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Compound A (C18H18O4) was boiled with aqueous soidum hydroxide solution, and a high boiling point was obtained by distillation of the alkaline solution. Acidification of the residue gave a precipitate of compound (C8H8O2) when heated on a crucible lid, burned with a smoky flame. When C is treated with thionyl chloride or phosphorus trichloride, compound D was prouced, and this with ammonia gave compound E (C8H9NO). Compound E was heated with bromine and aqueous sodium hydroxide to give compound F (C7H9N). Compound F was treated with cold sodium nitrite and an excess of hydrochloric acid a colorless gas was evolved, and when the resulting liquid reaction mixture was added to an alkaline solution of phenol the mixture remained virtually colorless. After purification, high b.p. liquid B was found to have a vapor density of 31. Combustion of 0.0209 g of B of carbon dioxide and 0.0174 g of H2O. Oxidation with aq. alkaline permanganate readily gave oxalate ion. Identify A-F write the equations for th ereactions
A solution of sodium hydroxide is prepared by mixing 2.00g of NaOH with 10.0g of water. The percent, by mass of NaOH is what?
what is the freezing point of an aqueous solution of a nonvolatile solute that has a boiling point of 102.45 0C?
The specific heats of ice and water are 2.09 and 4.184 J/g.°C, respectively. The heat of fusion for water is 334 J/g.
How can one decompose superabsorbent polymers? That is how can one make the dry crystals smaller?
A mixture was prepared with the following initial concentrations: [CO] =0.20M, [H2O] = 0.30 M. No formic acid, HCHO2, was initially present. What was the equilibrium concentration of HCHO2?
What type of compound is produced by the reduction of aldehydes and ketones?
Calculate pCu2+ at each of the following points in the titration of 50.0 mL of 0.001 M Cu 2+ with 0.001 M EDTA at pH 11.00 in a solution whose NH3 concentration is somehow fixed at 0.100 M: a) 45.0 mL b) 50.0 mL c) 55.0 mL
When given a problem with an aqueous solution containing Na3PO4 and you need to find the boiling point of the solution only knowing the solution is 18.7% by mass Na3PO4 and the Kb for water is .512 It also says to consider if the solute is an elec..
Draw the skeletal structure of the major organic product given that excess NaOD
Use the appendices in your textbook to estimate the normal boiling point of water at 1 atm. Compare the temperature obtained with the known boiling point of water. Can you explain the discrepancy. At what temperature does water boil
A toothpaste contains 0.24 % by mass sodium fluoride, NaF and 0.30 % by mass of triclosan, C12H7Cl3O2. The mass of one tube of toothpaste is 119 g.
The glass electrode used in commercial pH meters gives an electrical response proportional to the concentration of hydrogen ion. To convert these responses to a pH reading
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