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Propylene oxide is a chiral molecule. Hydrolysis of propylene oxide gives propylene glycol, another chiral molecule.
(a) Draw the enantiomers of propylene oxide.
(b) Propose a mechanism for the acid-catalyzed hydrolysis of pure (R)-propylene oxide.
(c) Propose a mechanism for the base-catalyzed hydrolysis of pure (R)-propylene oxide.
(d) Explain why the acid-catalyzed hydrolysis of optically active propylene oxide gives a product with lower enantiomeric excess and a rotation opposite that of the product of the base-catalyzed hydrolysis.
chlorine has an average atomic mass of 35.453 amu. the main isotopes of chlorine are 35cl which has an atomic mass of
The molar solubility of AgCl in 6.5 x 10^-3 M AgNO3 is 2.5 x 10^-8 M. In deriving Ksp from these data, which of the following assumptions are reasonable? A) Ksp is the same as solubility.
A chemist burns 160 g of aluminum in oxygen to produce aluminum oxide. She produces 260 g of aluminum oxide. Write a balanced equation and calculate the theoretical yield and percent yield.
Density of liquid methanol, Determine the density of liquid methanol in (lb/ft^3) and convert heat capacity, thermal conductivity and viscosity from SI units to English Units.
Urea is an organic compound widely used as a fertilizer. its solubility in water allows it to be made into aqueous fertilizer solutions and applied to crops in a spray. what is the maximum number of water molecules that one urea molecule can hydrog..
What type of crystal (atomic, molecular, ionic, metallic, or network covalent) are crystals of each of the following:
Why the presence of a phenyl group causes loss of stereospecificity in this alkene bromination?
Calculate the lattice energy for the hypothetical ionic compound M2X from the information given below.
A compound contains C, H and S. Elemental analysis performed on 172.5mg sample produced 299.0mg CO2 and 163.2mg H2O. What is the correct empirical formula
Calculate the molarity of a solution made by dissolving 0.650 Na2SO4 grams of in enough water to form exactly 950 mL of solution.
an aqueous solution is 22.0 by mass silver nitrate agno3 and has a density of 1.22 gml. what is the molarity of silver
Write the structure of the carbocation formed by the protonation of C-2 or C-3 to verify that it is not allylic and therefore not as stable as the one formed by the protonation of C-1 or C-4.
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