For the following two conformations of 2,3-dimethylbutane, determine (choose 1 option below) the total energy cost associated with all torsional strain and steric strain.

Chemistry: The Molecular Science
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ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter10: Fuels, Organic Chemicals, And Polymers
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For the following two conformations of 2,3-dimethylbutane, determine (choose 1 option below) the total energy cost associated with all torsional strain and steric strain.

1. 

a) (6 kJ/mol x 2) + (11 kJ/mol x3) = 45 kJ/mol

b) 3.8 kJ/mol x 4 = 15.2 kJ/mol

c)  3.8 kJ/mol  x 3 = 11.4 kJ/mol

d) 11kJ/mol x 4 = 44 kJ/mol

2. 

a) 6 kJ/mol + 11 KJ/mol= 17 kJ/mol

b) 3.8 kJ/mol x 3 = 11.4 kJ/mol

c)  (6kJ/mol x 2 ) 3.8 kJ/mol = 15.8 kJ/mol

d) (6kJ/mol x 2 ) + 11kJ/mol = 23 kJ/mol

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Transcribed Image Text:H3C Н. H H CH3 CH3 CH3
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