Complete this sentence: The mechanism of the reaction below is Хоты Nal 2 and the rate of this reaction depends on the concentration of Select one: ○ SN1; compounds 1 and 2. ○ SN2; compound 1 only. SN1; compound 1 only. SN2; compounds 1 and 2. SN2; compound 2. 3
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- Which of the following is the rate determining step for this reaction: HBr Tui H-Br Br: A OA B C D O O O O Br: B C DConsider the following reaction mechanism. Step 1: 2X + Y- W + 2 Z fast Step 2: Z- U+ V slow Step 3: V+Z-2 W + Y fast The rate-limiting step is Step because. 1; the first step must occur before any others can occur O 2; it uses a product of the first step O 3; the last step is always the rate-limiting step O 2; it is the slowest stepWhich molecule is a reaction intermediate in the mechanism of the reaction shown below? a. OH 人士 O b. O O d. l 1. OH MgBr (2 equiv.) 2. H3O+
- onsider the pair of reactions. Draw the organic products, then predict the pected rates. W Reaction 1: CI: Reaction 2: CI: + + :0-CH3 (0.1 M) :0-CH3 (0.2 M) DMA DMA2NO2(g) + F2(g) -> NO2F(g) H°rxn = -284 kJ/molrxn NO2(g) and F2(g) can reactto produce NO2F(g), as represented above. A proposed mechanism for the reaction has two elementary steps, as shown below. Step 1: NO2 + F2 -> NO2F + F (slow) Step 2: NO2 + F -> NO2F (fast) a.) Write a rate law for the overall reaction that is consistent with the proposed mechanism. b.) On the incomplete reaction energy diagram below, draw a curve that shows the following two details. The relative activation energies for the two elementary steps The enthalpy change of the overall reaction Can all of them be solved please, and thank you very much!Which of the following statements is correct? The bigger the AG, the slower the reaction. The bigger the AG, the faster the reaction. The AG of reactions may be changed by adding a catalyst. The AG of a reaction depends on the mechanism. The AG of a reaction depends on the mechanism (i.e. the path).
- Q27. The gas phase reaction between SiH2 and H20 was studied, and the following mechanism was proposed. M is a buffer gas which takes away energy as heat; you can treat it as a regular reactant. 1) SİH2 + H20 F SİH2-H2O* K 2) SİH2-H2O* + M SİH3OH Assuming that the first step is a pre-equilibrium step and the second step is rate-limiting, derive the rate law for this mechanism.Identify the correct rate equation for the two-step reaction below. + CH;OH OH O a. Rate=k[C(CH3)3|] Ob.Rate=k[C(CH3)3l][CH3OH] c. Rate=k[C(CH3)3l]? d. Rate=k[CH3OHJ?3) Explain why the reactions below proceed at different rates and have different product OTS OTS KOtBu slow KOtBu fast and
- 2ClO2(aq) + 2OH-(aq) ClO3-(aq) + ClO2-(aq) + H2O(l) The above reaction was studied (at a particular temperature) and the following data (for rate = -d[ClO2]/dt) were obtained: [ClO2]0 [OH-]0 Initial Rate (mol/L) (mol/L) (mol L-1 s-1) 0.170 0.170 1.43 0.340 0.085 2.87 0.340 0.170 5.74 hello, i am confused about the order of clo2 given the data above. When 1 use rate 1 and 2 given thier respective clo2 intial concentrations, i get first order for clo2, but when i use rate 1 and rate 3 and thier respective clo2 intial concentrations, i get an order of 2 for clo2. so which order is correct for clo2 given this data? first order or second order?The following mechanism has been proposed for the reaction: C,H5COOH = CH;CO,H; fast; constants k,and k_1) C,HsCO2H e CgH5CO* + H20 (fast, constants kɔand k-2) C,H;CO + HX + H20 C,H,NH, + N2 + CO2 (slow; constant k,) A. What intermediate(s) are formed in this mechanism? B. What is the rate law, based on the above mechanism? C. The overall rate constant for this reaction is 0.200 x 10 L mol's. Is this value consistent with your answer to B? Explain. D. Sketch a reaction-energy diagram consistent with the above mechanism and the enthalpy change calculated earlier. Label the enthalpy change and each transition state. Explain the appearance of your graph.Which species has the greatest rate of appearance in the reaction below? 2 H₂S + O₂ → 2 S + 2 H₂O A) H₂S B) O₂ C) S D) H₂O E) S and H₂O have identical rates