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- Homolytic bond breaking happens when there is an equal separation of electron in the presence of UV. true or false?If [CH4}) = 0.1M; [O2] = 0.25M\[CO2 ]= 0.35M and [H2O] = 0.15M what is the value of Qc?Solve for the delocalization and overall electronic energy for C4H4 (considering a single p orbital on each carbon) ? How does this compare to benzene?
- Which of the following is the correct bond-line structure for (CH3)2CHCH₂C(CH3)3? OI O II IV OV ty || ||| IV6) This question is concerned with vibrational spectra (Infrared and Raman). a) How many normal modes of vibration are expected in these molecules? (Show calculations) i) Theobromine (the caffeine-like stimulant that is found in chocolate) b) In the molecular vibration shown here for trans-1,4-dichlorocyclohexane, both chlorine atoms stretch away from the carbon to which they are bonded (arrows). Will this mode be IR active? Will this mode be Raman active? In each case, why or why not? ii) Cyanopolyyne (an organic molecular wire that has been detected spectroscopically in interstellar space, and is postulated to be a precursor to biomolecules: HC=C-C=C-C=N c) Why are CH4 and CO₂ considered greenhouse gases, but O₂ and N₂ are not? d) Are the vibrations shown here a degenerate pair (Yes/No)? Why or why not? HN CI CH3 ci↑ ∙H -F CH3 -FWhat is the totaly Pi electron binding energy of the ground state for the allyl radical? *CH2-CH=CH2
- Consider a Newman projection of 2-methylbutane shown. Calculate the energy from the strain present in this conformation. CH3 CH3 kcal/mol H. 1 H CH3 6 Strain Enery kcalmo Interaction Type guche H guche CCH, cosed CH, cioned C C, 07 7 8 9 33 +/- x 100 3. 2. 4.MW is 98 1HNMR: 1.7 quintet, 1.8 quintet, 2.3 triplet What molecule is this?Which molecule would be more polar, CH3F or CH3Cl? And why?