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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?
A sample of nitrogen occupies a volume of 546 mL at STP.What volume would nitrogen occupy at 177C under a pressure of 380 torr?
The next 6 questions involve the calculation of concentrations of the molecular and ionic species in an aqueous solution that has an analytical composition of 0.060 M KH2PO4 + 0.460 M K2HPO4.
Tween-20 is a detergent that is often used in immunological assays. Concentrated Tween-20 a viscous liquid and is difficult to accurately pipette in small amounts. Because of thism it is common to make a 10% stock of Tween 20 i nwater and use this..
When CS2(g) (6.437 mol) and 51.91 grams of H2(g) in a 190.0 L reaction vessel at 983.0 K are allowed to come to equilibrium the mixture contains 1.444 mol of CH4(g). What concentration (mol/L) of CS2(g) reacted? CS2(g)+4H2(g) = CH4(g)+2H2S(g)
Calculate the amount of heat transferred when 46.0 g of CH3OH is decomposed by this reaction at constant pressure.
Calculate the number of moles of electrons needed to produce 5.12g of copper from the electrolysis of a solution of CuSO4.
In an electrochemical cell, which of the following statements is FALSE? A. The cathode is the electrode where reduction occurs. B. The anode is electrode where oxidation occurs. C. A spontaneous electrochemical cell is called a galvanic cell. D. A..
Solid Lithium hydride is added to water. Find the complete molecular, complete ionic, and net ionic formulas.
Benzene has a boiling point of 80.1 degrees celcius and a molal boiling point elevation constant of 2.53 degrees celcius/m. Calculate the boiling point of a solution containing 15.0 g of the non-electrolyte C6H4Br2 in 125 ml of benzene (sp gravity..
A piece of gold foil has a volume of 0.645cm^3. If the piece of gold measure 10.0 cm by 12.5cm, what is the thickness of the foil
In countries where potassium iodide is added to salt, iodine deficiency or goiter has been almost completely eliminated. The recommended daily allowance (RDA) for iodine is 150 pg/day.
the same retention but different selectivity as what precentage of mixtures for acetonitrile/water and tetrahydrofuran/water?
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