Draw the structures of Octane and 2,2,3,3-tetramethylbutane. Their two
heats of combustion are -5470 kJ/mol and -5452 kJ/mol. Explain which of the two
molecules is more stable based on their heats of combustion.
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15) For rotation about the C2-C3 bond of 2,2,3,3-Tetramethylbutane: E) Draw the Newman projector of the most stable conformer Hal inirgy F) Draw the Newman projector of the least stable conformer muitinergy
Draw the following structures for reactants and products: 2-propylcyclohexanol + H2SO4 delta change = 2,2,3,3- tetramethylheptanal +NaBH4 =
9. Draw two different chair conformations of cyclohexanol, showing all hydropen atoms. Identify each position as axial or equatorial 10. Draw the most stable chair conformation of the following molecules, and estimate the amount of strain in each: (a) trans-1-Chloro-3-methylcyclohexane (b) cis-1-Ethyl-2-methylcyclohexane (c) cis-1-Bromo-4-ethylcyclohexane (d) cis-1-tert-Butylcyclohexane 11. Which isomer is more stable, cis-decalin or trans-decalin? Explain. 12. Glucose exists in two forms having a 36:64 ratio at equilibrium. Draw a skeletal structure of each, describe the difference between them and...
letter e please 3. Stability of Axial vs. Equatorial Lone-Pairs in Trigonal Bipyramidal Structures: SF. Useful conversion factors: o 1 au = 627.5096 kcal/mol = 2,625 50 kJ/mol a. Based on the Spartan data, which structure of SF. is more stable? (Circle one.) SF. w/ lone pair in axial position (SF, w/ lone pair in equitorial position How do you know which is more stable? more neseline value = more Shtle b. Energy of the axial lone-pair structure in au)?...
2. The sec-butyl cation can react as both a Lewis acid and a Bronsted. Lowry acid in the presence of a water-sulfuric acid mixture. In each however, the product is different. The two reactions are: case +HO In which reaction does this cation react as a Lewis acid? In which does it react as a Brønsted-Lowry acid? a. Write Lewis structures for reactants and products and show by the use of curved arrows how each reaction occurs. b. 3. Drawing...
I need help on these questions Determine 5) Draw three correct structures (2 are resonance) for CINO2. which structure is the most stable using formal charges. t t t t t tt Determine which is the most stable 6) Draw two correct structures for NSF. using formal charges Ittttttttt 7) Draw the Lewis structures for each of the following molecules or ions. These molecules or ions may not obey the octet rule. PC15- BH3 ttttttttttttttt 0
3B) Draw the constitutional isomers of trimethylcyclopropane as skeletal structures. 3C) For each constitutional isomer you drew in part (a), draw any stereoisomers of that structure, explicitly showing stereochemistry with dash/wedge bonds. Use skeletal structures. 2. This molecule has a ring strain of 70 kl/mol. Circle which type of strain is most important, and explain why you circledit: Angle torsional steric 3. Only one stereoisomer of this compound is stable - draw the relative stereochemistry at the ring Junction with...
1.2 The following reaction forms two intermediates; HBr 1.2.1 Draw the structures of the intermediates (6) 1.2.2 In not more than 2 sentences, using electronic factors, explain which intermediate is more stable (4) 1.2.3. draw and label the kinetic and thermodynamic product (6)
Draw bond-line structures for the following compounds. 1.) 6-tert-butyl-2,2,3,3-tetramethylnonane 2.)3-cyclohexyl-2,2,4-trimethylheptane 3.) 4-secbutyl-4,5-diisopropylnonane 4.)1,3-dicyclopentylcycloheptane
1. Draw the best Lewis structures of BF3 and NF3. a. Describe the geometries of these two molecules. b. Describe the shapes of these two molecules. c. Explain which of these molecules is polar and why. 2. Draw the best Lewis structure of SCI2 a. Describe the geometry and shape of this molecule b. Explain why this molecule is polar.