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Which of the following have the S configuration?

Select the word or phrase that will best complete the following sentence: (atomic, electronegativity, isomers, sp, sp2, sp3, stronger, weaker, Pi, sigma, hybridization, inductive, resonance, conjugated base, conjugated acid, higher, lower, active, electrophilic, nucleophilic, hydrophobic, hydrophilic, reactive, axial, conformations, equatorial, stereoisomers, steric, torsional, angle, alkanes, cycloalkanes, ring flip, element.)   There are ________ London force interactions in the branched alkane. Complete word/phrase and correct spelling (verbatim) is required. No partial credit.

What is the relationship between the two structures shown?

Rank the conformers of 1,2,4-trimethylcyclohexane in order of decreasing stability, putting the most stable first.  

Identify the isomer of C9H20 that is the most stable?

Which of the following is the lowest energy chair conformation of the following cyclohexane?

How many stereoisomers are possible for this structure?  

Select the word or phrase that will best complete the following sentence: (atomic, electronegativity, isomers, sp, sp2, sp3, stronger, weaker, Pi, sigma, hybridization, inductive, resonance, conjugated base, conjugated acid, higher, lower, active, electrophilic, nucleophilic, hydrophobic, hydrophilic, reactive, axial, conformations, equatorial, stereoisomers, steric, torsional, angle, alkanes, cycloalkanes, ring flip, element.)   Axial and equatorial hydrogen atoms are interconverted during a ……………………… Complete word/phrase and correct spelling (verbatim) is required. No partial credit.

Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram.                                       ​ A B C D Conformation D is represented by Roman numeral ____. (enter the Roman number. No other numbers will be accepted)

Identify the correct chair conformation of cyclohexane showing all of the equatorial hydrogen atoms.