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- The reaction (CH3)3CBr + OH- -> (CH3)3COH + Br- in a certain solvent is first order with respect to (CH3)CBr and zero roder with respect to OH-. In several experiemnts, the rate constant was determined at different temepratures. A plot of ln(k) vs. 1/T was constructed resulting in a straight line with a slope of -1.10x104 K and a y-intercept of 33.5 a. determine the activation energy b. determine the frequceny factor and rate constant at 25.0C c. determine the rate constant when the temperature drops to 15.0CAnswer the questiong resending the portialenergy diagram tor the cataliyzed and unectelized reaccion Reactants ->Produsts 320t 235 Eneria(a) 2004 风 I The enegy of the actiated compley in the uncatljzed reaccion SThe valke of the activation energy of Hhe uncatalyzed! reacion Alt of the reaceion R->PCInclude sign J 5/he walve oAhe in versed catalieal EAThe rate of consumption of B in the reaction 2A + B --> 2C + 3D is 2.7 mol dm-3s-1. State the reaction rate, and the rates of formation or consumption of A, C, and D.
- 5 ScAc4590506f/General?threadld-19:9597603ecb3f40b5ab24e8aee75e899c@thread.tacv28tcbx-channel Posts Files Class Notebook Moodle 2 more v O Meet versity of Technology and Applied Sciences - Ibri Course search Mazin Al Hinaai Consider the following reaction, A-B, the rate of reaction is 7.5 x 10-6 moldm 3s1. The time taken for the reaction is 9.5 minutes. What is the concentration? ion O a. 4275 x 10 -3 moldm 3 O b. 427.5 x 10 3 moldm 3 OC. 42.75 x 10 -3 moldm 3 Activate Windows Go to Settings to actvate Wdow O d. 4275 x 10 -3 moldm 1:35 PM A D A 4) ENG 4/12/202 CopThe activation energy for the gas phase isomerization of cis-cyanostyrene is 193 k). cis-C@H;CH=CHCN — trang-C%HCHCHỌN The rate constant at 616 Kis 1.70 x 105 s. The rate constant will be Submit Answer Retry Entire Group Use the References to access important values if needed for this question. S 9 more group attempts remaining S at 663 K.The rate of consumption of B in the reaction A + 3B --> C +2D is 2.7 mol dm-3s-1. State the reaction rate, and the rate of formation or consumption of A, C, and D.
- amples: Unimeleculo gras a Teact Eimaan e - Rea 1) A chemical reaction proceeds with the proposed reaction mechanism below; Step Kinetics Assignment SCH4U0 E (kJ/mol) 75AH +175 25-AH +50 N2e) + Oze) → N,O« +O«). 1 +25 -150+0H N2O +Oz«) → NOe) +NO) NOw +O«) → N0ze) a) Draw the potential energy diagram for this reaction below. 300 250 P. E. 200 (k J/ 150 mo 1) 100 +0218) 50 b) What is the overall reaction? N2 9) + 2 Ozcg -> c) Which step is the rate determining step? Explain why. Step 2 because it has the highest activation energy. d) What would be the rate law for this reaction? K= [ e) Explain what would happen to the rate if the concentration of Ne doubled. f) Use a dotted line to show what would happen if a catalyst was added to the reaction. g) Identify the spot on the graph that represents the transition state for reaction 2. h) Identify the intermediates present in this reaction. (Intermediates are produced and consumed in the reaction mechanisms)I + CH:C à CHI + CH Baforo the Reaotion Aftor the Reaation AB -B A B AB- B product A B-B reactantS Eransinom state Before the Reaction Transition State After the Reaction Eaergy dingram Ave Avera nergy or reactants amon Average Figure 1. Retrieved March 23, 2016, from http:// chemistry.tutorvista.com/ physical-chemistry/transition- Reaction progress progres Exothermic reaction Endothermic reaction Based on the diagram given, how does the energy of the reactants compare with the energy of the products? +iue fusen-Integrated Rate Laus A neachn 7A→ follow fiest Order einetics Products first s /a cons tant of I.56 XIs! 2/ of 1.56X105
- In the pseudo-first order hydrolysis of an ester, [ester] = 0.060 M at t = 600 s, and 0.018 M at t = 1200 s. VWhat was [A]lo, in M? O 0.33 O 0.061 O 0.14 O 0.64 O 0.20i need this reaction mechanism draw pls MeO Me Me SO₂Ph TMS₂NLI MeCO₂Me Me c THF 0 °C to RT, 90 min, 87% MeO. Me Me Me 'MeConsider the reaction of S,0. with I- in agmeons solution: S20-(an)+3 I- (an)©250¢ car) 5(92) 8. At a given temp. the rate of disa ppear ance of 'S,0?- varies with reactant concentrafions in the following manner: experiment [S20; ] (M) [I-](M) Rate (MB) 10 -4 0.034 2.6 0-027 0-03p 0-036 0.054 7.8, 1.4 0.018 10- 10- 1. 3 0.050 0.072 4 10 10 a.) Determine the ratę law and the rate constant tor the reaction