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Draw the structure of the product(s) of the reaction between (R)-3-phenylbutan-2-one and ethylmagnesium bromide, followed by acidification. Use wedge and dash bonds to indicate stereochemistry. If more than one stereoisomer is formed, draw them all.
in a patient with insulin-dpendent diabetes mellitus who forgot to administer insulin, you would expect to see all of the following after a high sugar meal except
A solution of salicylate dianion is prepared by mixing 0.158 g of reagent grade acetylsalicylic acid in 5 mL of 1 M sodium hydroxide and heating the mixture until all of the solid dissolves.
What mass of water can be heated from 36C to 100C by burning this piece of coal? Answer in units of g.
If the pH of the solution is 5.4, calculate the molar concentration of H^ + (aq) in the solution.. In (M)
Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 11.5g of HF and 25.0 g
Calculate the freezing point depression of a solution containing 0.20% wt/v glucose (mol wt of 180) and 0.5% NaCl
How many grams of calcium chloride would you dissolve in water to make a total .111 M calcium chloride solution with 200 mL final volume?
Predict whether each of the following bonds is ionic, polar, covalent, or nonpolar covalent: a) Si--O; b) K--Cl; c) S--F; d) P--Br; e) Li--O; f) N--P.
Calculate the ratio of the potential energies for the interaction of a water molecule with an Al3+ ion (of radius 53 pm) and with a Be2+ ion (of radius 27 pm).
What causes cycloalkanes to have two less hydrogen atoms than similar alkanes that are open chain ones?
If the final concentration of CN- is 0.5 M at equilibrium, what is the equilibrium concentration of uncomplexed Fe3+ ions The Kr of Fe(CN)6 3- is 1.0 x 10^42
Iodine-131 is a radioactive isotope. After 9.00 days, 46.0% of a sample of 131I remains. What is the half-life of 131I
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