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Ferrocene cannot be nitrated using the conventional HNO3-H2SO4 mixed acid conditions, even though nitration is an electrrophilic aromatic substitution reaction. Explain.
Calculate the volume of a gas if 10.0 ml of pure alcohol (C2H6O) is vaporized at its normal boiling point. (assume 1 atm pressure)
Show how you would synthesize meso-2,3-butanediol from acetylene and any compounds containing no more than four carbon atoms.
A 25.00mL portion of this solution required 17.56mL of hydrochloric acid(0.1396 mol/L) for complete neutralization. Calculate the percent of sodium carbonate in the mixture.
What is the Brownian diffusivity of a 0.2 um (micrometer) particle in air? Assume T = 293 K and P = 1 atm.
A 22.0 mL sample of vinegar, which is an aqueous solution of acetic acid, HC2H3O2 , requires 24.5 mL of 0.450 M NaOH to reach the endpoint in a titration. What is the molarity of the acetic acid solution
Find the change in entropy (S) for the system, surroundings and universe for the conversion of 1 mol of ice at 0 degrees C and 1.00 atm to 1.0 mol of steam (vapor) at 100 degrees C and 0.50 bar
What is the probability that in the ground state of the hydrogen atom, the electron will be found at a radius greater than the Bohr radius
A certain ore is 32.8% nickel by mass. How many kilograms of this ore would you need to dig up to have 10.0g of nickel
In a particular solution, [Cr3+]=3.9x10-4 mol/L. What is the minimum pH at which Cr(OH)3(s) will precipitate from this solution. Assume the temperature is 25oC. For Cr(OH)3(s), Ksp=6.3x10-31 at 25oC. Give your answer with three digits
1) Identify the compound with the highest wavelength in an UV spectrum. a. benzene b. phenol c. phenolate ion d. aniline e. anilinium ion
A researcher suspects that the pressure gauge on a 49.9-L gas cylinder containing nitric oxide is broken. An empty gas cylinder weighs 135 lb. The weight of the partially full cylinder is 161.5 lb. This cylinder is located in a relatively chilly s..
how many kcals of heat energy would be required to vaporize 35 grams of h2o that demonstrated a temp. of 246
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