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A compound is 42.9% C, 2.4% H, 16.7% N, and 38.1% O, by mass. Addition of 6.00 grams of this compound to 50.0 ml benzene, C6H6 (d = 0.879 g/mL), lowers the freezing point from 5.53 to 1.37 degrees celsius. What is the molecular formula of this compound
Determine the ΔH solution for this compound If the heat of solvation for this compound = -30.8 kJ/mol , crystal lattice energy = -62.2 kJ/mol.
It has a pressure of 46.3 mmHg and 24.6 C (degrees). what is the molecular formula og the compound
What fraction of thiocyanate ion is accually converted into the complex ion?
If the pressure in the cylinder is 5.28 atm after the neon is added, what was the original pressure (in atm) of argon in the cylinder?
Assume a wind turbine with a hub 50 meters above the ground, a rotor diameter of 60 meters and a wind-conversion efficiency of 25 percent. The turbine operates in an area with an average wind-power density of 700 watts/sq meter at 50 meters altitude.
Calculate the wavelengths of the following objects: a) a muon(a subatomic particle with a mass of 1.884x10^-25 g) traveling at 3.00x10^2 m/s
When aluminum reacts with concentrated hydrochloric acid, hydrogen gas evolves. The hydrogen is collected by displacement of water at 22ºC at a total pressure of 750 torr.
What is the concentration of the solution prepared by adding enough water to 4.00 mL of 3.25 M NaOH to make 20.00 mL total?
On treatment of Compound D with an alcoholic solution of silver ammonium hydroxide, a silver mirror was formed within a few minutes. Identify the hydrocarbon A and Compounds B-D.
The lab was where we had to carry out aldol condensation to prepare benzalacetophenones using C7H5OCl and acetophenone. The result was 4-chlorobenzaldehyde
will strontium sulfate form a precipitate at 25 degrees celcius when 345mL of a solution that is .0100M in Sr+2(aq) is added to 75mL of a .175M SrSO4
Alkyl halides add to alkenes in the presence of AlCL3; yields are the highest when tertiary halides are used . predict the outcome of the reaction of t-pentyl chloride
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