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Define why the bond order of N2 is greater than that of N2+ however the bond order of O2 is less than that of O2+?
Perchloroethylene, as well known as perc, is the solvent utilized in most dry cleaning. It consists of C and Cl. Find out the empirical formula of perchloroethylene given that a 2.58-g sample yields 1.37g Co2 in a combustion analysis experiment
Which has the greater buffer capacity a) a mixture containing 0.0500 mol of NH3 and 0.100 mol of NH4CL or b) a mixture containing 0.100 mol of NH3 and 0.200 mol of NH4CL
The temperature changes from 25 degrees C to 29 degrees C. What is the enthalpy (ΔH) of the reaction? (use 4.184 J/g degrees C as the specific heat of water)
Which of the following is the most effective buffer system for a pH value of 4.45?
at 80 degc the vapor pressures of pure liquids x y and z are 385 190 and 66 mm hg respectively. what pressure must be
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0011% Pb by mass. How much of the water (in mL) contains 150 mg of Pb. The density of the solution is 1.0 g/mL.
A 455-g piece of copper tubing is heated to 89.5 oC and placed in an insulated vessel containing 159 g of water at 22.8 oC. Assuming no loss of water and a heat capacity of 10.0 J/K for the vessel
Compute the vapor pressure at the temperature of 25 degree Celsius of H 2 O above a solution formed by mixing 100.
Several new pieces of equipment are being used in the experiment along with all previous equipment. Using the internet, briefly state why we are using each piece of equipment in this experiment and illustrate with a picture.
in the experiment of recrystallization of naphthalenewhat is the additional step should be added to this procedure to
For the cyclohexanes substituted in the positions indicated, identify the substituents as either axial or equatorial in chair conformers. For example, a 1,2-cis relationship means that one substituent must be axial and one equatorial.
use any resources available to you to find the structures of these drugs and then identify the functional group or
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