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FeS(s) dissolves by the addition of HNO3 in a manner similar to that of CuS(s). In the process, the Fe2+ ion is oxidized to Fe3+ ion. Write an equation for this reaction.
Calculate the mass of nitrogen dissolved at room temperature in an 80.0 {rm L} home aquarium. Assume a total pressure of 1.0 {rm atm} and a mole fraction for nitrogen of 0.78.
Draw a flow diagram simply showing how to separate a neutral organic compound from an organic acid and purify both.
1 mole of a hydrocarbon of formula CnH2n was burned completely in oxygen producing carbon dioxide and water vapour only. It required 192 g of oxygen. Work out the formula of the hydrocarbon.
potassium permanganate was used to determine the percentage of iron (Fe, At weight: 55.845? in an ore sample. the procedure included dissolving the iron wiht HCl and then converting all the iron in the ore to Fe2+ using several reagents.
What is the fraction of association (α) for the following potassium propionate solutions? Ignore activities. The Ka of propanoic acid is 1.34 × 10-5.
an aqueous solution that contains 285ppm of potassium nitrate kno3 is being used to feed plants in a garden. what
Assume air in tank is mixed and that air is an ideal diatomic gas. For a heated tank what heat rate must be applied to keep the tank air temperature constant? For a perfectly insulated tank, what is the tank air temperature after 100 seconds? The ..
Write the names of the following compounds
Electromagnetic radiation has an energy of 926 J. The wavelength of this radiation is 856 nm. How many photons are required to generate this energy?
What is the range of acetaminophen dosages, expressed in mg accetaminophen/kg body weight, for chidren who weigh between 24 and 35 b?
How many grams of nitrogen monoxide are produced when copper metal reacts with nitric acid to form water and 5.92 g of copper(II) nitrate in addition to the nitrogen monoxide
What is the mass of CO2 in one liter of water if the pressure above the water is 2 atm? (MW CO2 = 44 g/mol), Cg = kH Pg Please show steps
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