Question

7) Calculate the reaction enthalpy for the combustion reaction of hydroxyb2-butanone (CH0, given the following energy value C-O (for CO,) - 799 kJ/mole, OH - 460 kJ/mole, C-O= 351 kJ/mole, C-C - 347 kJ/mole, CH-414 kJ/mole, 0,- 498 kJ/mole. carbonyl (C-0) - 745 k./mole. 50. 48,0 – 400, OH a) -2,087 kJimole c) 2.949 kulmole b) -1,740 kJ/mole d) 5.467 kJ/mole On a separate sheet of paper. CLEARLY draw the chair conformations for the following cyclohexane derivatives. CIRCLE TILE MOST STABLE CONTORMATION(S). Axial and equatorial substituents must also be clearly DRAWN for credit. DO NOT te axial" or "equatorial with an arrow pointing to the subststuetut (opts each problem) NH OH TUI s Drawstructure in bodies this laget arbus chxis is cupid farbas, S which that branched i n . MUST W all

Answer 1

ahia Ence. Practants - E nie-t products B.E = Bond Energy Here we have- + 50=0 4H-OH + 40=c=0 H Y Y LH in ОН Bonds in products 'Bonds in reactants o 8.0-4 (460 kJ /mol) 8 C=o (799 kJ Imol) • 7c-H (414 kJ/mol) • 3c-c (347 kJ /mol) . IC-0 (351 kJ/mol) 1o-H (460 kJ /mol) Ic=0 (745 kilmol) • 5 (0 =0) (498 keJ/mol) +5(0=0) > 4H=[7(e-+6) + 360-0)+1(2-0)+160-16)+1(c=0)) - [6(0-4) + 8C=o] >> A = [7 (414)+ 3(547)+ |(359) +1(460) + |(745)) - [(40) +8(700)] + 5(496) =) Ahone = (7985) - (10072) = - 2087 kg/mol Hence option (a) is CORRECT kindly submit seperately Different Questions Please Rate...