Predict the major reaction pathway that will occur under these conditions. SN1 SN2 E1 E2 Br NaOAc ACOH

Consider the given reaction in which NC−NC− is the nucleophile and CH3CNCH3CN is the solvent. The reactant molecule has a structure with solid and dashed wedge bonds. A solid wedge () is used to show the bond that is above the plane of the paper, and a dashed wedge () is used to show the bond that is behind the plane of the paper. Draw the product of the following reaction:

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Br Predict the catalytic hydrogenation reactions C ABROM Н2 Lindlar's Catalyst H₂ Pt, EtOH, 20 °C

pls help with both questions.

Compound A is converted to compound B via a one-step reaction with an activation energy of +3 kcal/mol. The energy difference between Compound B and the transition state of the reaction is 7 kcal/mol. What is the AH° for the reaction? O -10 kcal/mol -4 kcal/mol +10 kcal/mol -3 kcal/mol +3 kcal/mol +4 kcal/mol

Which of the following reactions will be faster and why? HBr H20 `Br Br

Fill in the missing intermediates(two), regents(two), and the fill product in the following multi-step synthesis. Assume all reactions proceed too quickly for rearrangements to take place

Calculate the energy change of the following reaction: 2NO + O2→ 2NO2 ΔH: NO = 90.0 kJ/mol NO2= 34.0 kJ/mol O2= 0.0 kJ/mol  a -180 kJ  b -112 kJ  c 35.0 kJ  d -248 kJ