CH aswers: kJ/mol. a. The energy difference is b. In the more stable chair: V position. • The vinyl(ethenyl) group is in the The methyl group is in the position. C. At 25°C the equilibrium percent of the more stable chair conformation is approximately
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- Build a model of methylcyclohexane, and use the model to complete the following Newmanprojections of methylcyclohexane in the chair conformation: a. When the methyl group is in an axial or equatorial (circle one) position, the molecule is inits lowest potential energy conformation. b. Label one Newman projection above anti and the other gauche to describe the relationshipbetween the methyl group and C3 of the ring. c. In general, which is a lower PE conformation, anti or gauche? d. Explain how your answer to b and c provide an explanation for why it is more favorable fora large group to be in an equatorial than an axial position.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 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.) CH3 CH3 Answers: a. The energy difference is b. In the more stable chair: • The phenyl group is in the • The isopropyl group is in the | kJ/mol. position. position. c. At 25°C the equilibrium percent of the more stable chair conformation is approximately [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 chair at equilibrium, first calculate Keg and then use this value to find the percentage.) CH3 H3C HO, Answers: a. The energy difference is b. In the more stable chair: kJ/mol. • The isopropyl group is in the • The carboxyl group is in the position. v position. c. At 25°C the equilibrium percent of the more stable chair conformation is approximately
- 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 Keg and then use this value to find the percentage.) Answers: H3C. CH3 OH a. The energy difference is kJ/mol. b. In the more stable chair: The isopropyl group is in the ✓ position. ✓ position. • The carboxyl group is in the c. At 25°C the equilibrium percent of the more stable chair conformation is approximatelyUse the References to access important values if needed for this question. a. Use strain energy increments in the OWL Table Reference (sce 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 K, and then use this value to find the percentage.) CH3 CI Answers: a. The energy difference is b. In the more stable chair: kJ/mol. o The chloro group is in the position. • The methyl group is in the Oposition. c. At 25°C the equilibrium percent of the more stable chair conformation is approximatelya. 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 Key and then use this value to find the percentage.) CH₂ Answers: NEC a. The energy difference is b. In the more stable chair: kJ/mol. The methyl group is in the Caxial 8 position. position. • The cyano group is in the equatorial c. At 25°C the equilibrium percent of the more stable chair conformation is approximately
- [Review Topics] [References) 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 chair at equilibrium, first calculate K, and then use this value to find the percentage.) он (in isopropanol) Answers: kJ/mol. a. The energy difference is b. In the more stable chair: • The hydroxyl group is in the | • The chloro group is in the | c. At 25°C the equilibrium percent of the more stable chair conformation is approximately | position. |position. An error has been detected in your answer. Check for typos, miscalculations etc. before submitting your answer. Submit Answer Retry…Paraphrasing ewriting Tool Car note Pirate Ship BLACKBOARD wos 6Baun paumn [Review Topics) [References) Use the References to access important values 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 equilibrium, first calculate Ke and then use this value to find the percentage.) OH (in isopropanol) Answers: a. The energy difference is b. In the more stable chair: kJ/mol. o The methyl group is in the o The hydroxyl group is in the e position. 8 position. c. At 25°C the equilibrium percent of the more stable chair conformation is approximately Submit Answer Retry Entire Group 9 more group attempts remaining…[Review Topics] (References) 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 chair at equilibrium, first calculate Keg and then use this value to find the percentage.) OH H₂C (in isopropanol) Answers: a. The energy difference is b. In the more stable chair: kJ/mol. The methyl group is in the The hydroxyl group is in the [ position. position. c. At 25°C the equilibrium percent of the more stable chair conformation is approximately Submit Answer Retry Entire Group 1 more group attempt remaining Show Hint Previous Save and Exit
- 4. Clearly draw both Chair Conformations. of the following molecule Xordin 5. for the Molecule in Question 4 - Circle the lowest energy Chair Conformat. TAM![Review Topics) [References) 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 chair at equilibrium, first calculate Keor and then use this value to find the percentage.) H2C= CH3 Answers: a. The energy difference is b. In the more stable chair: kJ/mol. • The vinyl(ethenyl) group is in the o The methyl group is in the e position. a position. c. At 25°C the equilibrium percent of the more stable chair conformation is approximatel v 3. 60 65 Submit Answer Retry Entire Group 70 75 80 85 90 95 Previous Next Show Hint >95Given the planar trisubstituted cyclohexane, fill in the missing substituents (with H or Cl) to complete the two possible cyclohexane chair conformations. Then, determine the more stable conformer. You might find it helpful to make a model of the cyclohexane to help visualize the chair conformations CI CI H. H chair flip H H. H. H. Answer Bank H. Chair 2 Chair 1