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A 36-mg sample of an organic compound (MW=84) is dissolved in 10mLof water. This aqueous solution is extracted with 5.0mL of hexane. Separation as well as analysis of the aqueous phase shows that it now contains 12mg of the organic compound. Compute the partition coefficient for the compound.
Michaeal Warren, a 45 years old movie director, has abdominal pain cramps as well as diarrhea. He has been taking ampicillin for the bacterial infection he acquire from shooting in a remote jungle a month ago. He is as well reported of having feve..
Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water.) tf and tb?
The chlorofluorocarbon CCl2F2 was once used in air conditioners as the heat transfer fluid. Its normal boiling point is 30 °C, and its enthalpy of vaporization is 165 J g-1
Show the mechanism for each step of the following reaction scheme- 3-methyl-1-pentene in CH2Cl2 treated with HBr, then NaOH, 1/3 mol equivalent of BH3?tHF and then H2O2/NaOH
What mass of helium was placed in balloon. What altitude does the balloon reach
a balloon contains 0.140 g of helium at a pressure of 1.00 atm. at what temperature will the balloon have a diameter of
Ammonia gas decomposes according to the equation:2NH3(g) N2(g)+ 3H2(g) if 15.0L of nitrogen is formed at STP, how many liters of hydrogen will be produced (Also measured at STP)
Determine the total number of moles of solid sodium hydroxide required to react with 678.00mL of 0.4500M phosphoric acid H3PO4
What is the concentration of an NaOH solution that requires 50.0 ml of a 1.25 M H2SO4 solution to neutralize 78.0 ml of NaOH?
a 0.331-g sample of aspirin prepared in the lab was dissolved in 95 ethanol and titrated to a phenophthalein endpoint
If a triacylglycerol in peanut oil that contains one oleic acid and two linoleic acids is completely hydrogenated, draw the condensed structural formula for the product.
Calculate the oxidation number of each element in the reactants and products. Identify the oxidizing agent and reducing agent based on the change in the oxidation number.
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