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A reaction of clacium phosphate and sulfuric acid results in calcium sulfate and phosphoric acid. If 250 grams of calcium phosphate react with 3 mol of sulfuric acid will 3 mol of calcium sulfate be formed?
which of the following is NOT a vitamin that is used by cells to produce a cofactor requires by alpa-ketogluterate dehydrogenase
Calculate the freezing point of a 2 molal solution of a nonelectrolyte glucose. feezing point constant for water being 1.86 C/molal
Write the mass balance equation and charge balance equation for a solution that is 0.1 M FeCl3 and 0.2 M FeCl2
you need 4.5L of nitric acid solution with ph 6. you have unlimited amounts of nitric acid solution with a hydronuim ion concentration of 0.01M. Describe how you would form the required solution from the standard solution?
What is the mole fraction of each component in a mixture of 12.45g of H2, 60.67g of N2 and 2.38g of NH3
Gas Nitrous Oxide (N20) is used as an anesthetic and in aerosol cans to produce whipping cream. It is a potent greenhouse gas and decomposes slowly to N2 and O2.
Balance the equations and indicate the type of reaction. CaO +HCl -> CaCl2 + H2O. and also, Fe + O2 -> FeO3.
Chromium metal can be produced from the high temperature reaction of Cr2O3(chromium(III) oxide) with silicon or aluminum by each of the following reactions
Molybdenum crystallizes in a body-centered cubic array of atoms. The edge of the unit cell is 0.314 nm long. Calculate the density of this metal.
A sample of a liquid from an unlabeled bottle was subjected for analysis: MS showed that M+ has an m/z of 89 and IR displayed bands at 2995-2840 cm-1, and 1562, and 1425. Identify the functional group in the molecule and provide 2 possible structu..
An automobile gasoline tank holds 49kg of gasoline. When the gasoline burns, 172kg of oxygen are consumed and carbon dioxide and water are produced.
Develop an argument based on bond enthalpies for the importance of SiO bonds in substances common in the Earth's crust in preference to SiSi or SiH bonds
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