1. Estimate AH for each of the following conformational equilibria: (a) CH3 H CH₂ H H CH₂ (b) (c) = Н H,C. CH₂ Ø - HỌC | CHy Н CH₁ CH_______ CH, HỌC | CHy HY H Н CH3 HC CH3 HỌC CH Н сно CH₂

The AH° values of each compound is given below as kJ/mol. Calculate the entaphy change (AH) value of the following reacti on? 2CaOg) + 2SO2 (g + Ozg) →2 CasO41) -635.5 -296.9 0.0 -1432.7 (kJ/mol) A) 500.3 kJ B) -500.3 kJ С) -1000.6 kJ D) 2365.1 kJ E) -1094.1 kJ

(a) (b) HO N N-H Catalytic H+ (-H₂O) ? (c) NH2 HO N (d)

Naming Alkenes 7-37 Name the following alkenes: (a) CH3 (b) CH3 CH2CH3 (c) CH2CH3 CH3CHCH2CH,CH CH3 H2C=CCH2CH3 CHCH2CH3 C=C H C=C H3C H3C H. H (f) H2C=C=CHCH3 (е) CH3 C=C (d) H H3C C=C CH3 C=C CH3 H3C H. H2C=CHCHCH CH3CH2CH2 CH3

a) Which curve (i, ii, iii, iv or v) corresponds to F2 → 2F- b) Which curve (i, ii, iii, iv or v) corresponds to Cl2 → 2C1- c) Which curve (i, ii, iii, iv or v) corresponds to Br2 → 2Br. d) Which curve (i, ii, iii, iv or v) corresponds to 12 → 21. e) Which curve (i, il, iii, iv or v) corresponds to CH3CH2-H f) The sign of H° for all of these steps is: Opositive Onegative -> Potential Energy Bond Dissocation Energy (BDE): the energy needed to break a bond homolytically (energy input: H>0, a positive energy value) the energy released in forming a bond (energy output: H 0, a negative energy value) → CH3CH2 + H. شکر Reaction coordinate iv

Please don't use hend raiting

None

Give systematic IUPAC names for each of the following: (b) ty C (d) Br s ㅎ OH (1) Br Br (h) CI &

10

5-52 The following syntheses have flaws in them. What is wrong with each? (a) .CH3 .CO2H 1. Cl2, FeCl3 2. KMNO4 CI (b) CІ CI. 1. (CH3)3CCI, AICI3 2. KMNO4, H2O CO2H