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What is the concentration of free [Cu2+] in an aqueous solution prepared as 0.25M in Cu2+ and 1.50M [NH3]. Cu2+(aq) + 4NH3? [Cu(NH3)4]2+ (aq) Kf = 5.0 x10^12
what is the K value for compound Z in this biphasic system, (2) how much do you remove in each individual extraction, (3) how much of compound Z is extracted with those three 33.3 mL extractions added together, AND (4) how much is still in the wat..
The top stream contains diesel and heating oil. The middle stream contains heating oil and lubricating oil, and the bottom stream contains the solids
A gas in thermodynamical equilibrium consists of a mixture of 75 % hydrogen and 25 % helium in mass. Calculate the abundances in partical fractions.
Draw the Lewis dot structure of phosgene. Include all 3 resonance forms by alternating the double bond among the 3 terminal atoms. Which resonance structure is best?
Calculate the height of a column of methanol that would be supported by atmospheric pressure. The density of methane is .787 g/cm^3.
draw,clearly showing the bonding between atoms, the simplest alkane molecule consisting of hydrogen and carbon, describe the molecule shape and bond angles.
Calculate the concentration of silver necessary to begin precipitation of AgCl from a solution in which the Cl concentration is 7.4e-4 M.
Draw structure of the product(s) (show stereochemistry) of bromine addition to fumaric acid assuming that bromine adds to this compound the same way it does to cinnamic acid.
A reaction of importance in the formation of smog is that between ozone and nitrogen monoxide described by: O3 +NO ---> O2 +NO2
The density of magnesium oxide is 3.58 g /cm3. Given that the radius of the O2- ion is about 140 pm in most oxides, calculate the radius of Mg2+, in pm. Your solution should include a sketch one face of the unit cell of MgO to show how the edge le..
A saturated solution of magnesium fluoride , , was prepared by dissolving solid in water. The concentration of ion in the solution was found to be 1.18×10?3
be at the same concentration B) collide with suffiecient energy to break bonds C) bounce off the walls of the container
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