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The maximum value of n in [Cu(EN)n]2+ for a Cu2+-EN solution is the key to a gravimetric method for determining the amount of Cu2+ in an unknown aqueous solution. In this method, we add excess EN and potassium tetraiodomercurate (II) (k2HgI4) to the solution, and the Cu2+ precipitates as [Cu(EN)n] [HgI4]. Assuming that the Cu2+ is the limiting reagent , what mass of [Cu(EN)n] [HgI4] should be isolated for each milligram of Cu2+ in solution
Calculate the equilibrium constant Kp for the reaction, {rm SO_2 (g) + 2 H_2S (g) rightleftharpoons 3 S(s) + 2 H_2O(g)} at a temperature of 298 rm K
Some ice cubes at 0 degrees C with a total mass of 379g are placed in a microwave oven and subjected to 750. W (750. J/s)of energy for 5.00 minutes. (Assume all energy of the microwave is absorbed by the water and no heat loss by the water.)
In a laboratory investigation involving a neutralization reaction, a scientist adds potassium hydroxide to nitric acid (balanced reaction following):
what is the maximum mass of an object traveling at 549 m·s-1 for which the de Broglie wavelength is observable?
Important information about Organic Oxygen Compounds, Can an ether molecule be made out of a methanol or ethanol molecule? Why or why not?
The heat of vaporization of a substance is 2800 J/g at its boiling point of 219 degree C. How much of this substance can be vaporized if 62800 J energy are available?
synthesis of methyl orange as a guide, outline an experimental strategy for its synthesis, using any shelf-stable starting materials of your choice. Be sure to also include relevant details such as solvents, reaction temperature, cooling/heating
A 5.325g sample of methyl benzoate, a compound found in perfumes, was found to contain 3.758g of carbon, 0.316g of hydrogen, and 1.1251g of oxygen.
Consider the following reaction: 2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O How many molecules of B2O3 are made by the reaction of 164.9 g of B5H9
Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25. Suppose that 1.15 of rubbing alcohol evaporates from a 65.0 aluminum block.
Geologists can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and then decays with first-order kinetics and a half-life of 4.5 billion years. A rock is found to contain 84.3% of the am..
Write the element symbol and charge. How many unpaired electrons are there in the ground state of this ion
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