing 5.8 1.4 11.0...
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...
Strain Energy Increments Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol H: Heclipsing 4.0 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CHз eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 27.5 115 cyclobutane 110 26.3 cyclopentane 26.0 6.2 cycloheptane 26.2 6.3 cyclooctane 40.5 9.7 Ln Axial Strain Energies for Monosubstituted Cyclohexanesa,b This table gives the sum of the values for the 1,3 diaxial interactions of the substituent with two hydrogen atoms. Substituent(solvent) К/mol kcal/mol -CНз 7,3 1,7 -CH-CHз...
Strain Energy Increments Strain Energy for Alkanes Interaction/Compound kJ/mol kcal/ 4.0 H: Heclipsing 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CH3 eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 115 27.5 cyclobutane 110 26.3 cyclopentane 26.0 6.2 6.3 cycloheptane 26.2 cyclooctane 40.5 9.7 Axial Strain Energies for Monosubstituted Cyclohexanesab This table gives the sum of the values for the 1,3 diaxial interactions of the substituent with two hydrogen atoms. kJ/mol kcal/mol Substituent(solvent) -CH3 1.7 7.3 CH2CH3 7.5 1.8 -CH(CH3)2...
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, fir calculate Keaq, and then use this value to find the percentage.) CH3 CH3 Answers: a. The energy difference is 4 b. In the more...
Calculate the strain energy
of the molecules above using the given strain energy increments
from the given table.
Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol H:Heclipsing 4.0 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CH3 eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 115 27.5 cyclobutane 110 26.3 cyclopentane 26.0 6.2 cycloheptane 26.2 cyclooctane 40.5 9.7 6.3 (Calculate your answer to the...
Which of the following two conformations of
cis-1-isopropyl-4-methylcyclohexane is
more stable? Use the strain energy increments in the table below
estimate the energy difference (a positive number) between
them.
Which of the following two conformations of cis-1-isopropyl-4-methylcyclohexane is more stable? Use the strain energy increments in the table below estimate the energy difference (a positive number) between them. 1,3-Diaxial Strain Energies for Monosubstituted Cyclohexanes SubstituentkJ/mol Substituent kJ/mol 0.4 0.5 -C CH, ethynyl 0.85 2.95 2.95 -CH-CH23.55 3.64 -CH2CH 3.65 -CN,...
please help!
[References] [Review Topics) Use the References to access important values if needed for this question 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...
ball & stick + labels Wame the above compound, identify each substitutent as axial or e table or less stable form. • Omit customary italics from your name. Substitutents R1 and R2 are designated in the order they a increments are available in the table below. Cote Reference • Omit customary italics from your name. • Substitutents R1 and R2 are designated in the order they appear i increments are available in the table below. 1. The IUPAC name is...
[Review Toples) (References) Use the References to test important values if needed for this question 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...
Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly shown are in the staggered conformation. 1. Torsional strain 2. Angle (ring) strain 3. Steric (van der Waals) strain CH3 H H H. H CH3 Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol 4.0 1.0 H: H eclipsing H: CH3 eclipsing CH3 : CH3 eclipsing 5.8 1.4 11.0...
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