Use the data given below to construct a Born-Haber cycle to determine the enthalpy of sublimation for Xornon (Xo). Answer in kJ/mol. Reaction/Process AH°(kJ/mol) Part 1: 5751 Xo(s)Xo(g) Submit Answer Previous Incorrect. Tries 12/99 Tries Xo(g) Xo+(g) + 590 e Xo+(g) Xo2+(g) 1010 + e 2 0(g) 02(g) -498 O(g) + er – -141 O (g) + e- -→ o2 (g) 878 Xo(s) + V2 02(g) Xo0(s) -635 Xo (g) + 02 (g) XoO(s) -3414 Part 2: What is the enthalpy of solution given enthalpy of hydration for Xo²+ is -1754 kJ/mol and 02- is -933 kJ/mol? kJ/mol Submit Answer Tries 0/99

Complete these reactions

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(a) In an acid-catalyzed hydration, one of the following 10 carbon alkynes is expected to produce a single hydration product? Select the correct alkyne and draw the structure of the hydration product that is formed from this alkyne. (I) 2-decyne; (II) 3-decyne; (III) 4-decyne; (IV) 5-decyne; (V) none of these will give a single hydration product. (b) The reaction shown below gives Compound X as the major product. The mass spectrum of X is shown. Br2, H20 Compound X 100 - MS-IW-5644 80 60 40 - 20 - 20 40 60 80 100 120 140 160 180 200 220 m/z Considering the reactions of alkynes and the MS data, de duce which of following structures corresponds to X: Br Br HO, IV V I II II Support your answer with a reaction mechanism for fomation of X and identification of relevant peaks in the mass spectrum. 12 Relative Intensity