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As of the osmotic pressures of polychloropre density = 1.25g/cm3 in toluene density = 0.858g/cm3) at 30C
c(mg/cm3) -- h (N/m2)1.33 -- 302.10 -- 514.52 -- 1327.18 -- 2469.87 -- 390
Find out the molar mass of polychloroprene
Calculate the Ksp for zinc phosphate if 1.18 10-4 g of zinc phosphate dissolved to make 5.0 L of a saturated solution.
Consider the monobromination of 4-ethylheptane using Br2 and UV light. How many unique alkyl halide products could be formed during this reaction
A chemist adds 295.0mL of a 0.071M potassium permanganate (KMnO4) solution to a reaction flask. Calculate the mass in milligrams of potassium permanganate the chemist added to the flask.
Electrolysis of molten MgCl2 is the final production step in the isolation of magnesium from seawater by the Dow process.
Complexes of a given metal with ligands higher in the spectrochemical series like CN- will display _______ crystal-field splitting and will absorb light towards the ____ end of the spectrum.
Write the half reactions (reactions at Anode and Cathode) and net redox reaction and explain the diagram
The vapor pressure of ethanol at 34.7 degrees Celsius is 100mmgh, and the heat of vaporization of ehanol is 38.6 kj/ mol. What is the vapor pressure of ethanol in mm Hg at 65.0 degree celcius
how many grams of ch4 must be burned to release 490 kj of heat based on this thermochemical equationch4 2 o2 --gt co2
Using standard reduction potentials, calculate the standard Ecell, emf, for each of the following reactions. State if each reaction is spontaneous or nonspontaneous
Which will experience the greater effective nuclear charge, the electrons in the n=3 shell in Ar or the n=3 shell in Kr. Which will be closer to the nucleus. Explain.
What is the change of energy when an electron of boron travels from the 4th energy level to the 2nd energy level
The formation of a white solid id often observed after alpha-phenylethylamine comes into contact with carbon dioxide in the atmosphere. What is that white compound? Give an equation that shows its formation.
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