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1) In the reaction workup, why does the addition of HCL cause the product to precipitate?
2) Explain why iodination occurs preferentially ortho to the hydroxyl group of the ring.
3) What is the role of each reactants (NaI, and NaOCl) in this transformation?
Write a balanced chemical equation showing the formation of the salt, Na3PO4, from the reaction of the appropriate strong acid and strong base, and name each compound in the equation.
The neutral OH molecule has been implicated in certain ozone-destroying processes which take place in the upper atmosphere. a.) Assuming the electron added to OH is entirely localized in a single atomic orbital on one atom
Iron crystallizes in a body-centered cubic structure. The volume of one Fe atom is approximately 8.37 10-24 cm3, and the density of Fe is 7.874 g/cm3. Calculate an approximate value for Avogadro's number.
a scientist wants to make a solution of tribasic sodium phosphate na3po4 for a laboratory experiment. how many grams
What is the density of a substance if a 2.50mL sample has a mass of 0.880g at room temperature? ( show calculations) What is the specific gravity of the substance?
An emission line from K atoms is found to have two closely spaced components, one at 766.70nm and the other at 770.11nm. Account for this observation, and deduce
How many grams of NaOH are needed to neutralize 20.0 mL of 0.150 M H2SO4 solution? (b) How many liters of 0.500 M HCl(aq) are needed to react completely with 0.100 mol of Pb(NO3)2(aq)
the molecular orbital theory provide an explanation for the existence of the covalent molecule Na2 in the gaseous state. How would you predict Na2 by the Lewis theory?
How many grams of NaN3 are required to produce 15.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L.
Which unit would you most likely use to measure the difference between the elevation of an airplane in flight and the height of a car on a road
A sulfuric acid solution is 54.0% H2SO4 by mass and has a density of 1.59 g/mL at 20 C. What is the molarity and molality of the H2SO4 solutions
Draw a triacylglycerol (triglyceride) made from glycerol, myristic acid [CH3(CH2)12COOH], palmitic acid [CH3(CH2)14COOH], and oleic acid [CH3(CH2)7CH=CH(CH2)7COOH(cis)].
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