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- Arrange the following substances according to increasing boiling point? Explain why. I. CH3OCH2CH2CH2OCH3II. CH3CH2OCH2CH2OCH3III. CH3CH2OCH2OCH2CH3IV. CH3OCH2CHOCH3V. HOCH2CH2CH2CH2CH2OHWhat is the correct order for the strenth of IMFA of the following substances? LiCl < H2O < C8H18 H2O < LiCl< C8H18 C8H18 < LiCl < H2O C8H18 < H2O < LiClCis-but-2-ene has a different set of properties compared to trans-but-2-ene. The meltingpoints of these two compounds is influenced primarily by what factor? Choices:Symmetry of moleculeDipole momentHydrogen bondingVan der Waals interaction’
- For the chair conformations list 1,3-diaxial interactions in each molecule.Polymer PXX has a glass transition temperature of 49°C. Describe the molecular conformation and arrangement of this polymerWhich one of the following substances would be the most soluble in cyclohexane, C6H12? CH3CH2CH2OH C4H10 NH3 Li2O HCl
- 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.Fluorine (f2) has melting point of 53.53k and a boiling point of 85.03k draw whar fluorine would look like on the molecular leavel at 40k and 70k and 100k be sure to indicate and label what types of interactions and / or bonds are present.Which molecule would have their 2 chair conformations be of equal energies?