CHEM 237 Final Exam TAMU Everything (This QL includes every assignment from this class: sapling, discussion questions, the book, and important results from experiments) with Expert Verified Solutions

CHEM 237 Final Exam TAMU Everything (This QL includes every assignment from this class: sapling, discussion questions, the book, and important results from experiments) with Expert Verified Solutions Exp: Molecular Modeling - newman projection: staggered - newman projection: eclipsed - Newman Projection Conformations and their relative energies [draw a graph] - The gauche conformation of butane occurs when the dihedral angle between at the C1-C2 and C3-C4 is 60 degrees. There is sterric strain in the molecule due the proximity of the two methyl groups. Would the sterric strain in this molecule increase OR decrease C1-C2-C3 [and C2-C3-24] bond angle was increased to more than 109.5 degrees? - the sterric strain would decrease because the groups are moving farther apart The gauche conformation of butane occurs when the dihedral angle between at the C1-C2 and C3-C4 is 60 degrees. There is sterric strain in the molecule due the proximity of the two methyl groups. When you consider... E(strain) = E(strain) + E(angle) + E(torsion) + E(sterric) Would E(torsion) increase OR decrease when the dihedral angle of gauche butane was increased from 60 to 65 degrees? - E(torsion) increases