Consider the following reaction: (CH3) 3CB + H20 - (CH3) 3COH + HBr a: What will happen to the rate of the reaction if [(CH3) 3CB1] is doubled b: What will happen to the rate of the reaction if [H,0] is doubled c: What will happen to the rate of the reaction if both [ (CH3) 3CB ] and [H20] are doubled
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- What happens to the rate of an SN2 reaction under the following conditions? [RX] is halved, and [:Nu−] is doubled.10 What is the rate of reaction when the transition state free energy is 22.84 kJ/mol? What is the rate of reaction when the transition state free energy is 142 kJ/mol? SHOW YOUR WORK.Below is the equation for a nucleophilic substitution reaction and some experimental data. CH3CH2Br + CH3COO- ⇌ CH3CH2CO2CH3 + Br- ΔH=-75 kJ/mol Rate = k [CH3CH2Br][CH3COO-] Which reaction energy profile would be the best representative of the data provided?
- a. Draw an energy diagram for this reaction. be sure to label axes, starting materials, any reactive intermediates and products.b. Draw the transition state of this reaction. If an atom has a positive charge indicate it with sigma+/-.Draw an energy diagram for each reaction. Label the axes, the startingmaterial, product, transition state, ΔHo, and Ea.a.) a concerted reaction with ΔHo = −80 kJ/mol and Ea = 16 kJ/molb.) a two-step reaction, A → B → C, in which the relative energy of thecompounds is A < C < B, and the step A → B is rate-determiningAs we will learn, many antioxidants–compounds that prevent unwanted radical oxidation reactions from occurring–are phenols, compounds that contain an OH group bonded directly to a benzene ring.a.) Explain why homolysis of the O–H bond in phenol requiresconsiderably less energy than homolysis of the O–H bond in ethanol(362 kJ/mol vs. 438 kJ/mol).b.) Why is the C–O bond in phenol shorter than the C–O bond in ethanol?
- Which is most likely to have the slowest reaction rate? A) A reaction with Ea = 220 kJ/mol at a moderate temperature. B) A catalyzed reaction. C) A reaction with Ea = 550 kJ/mol at a low temperature. D) A reaction with Ea = 220 kJ/mol at a high temperature.An SN1 reaction is shown in the box; the reaction energy profile diagram for this reaction is shown below. Identify the location for Compound I on the reaction profile. A) 1 B) 2 C) 3 D) 4 E) 5Which reaction is faster, one with Eact = +41.8 kJ/mol or one with Eact = +20.9 kJ>mol? Explain.
- The conversion of acetyl chloride to methyl acetate occurs via the following two-step mechanism: a.Add curved arrows to show the movement of the electrons in each step. b.Write the rate equation for this reaction, assuming the first step is ratedetermining. c.If the concentration of −OCH3 were increased 10 times, what would happen to the rate of the reaction? d.If the concentrations of both CH3COCl and −OCH3 were increased 10 times, what would happen to the rate of the reaction? e.Classify the conversion of acetyl chloride to methyl acetate as an addition, elimination, or substitution.what is the rate at which Br- (aq) disppears in reaction below if the rate of disappearence of BrO3- (aq) is 0.022 M/sDraw an energy diagram for each reaction. Label the axes, the starting material, product, transition state, ?H°, and Ea.a. a concerted reaction with ?H° = –80 kJ/mol and Ea = 16 kJ/molb. a two-step reaction, A -> B ->C, in which the relative energy of the compounds is A < C < B, and the step A -> B is rate-determining.