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- In each of the following three reaction coordinate diagrams, state: (a) Whether the reaction is exothermic or endothermic. (b) Whether the reaction is the slowest, the fastest, or intermediate in rate. (c) If all three reactions have the same entropy change between the reactant and product, which reaction has the largest favorable G0.Determine the mechanism (SN1, SN2) of the reaction. H2O, heat -Br HO-Write the mechanism for the following reaction: `Br ELOH Write the mechanism and predict if the reaction above be faster or slower than the following reaction? Explain. Br ELOH
- 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 DSketch the reaction mechanism (including the final product) corresponding to the following description of; 2-bromo-4-methylpentane is being reacted with sodium cyanide in diethyl ether (set up the reaction – next you will get a description of the mechanism to draw). A lone pair of electrons from the cyanide attacks the carbon bonded to bromine, forming a new carbon-carbon bond. At the same time, the carbon-bromine bond breaks with the electron pair from the carbon-bromine bond moving toward the bromine to form a bromide ion. This will form the product 2,4-dimethylpentanenitrile and sodium bromide.Consider 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 step
- Draw out the full reaction mechanism for this acid- base reaction: Draw the arrows to show how the electrons flow from source to sink. H H | | H-C-C- Br: H H : I H C-N. H H HWrite a synthesis reaction for this mechanism:Chemistry 1. H₂0, HC1 H2 стол 2. 3. CH₂OH, HC/ he Draw the mechanism for this reaction
- Draw the mechanism for the equilibrium illustrated below. What is the process called? Is the Keq >1, <1, =1 for this reaction as illustrated. Is the equilibrium direction dictated by thermodynamics or kinetics? Explain your rationale in detail.In an SN2 mechanism, how does it work, what are all of the steps, transition state and all final products?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.