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How would you prepare 2-chloro-2-methyloctane in a lab begining with 2-methyl-2-octene and hydrochloric acid? It is reacted over heat with Ch2Cl2. Choose any masses and solvents you deem necessary.
A proton in a linear accelerator has a de Broglie wavelength of 143 pm. What is the speed of the proton?
You dissolve 261 mmol of sodium bicarbonate into a total volume of 1.2 L. What is the molarity of sodium bicarbonate in this solution?
Fluorine-18, which has a half-life of 110 min, is used in PET scans. If 123 mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m.?
the molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol and its normal boiling point is 91 degrees celsius. what is the vapor pressure of BBr3 at 27 degree celsius ( R=8.314 kJ/mol)?
what is the empirical formula of a compound containing 16.6% by mass of silicon and 83.4% by mass of chlorine? if the molecular mass of the compound is 336g/mol what is the molecular formula.
Furoic acid, HC5H3O3, has a Ka value of 6.76 10-4 at 25C. Calculate the pH at 25C for a solution formed by mixing 28.0 mL of 0.260 M HC5H3O3 and 23.0 mL of 0.21 M NaC5H3O3 and diluting the total volume to 125 mL.
what mass of ammonium chloride can be added to 100 grams of water at 20 degrees celcius before the solution becomes saturated?
HNO3 has 2 dissociating ions whereas Al(NO3)3 has 4, which should result in a higher conductance value. Would this have something to do with aluminum nitrate being paired with water as a solid?
The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. But given the same kinetic energies, a lighter molecule will move faster than a heavier molecule.
Draw the mechanism for each reaction you will do today. Pyridinium tribromide releases molecular bromine, so molecular bromine is the brominating agent.
Determine the vapor P lowering, freezing point depression, boiling point elevation, and osmotic pressure when the sample is dissolved in 10.0 g water
What was the initial temperature of the Cu metal If the final temperature of the Cu-H 2 O mixture was at twenty five degree celsius? (The specific heat of copper = 0.377 J/(g°C).)
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