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11. Calculate the percentage of each conformer at 23 °C (AEE-RTINK, where R= 8.314J/K mol), ACH₃...
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...
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...
Identify and count the interactions that destabilize the following conformation, and compute its strain energy using...
Identify and count the interactions that destabilize the following conformation, and compute its strain energy using the values provided in the table. (Be sure to specify units and to enter zero for interactions not present.) HCH3 Hafa C CH Strain Energy Increments H Interaction Strain (kJ/mol) H eclipsing 4.0 H CH3 eclipsing 6.0 CH3 CH3 eclipsing 11.0 CH3 – CH3 gauche 3.8 H-H eclipsing C H -CH: eclipsing C CH3-CH3 eclipsing C CH3-CH3 gauche Total strain energy is kJ/mol
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...
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...
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...
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...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an amine e. no reaction c. an aldehyde Which of the following combinations will react spontaneously? A. 12 + Cu2+ B. Pb2+ + Ag C. Zn2+ + Mg D. Sn2+ + Ni2+ The general formula for a cycloalkane can be represented by which of the following? a. C,H, C. CH b. C.H2n+2 d. C.H21-2 In a certain reaction AH =-136 kJ and E, = 96...
Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs...
Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs free energy of formation values can be found in this table. 6 Cl(g)+2 Fe,O,(s)4 FeCl, (s)+30,(g) kJ/mol AGn= Thermodynamic Properties at 298 K Organic Compounds AG kJ/mol /(mol-K) дне kJ/mol Substance Name Formula дне kJ/mol Ag(s) Ag (aq) Ag20(s) Ag2S(s) AgBr(s) AgC(s) Agl(s) AgNO3(s) Al(s) Al2O3(s) AICI3(s) 0 42.6 105.8 77.107 73.4 Methane CH4(9) СHа(о) -74.6) -84.0 -103.8 -11.2 -31.1 121.3 Ethane -32.6 -40.7...
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...
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...
Identify and count the interactions that destabilize the following conformation, and compute its strain energy using the values provided in the table. (Be sure to specify units and to enter zero for interactions not present.) HCH3 Hafa C CH Strain Energy Increments H Interaction Strain (kJ/mol) H eclipsing 4.0 H CH3 eclipsing 6.0 CH3 CH3 eclipsing 11.0 CH3 – CH3 gauche 3.8 H-H eclipsing C H -CH: eclipsing C CH3-CH3 eclipsing C CH3-CH3 gauche Total strain energy is kJ/mol
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...
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...
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...
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...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an amine e. no reaction c. an aldehyde Which of the following combinations will react spontaneously? A. 12 + Cu2+ B. Pb2+ + Ag C. Zn2+ + Mg D. Sn2+ + Ni2+ The general formula for a cycloalkane can be represented by which of the following? a. C,H, C. CH b. C.H2n+2 d. C.H21-2 In a certain reaction AH =-136 kJ and E, = 96...
Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs free energy of formation values can be found in this table. 6 Cl(g)+2 Fe,O,(s)4 FeCl, (s)+30,(g) kJ/mol AGn= Thermodynamic Properties at 298 K Organic Compounds AG kJ/mol /(mol-K) дне kJ/mol Substance Name Formula дне kJ/mol Ag(s) Ag (aq) Ag20(s) Ag2S(s) AgBr(s) AgC(s) Agl(s) AgNO3(s) Al(s) Al2O3(s) AICI3(s) 0 42.6 105.8 77.107 73.4 Methane CH4(9) СHа(о) -74.6) -84.0 -103.8 -11.2 -31.1 121.3 Ethane -32.6 -40.7...
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