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Pure (S)?2?bromo?2?fluorobutane reacts with methoxide in methanol to yield a mixture of (S)?2? fluoro?2?methoxybutane and three fluoroalkenes. a) Use mechanisms, including all appropriate arrows, to illustrate how the three fluroalkenes are formed. b) Propose a reaction mechanism, including all appropriate arrows, to show how (S)?2?bromo?2? fluorobutane reacts to give (S)?2?fluoro?2?methoxybutane. Has this reaction gone with retention or inversion of configuration?
Bond Energies, Using the bond energies below, determine the value and sign of delta H for the
Transesterification of a certain triglyceride produced one molecule of methyl oleate and two molecules of methyl linoleate. Draw the original triglyceride.
What was the concentration, in mol/L and mg/L, of Cu^2+ and Zn^2+ in the original solution? If the solution was prepared by dissolution of 0.654 g of brass in 250.00 mL solution, what the percentage of copper and zinc in the original sample of bra..
Suppose that the observed melting point range of a solid was originally 150-160 °C, but this became 145-145.5 °C after recrystallization. How might you account for this observation
How many grams of ethylene glycol would be needed to prevent 4kg of water from freezing above -5.0 degress C
Which of the following are true statements about myosin? Select all the true statements. A. In a muscle cell, myosin tails group together to form a thick filament. B.The tail of the myosin molecule acts as a molecular lever.
A balloon is inflated to a volume of 8.3 L on a day when the atmospheric pressure is 652 mm Hg. The next day, as a storm front arrives, the atmospheric pressure drops to 620 mm Hg
Calculate the expected theoretical yield of aspirin based on exactly 1 g of salicylic acid and 3.50 mL of acetic anhydride (density = 1.082 g mL-1).
Calculate the cell potential E for a silver-silver chlroide lectrode immersed in 0.800 M KCl at 25 C.
What volume of hydrogen at STP is produced by dissolving 13.49 g of aluminum in excess sulfuric acid? A. 11.2 L B. 14.9 L C. 16.8 L D. 22.4 L
Calculate the change in the molar Gibbs energy of hydrogen gas when its pressure is increased isothermally
Calculate the pH at the equivalence point in titrating 0.010 M solutions of each of the following with 0.081 M NaOH. (b) hypochlorous acid (HClO), Ka = 3e-08 pH = _?_ It's not 8.3
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