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- X app.101edu.co # 3 E UL Week 7: Panopto DII 0 F3 $ R F4 X UL LTU 7-1A Identify the best conditions to complete the SN2 reaction shown below. H % 5 T N3 گیا QL FS A 6 Y Question 18 of 24 40 X F6 & 7 C|Chegg.com U F7 8 A) CH3I, THF B) NaCN, DMSO C) NaN3, ethylamine D) KI, THF X + E) NaN3, DMF PrtScn FB Home ( 9 F9 O ) End 0 & 3 ENG F10 P PgUp - F11 Tp S <10) 1 PgDn D + 6:16 PM 10/18/2022 F1214. D) What is the potential energy of the intermediate relative to the reactant? (Vertical distances are not to scale.) 26 kJ mol-¹ 14 kJ mol 37 kJ mol¹ 8 kJ mol potential energy- A 37 kJ mol-¹ 29 kJ mol 12 kJ mol reaction progress 55-29 55 kJ mol-¹ Menthalpycentropy (randomness) 10. Arrange the following reactions in order of increasing AS value. 1. H₂(g) + F2(g) → 2HF(g) зд 2. NH4NO3(s) → N₂O(g) + 2H₂O() 19, 12, 15 3. (NH4)2Cr2O7(s) →→→ Cr2O3(s) + 4H₂O(l) + N₂(g) 1,1g, 25
- Write down major r producto), or other recietent6) and/or fallawine the reactionconditions for the Ht Na BH (OAC)S +(CH2)2NH 1. CH3 CH2 Mg Br 2. H30+ CH2CN CH30 OEt 1.NaOH, tho A 2. H3ot 3. A+ • What are the mayor arganic product of the following reaction •What is the stereo chemistry that is indicate for the reactions 1. BH 3/ THF 2. H₂Oz/NaOH´ Brz EtOH > H₂/9d/c HB c ---> -bel the energy diagram (9 bins) for the conversion shown. H₂O (CH₂CH₂), CBr - 000 000 F4 % 5 T G exergy F5 6 (CH₂CH₂)3COH + H₂O*Br Y H reaction coordinate MacBook Pro & 7 U F7 J = * 0 8 DII F8 1 K ( 9 DD O O L activation energy Answer Bank products F10 rate-limiting transition state non-limiting transition state intermediates P starting materials F11 { AG° + 11 F12 11 )
- HO Но MO!!!! OH Но не MeDH (excess) 1Which Transition state would have the lowest energy of activation for an Sn1 reaction? Transition State A Transition State B Transition State C H3C H H3C H;C. H --Br --Br ------Br H3C H H;CConsider the reaction mechanism below for numbers 38-40. H3C НО 0-CH3 38 39 CH3 40
- The following figure shows the energy profile of a nucleophilic substitution reaction. Potential energy :ÖH H HII.C H C-1 H HO--C---I HH Reaction coordinate H -CH HO–CHITH H + 1 According to this, it is correct to affirm: O The activation energy (4G°) shows that it is thermodynamically favorable. O Represents a reaction that occurs in one step where a pentavalent chemical species is formed. O The intermediate has lower energy than any transition state. O The formation of the intermediate releases energy and is therefore thermodynamically favourable.1:35 PM Sun Jan 30 *2 30% ID < 88 Q CHM1046 Ch 19 Kinetics v x PSY 2012 Ch 1 Guiding Q - Cra.. Calorimetry Quiz CHM 1046 TLC CHM1046 Ch 19 Kinetics y Equations 1) The isomerization reaction shown below follows first order kinetics at 500 K. CH3NC (g) → CH3CN (g) a) Use the rate constant you determined in example 3 on page 4 to determine the half life of this reaction. K? 6. 579 x 10 half ll fe 0.693 6. S19 x 10-9 16 S3 . 35 %3D b) Use the half life you just determined to predit how long it will take for the concentration of CH3NC to reach 25% of its original value? 28 of 44Ph OTs NaSCH₂ DMF NaCN DMSO Chem 240 Lab Activity 7: Reaction Mechanisms NaOMe MeOH