Br. COOH Br, FCH COOH E FeBr ASOCI B NH (CH,CO),OD Br₂ 2 C alcKOH

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.

11. Me2NH, CH,O HCI Me dr Me

R Please don't provide the handwriting solution

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 kJ

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 498

Which of these three is most stable? Explain (justify)

Calculate ?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

Write the law for this reaction and explain how it is determined SO2CL2 ->SO2 + CL2

draw LINE BOND STRUCTURE