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An aqueous solution at 18C contains H2SO4 and H20 and the mixture has a specific gravity of 1.382. Assuming that the H2SO4 and H20 mix ideally what would the density of pure water be?
After 200 seconds has passed, what is the concentration of sulfates in the drinking water sample.
Use the angular overlap method to calculate the energies of both ligand and metal orbitals for trans {Cr(NH3)4Cl2}+, taking into account that ammonia is a strong sigma donor ligand than chloride , but chloride is a stronger pie donor. use the 1 an..
Draw the boundary surface diagrams for the following atomic orbitals, including the appropiate axes. a) 4py
The molecule iodine monochloride ICl has a diple moment of 1.6 D and a bond length of 2.32 A. What is the effective charge on I in untis of electronic charge e
The wavelength is 6100 Angstrom and the stopping potential is 0.5(eV). calculate the Photon Energy(eV) and Work function(eV).
Calculate the percent manganese in the sample as Mn3O4 (only part or none of the manganese may exist in this form, but we can make the calculations on the assumption that it does)
Sodium bisulfite solution is added to an experiment at the end in order to destroy the unreacted bromine. What reaction is occuring here? Is HSO3- acting as an oxidizing or reducing agent? Write a balanced equation.
A mixture of 82.49 g of aluminum (MM = 26.98 g/mol) and 117.65 g of oxygen (MM = 32.00 g/mol) is allowed to react. Identify the limiting reactant and determine the mass of the excess reactant present in the vessel when the reaction is complete.
What is the energy implied by the mass defect? If this energy is carried away in a single photon, what is its wavelength? To what part of the electromagnetic spectrum does this correspond
A weather balloon has a volume of 450 L when filled with helium at 45oC to a pressure 0.80 atm. What is the new volume of the balloon in an atmosphere where the pressure
a compound of carbon and hydrogen was burned in air to produce carbon dioxide and water. the number of moles of carbon
In the DNA double helix, adenine forms three hydrogen bonds with thymine D) In the DNA double helix, cytosine forms three hydrogen bonds with guanine
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