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The solubilities of cholesterol in water and chloroform are 0.520 mg/100mL and 1.00 g/4.5mL, respectively. Estimate the partition coefficient of cholesterol between chloroform and water. Explain what conclusion can be drawn about the polarity of cholesterol?
if you wanted to prepare a solution of co in water at 25 in which the co concentration was 2.1 mm what pressure of co
How much heat is required to warm 227 g of ice from -44.9°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
A beaker has a mass of 225.08g. When a liquid is added to the beaker, the combined mass is 238.254g. What is the mass in grams of the liquid
If the volume of blood in an adult is 5.0L, what is the mass of HCI that the buffer can neutralize before the pH falls below 7.0
What volume (in mL) of 0.583 M solution of sodium chloride can be made from 48.3 mL of a 1.88 M solution? Assume the volumes are additive
when reacting cyclopentadiene with maleic anhydride why is theendo-adduct formed exclusively? why does the exo-adduct
Radio waves travel at the speed of light, 3.00x10^8 m/s. if you were to broadcast a question to an astronaut on the moon, which is 239,000 miles from earth, what is the minimum time that you would have to wait to receive a reply?
one of the lines in the emission spectrum of sodim has a wavelength of 590 nm. what is the frequeuncy of this line?
Adding a concentrated solution of NH4OH(aq) caused the precipitation of Cr+2 and Fe+3 as insoluble hydroxides. The Cu+2 remained in solution and forms the complex ion Cu(NH3)4+2. Which balanced molecular equations represent each of these reactions
How much energy is required to vaporize 98.6 g of ethanol (C2H5OH) at its boiling point, if its ΔHvap is 40.5 kJ/mol?
the energy is 18.44 kj/mol and for the methyl group in equatorial position the energy was 8.66 KJ/mol based on this information which is more stable and why?
You then take 0.1657 g of pure reagent from bottle A, dissolve it in 100.0 mL of water, and titrate it in a precipitation titration against 0.0424 M Ba2+. The volume of Ba2+ required to reach the endpoint is 22.40 mL. a) What is the calculated mol..
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