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when optically active (R)-2-bromoctane ([alpha] = +39.6 degrees) was allowed to react with a mixture of water and ethanol, 2-octanol with [alpha] obs of + 1.0 degrees was obtained as the major product. From the chemical literature it is known that optically pure (R)-2-octanol has a specific rotation of -10.0 degrees. What is the optical purity, or enantiomeric excess, of the 2-octanol produced in this reaction? 10% S. What is the ratio of enantiomers of 2-octanol in the product mixture? 55% (S) and 45% (R). However, I am not sure how to draw the structure of the major enantiomer produced in this reaction. Indicate the configuration of the stereogenic center using wedged and hashed lines.
What is the pH of a solution which results from mixing 150 mL of 0.50M acetic acid and 150 mL of 0.50M sodium hydroxide at 25oC?
Magnesium oxide reacts slowly with water to form magnesium hydroxide. What would be the effect on the observed value for ∆H_rxn for the reaction of MgO if 10%
Important information about Organic Oxygen Compounds, Can an ether molecule be made out of a methanol or ethanol molecule? Why or why not?
methyl salicytate is heated in water, salicylic acid and methyl alcohol form. HOC6H4COOCH3 + H2O --> HOC6H4COOH + CH3OH 4.0mL Methyl Salicitate
Is PH3 polar or nonpolar, and why? Some sources say it's polar because of the lone pair. Others say it's nonpolar
A solution containing Pt4+ is electrolyzed with a current of 5.80 A. How long will it take to plate out 79% of the platinum in 0.50 L of a 0.010 M solution of Pt4+.
Draw the structure of the product that is formed when 1-pentyne undergoes reaction with two equivalents of HCl.
does the HCl ionize the NH3 base? is the a conjugate acid or base, HCl is a strong acid, what happens when a strong acid and weak base are mixed?
Identify the limiting reagent and the volume of CO2 formed when 11L CS2 reacts with 18L O2 to produce CO2 gas and SO2 gas at STP.
A reaction has a rate constant of 1.27×10?4/s at 29 degrees C and 0.234/s at 79 degrees C. A) Determine the activation barrier for the reaction. B) What is the value of the rate constant at 15
How do the values of delta G compare to those calculated from delta H and delta S? which of these two methods could be used to determine how delta G changes with temp?
A solution containing 3.50 of sodium carbonate is mixed with one containing 5.00 of silver nitrate. How many grams of sodium carbonate are present after reaction?
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