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Author Question: What is the energy difference between the two lowest-energy conformations of 2,3-dimethylbutane? ... (Read 31 times)

jazziefee

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on: Aug 23, 2018
What is the energy difference between the two lowest-energy conformations of 2,3-dimethylbutane?
  1.the energy of one gauche interaction
  2.the energy of two gauche interactions
  3.the energy of two H  CH3 eclipsing interactions
  4.the energy of three H  CH3 eclipsing interactions
  5.the energy of two CH3  CH3 eclipsing interactions

Question 2

The lowest energy conformation of decane resembles a straight rod. It is a fully stretched zig-zag conformation with all bonds staggered and all large substituents anti to each other. Imagine we bend this chain at carbon 5. What is the minimum strain that such a once-bent conformation (bent rod) must have?
  1.3.8 kJ/mol
  2.4.0 kJ/mol
  3.6.0 kJ/mol
  4.0.0 kJ/mol
  5.11.0 kJ/mol


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bbburns21

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Reply #1 on: Aug 23, 2018
Answer to Question 1

1

Answer to Question 2

1


jazziefee

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Reply 2 on: Aug 23, 2018
Wow, this really help

ecabral0

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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