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(1) Assuming the equal reactivity of each proton in carbocation formed as an intermediate in dehydration of 2-methyl-2-butanol calculate what should be the ratio of 2-methyl-2-butene to 2-methyl-1-butene. Then, calculate an actual ratio of both products in your experiment (based on GC results).Explain the difference between the calculated and observed results (please, do not provide a trivial answer such as "because protons at x position are more reactive").
(2) Explain, why you used sulfuric acid in the experiment, not HCl.
(3) Give the structures and names (including description of stereochemistry) of three alkenes produced in dehydration of 3-methyl-3-pentanol.
4. What is a purpose of adding sodium carbonate to the flask in the brewing step?
5. Why it is important that your brewed tea be cool before starting liquid-liquid extraction with methylene chloride?
6. (a) Write down the equation for reaction of caffeine with salicylic acid to form caffeine salicylate.
(b) Suppose you got 70 mg of caffeine and you used all of it to synthesize caffeine salicylate. What is the theoretical yield (in grams) of this reaction. Show your calculation.
List five food product would give a positive iodine-starch test for carbohydrate mention somthing beside potato
determine the value Keq at 400K for the decomposition of phosphorus trichloride of [PCl5]=0.135 mol/L, [PCl3]=0.550mol/L.. and [Cl2]=0.550mol/L the equation for the reaction.
five grams of the specified pure solvent is placed is placed in a variable volume piston. What are the molar enthalpy and total enthalpy of the pure system when 50% and 75% have been evaporated at
Compare and contrast diethyl ether as a general anesthetic to the modern gaseous ther general anesthetics used today. What are the benefits
A 309 mL sample of unknown HCl solution reacts completely with Na_2CO_3 to form 10.1 g CO_2. What was the concentration of the HCl solution?
When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately.
apply to separation of a solution containing pentanol (FM 88.15) and 2,3-dimethyl-2-butanol (FM 102.17). Pentanol is the internal standard.
a photon of ultraviolent lights possesses enough energy to mutate a strand of human dna. what is the energy of a single uv photon and a mole of uv photons having a wavelength of 25 nm
Draw a Lewis structure for each of the following molecules, and then use the VSEPR theory to predict the molecular deometry of each.
describe the mechanism for the reaction of bromine to Ethene and state the type
Before the collision what is the complete Eigen-function of the molecule? assuming the surface is located at x=0, and V (x =0)=0 and tha tthe molecule is located at a position X>>0. which means the molecule can be treated as a free mass in the re..
A 25ml solution of quinine was titrated with 1.00 M hydrochloric acid, HCl. It was found that the soluiton contained 0.125 moles of quinine. What was the pH of the solution after 50 ml of the HCl solution were added? Quinine is monobasic with pKb=..
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