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Purpose the structures of all of the possible stereoisomers produced by the reduction of benzil to hydrobenzoin. Draw Fischer projections of the molecules. Designate each stereogenic center as R or S. Indicate whether the molecules is chiral or achiral. Allocate the stereochemical relationship between the isomers
Draw an energy level diagram for the interaction of two atom each with an s orbital. Show how the MO's would be occupied if the two atoms in question were H atoms and if they were He atoms. What conclusions are to be drawn about the formation of a..
the specific heat of ethylene glycol is 2.42 J/g-K. How many J of heat are needed to raise the temperature of 62.0 g of ethylene glycol from 13.1 C to 40.5 C ?
Suppose that you wanted to be sure that a metal ion, any metal ion, would dissolve in water. What salt of the metal ion compound would you choose
what amount of solid naoh must be added to 1.0l of a .10 m h2co3solution to produce a soln with h 3.2 x10-11m? there
Calculate the number of moles containing each of the following. Express your answer to three significant figures and include the appropriate units. A.) 1.42×1022 atoms of sodium
A solution containing 50.0 mL of 0.15 M C2H3COOH is titrated with 0.15 M NaOH. What is the pH of the solution after the addition of 25 mL of NaOH. pKa for C2H3COOH is 4.76.
write a balanced equation for the reaction and find the mole ratios of the reactants and products. find the volume of oxygen in liters formed at 25 *C if the gas is collected over mercury under an atmospheric pressure of 670 torr.
At what radius in the H atom does the radial distribution function of the ground state have a) 50 percent b) 75 percent of its maximum value
Protein Sequencing Question. Determine the sequence of a peptide consisting of 14 amino acids on the basis of the following data
an atom of a certain element has 20 electrons write the ground state configuration of the element
Suppose 0.0864 mol of Br_2_ is placed in a 1.44 L flask and heated to constant temperature at which the halogen partially dissociates to atoms
Under conditions for which chlorine gas has an effusion rate of 2.4x10^-6 mol sec^-1, what would be the effusion rate for bromine gas, in mol/sec
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