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- Indicate the relationship between each pair. Choose from: configurational stereoisomers,conformers, constitutional isomers, or different formulas (Each term is used at least twice.)If a sample has 75 % ee of the stereoisomer R, what is the % of S in the sample? A. 12.5 B. I do not know C. 50 D. 75 E. 25A)Draw the AO Contribution picture of CH3CH2+ and the MO energy diagram. B) What is HOMO and what is LUMO?
- so pls draw the flat representation, not the Chair form of the overall Most stable and least stable formsHow are they identical, if in the first newman projection CH3 and CH3 are opposite from each other, but then in the second newman projection Br and CH3 are opposite from each other. Wouldnt they be diastereomers since one of the chiral centers changed?1) The most stable chair confirmation of
- label the stereocenters r,s,e,z and specify if any are meso. whats are the products to each orher? draw the chair conformationd and explain which one is the most stable for both products. are ha and hb homo/enantio/diasterio/hetero topic? also hc and hd.What's the stablest conformation Newmann projection for this molecule looking down the C3-C4 bond?Is chiral center b r or s or neither?
- I need help with both parts here. An FYI if you need, Part 2 means enantiomers, diasteromers, or constitutional isomers.The potential energy of a CH3 group in ethane as it is rotated around the C-C bond can be written V= 1/2V0(1 +cos φ), where φ is the azimuthal angle as shown and V0 = 11.6 kJ mol-1. (a) What is the change in potential energy between the trans and fully eclipsed conformations? (b) Show that for smal lvariations in angle, the torsional (twisting) motion around the C-C bond can be expected to be that of a harmonic oscillator. (d) Estimate the vibrational frequency of this torsional oscil lation.4- [PtCl4]? has a center of symmetry, but [NiCl4]? does not. Suggest a correct shape for each of them and draw it.