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If a Sodium oxalate, Na2C2O4,in solution is oxidized to CO2(g) by MnO4(-) which is reduced to Mn(2+) . A 50.3mL volume of a solution of MnO4(-) is necessary to titrate a 0.340g sample of sodium oxalate. This solution of MnO4(-) is then utilized to analyze uranium-containing samples. A 4.62g example of a uranium-containing material needs 32.0 mL of the solution for titration. Define the oxidation of the uranium can be represented by the change UO(2+) --> UO2(2+). Compute the percentage of uranium in the sample
As a result, the pressure inside the vessel drops to 30.64 atm at 25 C. Calculate the final percent by mass of ozone in the vessel.
Calculate the wavelength of a photon emitted when 1x10^-27 g particle in a box of a length 6.0 Angstrom goes from n=5
Half an alka seltzer tablet is dissolved and completely reacted in 25mL of HCL, and the gas produced displaces 0.240L of water from a secondary flask.
Iron (3) oxide and aluminum powder form an extremely violent reaction (called Thermite) when burned together. This is an oxidation reduction reaction. One of the products formed is pure iron. Determine what element is getting oxidized.
How many moles of each reactant are used in the epoxidation of cholesterol. Assume the 3-chloroperoxybenzoic acid is 80% pure. The reactants in this experiment were 3-chloroperoxybenzoic + Cholesterol
The small bubbles that form on the bottom of a water pot that is being heated (before boiling) are due to dissolved air coming out of solution.Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen ga..
If 225.6 grams of calcium phosphate are produced in a precipitation reaction, how many moles of the salt have been formed
Certain sunglasses have small crystals of silver chloride (AgCl) incorporated in the lenses. When the lenses are exposed to light of the appropriate wavelength, the following reaction occurs:AgCl->Ag + Cl.
ammonia reacts with oxygen according tot he following equation4nh35o24no6h2o deltahrxn -906kjcalculate the heat in kj
Sulfate becomes bound to four Al(CH3)3 fragments in the dianion [Al4(CH3)12SO4]^-2. Using the bond angles and lengths as a guide decide if the Al(CH3)3 groups alter the SO4^2- group significantly upon formation of the [Al4(CH3)12SO4]^-2 product. E..
Calculate the final temperature of the mixture assuming no heat loss to the surroundings. The heat capacities of H20(s) and H20 (l) are 2.03 and 4.18 J/g deg C, and the enthalpy of fusion for ice is 6.02 kJ/m.
Why is it bad to add boiling H20 to ethanol solution during aspirin recrystallization. also can someone provide a mechanism of the production of aspirin from salicylic acid and acetic anhydride without the use of an acid catalyst
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