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Menthol is a crystalline substance with a peppermint taste and odor. When 0.681 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 3.63 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of menthol.
This same hydrocarbon is subjected to catalytic hydrogenation reaction conditions to yield C6H14 product, which does not rotate plane-polarized light. What is the identity of the C6H12 hydrocarbon. Draw the structure and name it.
If 0.260 moles of a monoprotic weak acid (Ka=9.0*10^-5) is titrated with NaOH, what is the pH of the solution at the half-equivalence point
Problem- Purification of copper can be acheived by electrorefining copper from an impure copper anode onto a pure copper cathode in an electrolytic cell. How many hours will it take to plate 12.0 kg of copper onto the cathode if the current passed..
The pH of the resulting solution is 2.65. Calculate the Ka for the acid.
Bisphenol A is an important component of many polymers, including polycarbonates, polyuethanes, and epoxy resins. It is synthesized from phenol and acetone with HCl as a catalyst. Propose a mechanism.
When preparing 4-bromoaniline from 4-bromo-N-ethanoylbenzenamine, the hydrolysis mixture is rendered alkaline before the steam distillation. Why. It has something to do with acid/base reactions and volatilities of ionic compounds.
a piece of galena has a volume of 3.9 cm3. if the density of galena is 7.5 gcm3 what is the mass in kg of that piece of
A sample of neon is collected at 2.7 atm and 12.0 degrees celcius. If has a volume of 2.25 L. What would be the volume of this gas as STP?
In the confirmation test that you performed for silver (I) ion, addition of nitric acid, HNO3, to a solution containing Ag+ produced the precipitate AgCl. Where did the chloride ion come from
Would using sulfuric acid instead of hydrochloric acid with zinc metal change the outcome of the reaction
How many carbon atoms does the sample contain?
A mixture of propane and butane is fed into a furnace where it is mixed with air. The furnace exhaust leaves the furnace at 337°C, 786.0 mmHg and contains only N2, O2, CO2, and H2O
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