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A sample of a compound is decomposed in the laboratory and produces 120.1gcarbon, 30.2ghydrogen, and 80.0goxygen.
How many different aldols (b-hydroxyaldehydes), including constitutional isomers and stereoisomers,
What is the simplest explanation of why the 45kD and the 90kD proteins copurified the column. What would be an alternative explanation
Determine a crystallization of sulfanilamide in which 10mL of hot95% ethyl alcohol is added to 0.10 g of impure sulfanilamide. After the solid has dissolved the solution is cooled to room temperature and then placed in an ice-water bath.
Imagine you preformed Sn2 reaction to form N-methyl benzyl ammonium bromide. The only impurity present in N-methyl benzyl ammonium bromide after the reaction is the benzyl bromide starting material
The nitro substituent was introduced in meta position of the methyl benzoate in nitration of methyl benzoate. Why does it prefer the meta position and not ortho and para
How much limestone in kilograms would be required to completely neutralize a 5.2 x 109 L lake containing 5.0 x 10-3 g of H2SO4 per liter
What is the mole fraction of propane in the liquid phase inside the tank. Given: Volume of propane tank = .001 m^3, mass of pure propane = 0.05 kg, temperature = 25 degrees Celsius.
What mass (in grams) of this substance must evaporate to freeze 200g of water initially at 15 degrees C? (The heat of fusion of water is 334 J/g; the specific heat of water is 4.18 J/g-K.)
After i titrated the weak acid with the strong base i plotted my point and found the equivalence point to be V=7.82 mL and a ph of 8. SO moles of acid is = to moles of base at equivalence point so moles was determined to be 0.0004012 moles and the..
What is the partial pressure of argon, in torr, in a container that also contains neon at 147 torr and is at a total pressure of 536 torr?
Problem- An atom of a particular element is traveling at 1% of the speed of light. The de Broglie wavelength is found to be 4.15?10?3 pm. Which element is this
These changes are brought about by a heater that supplies heat at a constant rate of 1000 W. Sketch graphs showing a) the temperature vs. time b) the enthalpy vs. time c) Enthalpy vs. temperature for this process. Mark the salient features.
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