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- Write a reasonable chain mechanism (mechanistic arrows, intermediates, etc.) for the following reaction. Your mechanism must be based upon currently accepted understanding of chemical reactions.SO₂H H₂SO4 SO,H₁₂O⭑ HBr. 1) Hg(OAc)2, H₂O 2) NaBH4 1) BH, THF 2) H₂O₂, NaOH ROOR 1) O HX 2) DMS Pt Bra 1) OsO 2) NaHSO₂ H₂O KMnO NaOH, cold 1) RCO₂H 2) H₂O* Br₂, H₂O
- 30. The process for preparing dibromoethane is given in the reaction equation below. Using the bond energies listed, determine the enthalpy change (AH) for this reaction. H H нн + Brz(2) Br-С - С-Br e AH = ? kJ c=C@ нн нн Bond Bond Energy (kJ/mol) С-Н 411 C=C 602 Br-Br 190 С-Br 285 C-C 346 | Select ) [ Select + 36 kJ -124 kJ + 124 kJ + 78 kJ - 78 kJPlease help !!6. EtO₂C. CO₂Et Br CHO NaOEt A EtO₂C EtO₂C CHO
- 2. Use the table below to estimate AH for the reaction NO + O3 → NO2 + O2. Does this reaction consume or produce heat? Single Bond Energies (kJ/mol of bonds) н сN oS F C Br I Н 436 C 413 346 N 391 305 163 O 463 358 201 146 S 347 272 226 - F 565 485 283 190 284 155 Cl 432 339 192 218 255 253 242 Br 366 285 201 217 249 216 193 - I 299 213 201 278 208 175 151 - - Multiple Bond Energies (kJ/mol of bonds) C=C 602 C=N 615 C=O 799 C=C 835 CEN 887 C=O 1072 N=N 418 N=O 607 N=N 945 O=O 498OMe N2 Me. ? Me0oC HO Me OMe LOME Me но, Он Me0OC Me0oC A B Me OMe OMe Me. 'N' ÓH но. Me0OC Me0oC DCalculate ?H° for each oxidation reaction. Each equation is balanced as written; remember to take into account thecoefficients in determining the number of bonds broken or formed.?H° for O2 = 497 kJ/mol; ?H° for one C = O in CO2 = 535 kJ/mol]a. CH4 + 2 O2 ? CO2 + 2 H2Ob. 2 CH3CH3 + 7 O2 ? 4 CO2 + 6 H2O