1) Name the following Molecules CH3 Η مام Br Br H H&C Br Η

6. For the following compounds, (1) redraw as complete Lewis structures; (2) draw in all of the bond dipoles, including those for the nonbonded electrons; (3) show the overall bond dipole moment if 4.0 present or specify if none present. Pauling cloctroncgativity scale valueu: ce=3.2 Br-3.0 0=3:4 しこ5 .F a] Br 0--い ター in the nrocess

The positions of the Br atoms in the molecule below is designated as Br -Br O meta O ortho O para O taro

Convert the following line-bond structures into molecular formulas: (a) CH₂OH H H H H کی C= = с с C )-1 H (c) H、 N. с (=^ 0=C с FO Aspirin (acetylsalicylic acid) 0 )=0 с C C=0 OH H C || H CH3 ć с N Nicotine C 1 с с H HY C-C T H H CH3 )—I C H I I H (b) (d) HO H 4-C I HO HO H H₂ H-C C=0 Vitamin C (ascorbic acid) C=C CH₂OH C-O C C-C HO но| | H H OH OH Glucose H OH 11

I don’t know how to any of this chemistry work. Pleaseee help.

Which compound in each of the following pairs would you expect to have the greater dipole moment u? Why? (a) HF or HCI (b) HF or BF3 (c) (CH3); CH or (CH3)3CCI (d) CHCI3 or CCl;F (e) CH3 NH2 or CH3 OH (f) CH3 NH2 or CH3 NO2

4. (a) Use the simple one-electron molecular orbital method, including overlap, to calculate the energies of the molecular orbitals of the hydrogen molecule (H₂) in terms of a, ß and S? (b) Calculate & given that a = -13.6 eV, that S = 0.6, and that the lowest UV absorption energy is 12 eV. (c) Determine the ionisation energy of the bonding molecular orbital in H₂ ? [6 marks]

For each of the following species, determine (a) the electron geometry and (b) the hybridization for all nonhydrogen atoms. (i) C2H (v) CH;0* (ii) C2H5 (vi) C3H3 (all hydrogens are on the same carbon) (iii) CH2=0H+ (iv) CH&N*

Give a clear handwritten answer with explanation

Using average bond enthalpies (linked above), estimate the enthalpy change for the following reaction: 2C0(g) + 02(g) 2CO2(g)