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What is the name of the product that results when 4-methylcyclohexane is treated with 2% ethnolic PBP solution?
Using the solution CoCl2 and distilled water, how would you prepare 100 mL of a 0.0600 M solution of CoCL2. what absorbance would you expect from the solution from part a, at the wavelength of maximum sensitivity
a quantity of liquid methanol is introduced into a rigid 3 l vessel the vessel is sealed and the temperature is raised
Determine the mass of Cr 3 + in the original solution if The total mass of the precipitate = 49.6 .
Compare the amount of A extracted by two extractions using 50 mL of diethyl ether each to the amount extracted by a single 100 mL extraction of the ether. Which is more efficient?
Which of the following solvents would be the best choice to extract a slightly-polar organic compound from an aqueous solution? Explain why each of other solvents is less desirable than the solvent you have chosen.
How many moles of a gas fill a flask with a volume of 146 mL at 101Celsius and a pressure of 754 torr
58.0 mL of a 1.30 M solution is diluted to a volume of 228 mL. A 114-mL portion of that solution is diluted using 141 mL of water.
What is the [H3O+] and the pH of a buffer that consists of 0.21 M HNO2 and 0.57 M KNO2? (Ka of HNO2 = 7.1*10^-4) Define What is the component concentraion ratio
Calculate the energies of the first four rotational levels of H^127 free to rotate in three dimensions, using for its moment of inertia I=uR^2, with u= mHmI/(mh+mI) and R= 160 pm.
Gas x effuses 0.629 times as far as oxygen under the same conditions. what is the molar mass of gas x.
A 5.50 g sample of an unknown is dissolved in 251. g of benzene. The freezing point of the solution is 1.02 C below the normal freezing point of pure benzene.
Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of Zn and H+ in the balanced reaction. Zn^2+(aq) + NH4+(aq) yields Zn(s) + NO3-(aq)
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