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Compound A, , was found to be optically active. On catalytic reduction over a palladium catalyst, 2 equivalents of hydrogen were absorbed to yield compound B. Ozonolysis of A gave two compounds. One was identified as acetaldehyde, . The other compound, C, was an optically active dialdehyde, . Compound A has _____ chiral center(s) and compound B has _____ chiral center(s).
compute the mass of air in an air-filled tire and the also determine the mass of he in a helium-filled tire. suppose
Why is water a reactant in the fermentationof sucrose? Enter the solubility-product expression
Choose the selection which lists the following substances in order of increasing boiling point (lowest boiling substance listed first): CS2, N2, and CBr4 a) N2
What is the difference between selectivity and sensitivity as these words pertain to sensors? Why or why not would you want a very sensitive sensor?
The molarity of C2O42- in a saturated solution of CdC2O4 was determined to be 0.000122 M. Calculate the solubility product constant (Ksp) for CdC2O4.
acetone ch32co. has a density 0.7857 gcm3.determine the mass of 28.56 ml of acetone and express your answer in grams?
A student heats 5.128 g sodium bicarbonate to completely decompose the sample to sodium carbonate. 3.2349 g of sodium carbonate was produced. Calculate the atom economy of this reaction.
Calculate the solubility of Carbon Dioxide in water at an atmospheric pressure of .50 atm.( a typical value at high altitude). Atmospheric Gas: CO2 Mole Fraction
We wish to prepare a buffer of pH 10 using common laboratory reagents. How many mL of 6M HCl would we have to add to a solution prepared by adding 100 mL of 15M NH3 to 200 mL of water?
At high temperature, ammonia reduces copper(II) oxide to the free metal: Step 1: 2NH3(g) + 6CuO(s) => N2(g) + 3Cu2O(s) + 3H2O(g) Step 2: 2NH3(g) + 3Cu2O(s) => N2(g) + 6Cu(s) + 3H2O(g)
A vapor composed of 0.20 mole fraction ethanol and 0.80 mole fraction acetic acid at 120.0 mmHg (absolute), is in equilibrium with a liquid phase also composed of ethanol and acetic acid. Assume that the liquid is an ideal solution and apply Raoul..
write up the chemical reaction between resorcinol and phtalic anhydride.
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