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How many GRAMS of zinc iodide are present in 1.56 moles of this compound? and explain to me how to find it
List the predominant species in Fe(NH4)2(SO4)2 6H2O solution. What is the net ionic equation for formation of iron (II) oxalate via the reaction of potassium oxalate and Fe(NH4)2(SO4)2 6H2O
Write and balance net ionic equation for oxalic acid reacting with permanganate ion in acidic solution.
Calculate the number of grams of anhydrous sodium oxalate needed to prepare 250 mL of .04500 M sodium oxalate solution.
A solution is prepared by dissolving 0.13 of acetic acid and 0.13 of ammonium chloride in enough water to make 1.0 of solution
Although all bond lengths in benzene are identical, that is not always true for all aromatic compounds. In napthalene, for instance, the C1-C2 bond is shorter than the C2-C3 bond. Explain, using rea
How many grams of solid barium sulfate form when 25.5 mL of 0.160 M barium chloride reacts with 69.3 mL of 0.055 M sodium sulfate? Aqueous sodium chloride is the other product.
One useful method for recycling scrap aluminum converts some of it to common alum [potassium aluminum sulfate dodecahydrate, KAl(SO4)212 H2O], an important dye fixative and food preservative.
The best design for rockets is one in which both fuel materials run out at the same time to minimize excess mass. If the total mass of both components in a decaborane/oxygen rocket must be 3.011E+6g
Write a balanced chemical equation that shows the reaction that occurs when an aqueous solution of BaCl2 reacts with an aqueous solution of Na2SO4 to form aqueous sodium chloride and solid BaSO4. In
Sulfur, S8, combines with oxygen at elevated temperatures to form sulfur dioxide. If 288 oxygen molecules are used up in this reaction, how many sulfur molecules reacted. In the reaction above, how
Determine the stiochiometric coefficients for the reaction, (3CaO Al2O3 3SiO2) + a(CaO Al2O3 SiO2)= b(CaO Al2O3 2SiO2) + c(2CaO Al2O3 SiO2)
What is the chlorine flow rate at the reactor pressure and temperature. If the etching rate of silicon is 0.50min, and the wafer is 300 mm in diameter, how many moles of silicon are etched per hour
In the production of printed circuit boards for the electronics industry, a 0.235 mm layer of copper is laminated onto an insulating plastic board. Next a circuit pattern made of a chemically resist
Cacodyl, a compound containing arsenic, has an almost intolerable garlic-like odor. Its molar mass is 210g/mol and it is 22.88% C, 5.76% H and 71.36% As. Determine its emperical and molecular formul
Vanillin is a common flavoring agent. It has a molar mass of 152g/mol and is 63.15% C and 5.30% H. The remainder is Oxygen. Determine the molecular formula of vanillin.
Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 1.695-g sample of Mg metal is added to 125.0 mL of a 4.00 M HCl solution, and the reaction goes
In a laboratory, you determine that the density of a certain solid is 5.23\times10^{-6}\;\rm kg/mm^3. Convert this density into kilograms per cubic meters.
One of the first steps in the enrichment of uranium for use in nuclear power plants involves a displacement reaction between and aqueous HF.
Hydrocarbon mixtures are used as fuels. What mass of CO2 gas is produced by the combustion of 189.2 g of a mixture that is 57.6 % CH4 and 42.4% C3H8 by mass
What feature of atomic emission spectra is incorporated in the schrodinger model of the hydrogen atom
Acrylonitrile is an important building block for synthetic fibers and plastics. Over 2 billion pounds of acrylonitrile are produced in the United States each year. The compound is synthesized from p
Given Heisenbergs uncertainty principle, how can it be that it is so important for quantum mechanics, but not much of a concern for our every day actions
The combustion of pentane with oxygen is a well known process. Write a balanced equation for the reaction of pentane, C5H12, with oxygen, O2, forming the products carbon dioxide, CO2, and water, H2O
Nitrogen and Oxygen form an extensive series of oxides of general formual NxOy; at least 7 are known. One of them is a blue solid that comes apart reversibly in the gas phase. It contains 36.84% N a