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The specific rotation of Compound X is +15.2o. A mixture of Compound X and its enantiomer are placed in the polarimeter and the observed rotation is -5.1o. Which enantiomer is in excess? (+ or -) Calculate the enantiomeric excess.
What is the pH of a solution which is 0.025M in weak base and 0.035 M in the conjugate weak acid (Ka=7.1 x 10^-6)c
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 21 A?
What holds solids or liquids and carries out reactions? what is used to mix or combine two or more substances? what it used to support an iron ring or clamp?
What is the molar mass of X if 0.85g of X depresses the freezing point of 100g of benzene by 0.47Cdegrees?
Find the concentration of Ca2+ and IO-3 in a saturated Ca(IO3)2 solution prepared by adding Ca(IO3)2 to a 0.015 M solution of KIO3
Then 10.00ml of this solution is diluted further to 100ml. What is the molarity of this last solution?
After the washing in this preparation, the 1-bromobutane was treated with anhydrous sodium sulfate
For the synthesis of ammonia given below, calculate the free energy change, delta G, from the elements under standard conditions at 25 degrees celcius. N2 (g) + H2(g) -> NH3(g)
How much heat is realesed at constant pressure if a 10.0-L tank containing 87.0atm of hydrogen sulfide gas condenses at its boiling point of -60.0 Celsiuse?
she decomposes the mixture in the exact same manner as the lab, and isolates 154 mL of water at the end. if the water temperature is 24oC and the atmospheric pressure is 742 torr, what was the percent by mass of mercury oxide in the mixture
What are the main differences between the Friedel-Crafts alkylation and Friedel-Crafts acylations? Predict the Friedel-Crafts acylation products of the Lewis acid-catalyzed reaction of acetyl chloride
Terephthalic acid is an organic compound used in the formation of polyesters. It contains 57.8 percent C, 3.64 percent H, and 38.5 percent O. The molar mass is known to be approximately 166 g/mol. What is the molecular formula of terephthalic acid..
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