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A gaseous compound containing carbon as well as hydrogen was analyzed and found to consist of 83.65% carbon by mass. At 139C and 1.00 atm, the density of this compound is 2.55g/L. Define what is the molar mass?
Salicylic Acid and Acetic Anhydride --> Acetylsalicylic Acid and Acetic Acid C7H6O3 + C4H6O3 --> C9H8O4 + C2H4O2 Salicylic Acid - 1.75g 1.6 equivalents of acetic anhydride for every equivalent of salicylic acid.
Using two different methods, determine delta G degree at 25 degrees for the formation of POCl3 from its constituent elements
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.50 M B(aq) with 0.50 M HCl(aq). (a) before addition of any HCl
Determine the mass of the hydrate and the mass of the sulfate after removing the water. 2. Calculate the number of moles of water and the number of the moles of the anhydrous sulfate
In which pair of substances below does the substance with the greater entropy not follow the substance with the lesser entropy
We are unable to detect iron via atomic spectroscopy. The problem is we have added Fe-EDTA in a formulation. For detection of Fe, we digest the formulation (sample) with H2SO4 (usual practice) but we are unable to detect Fe by atomic spectroscopy.
What problems might arise if a hot solution is filtered by vaccum filtration. What is meant when aniline is referred to as the "limiting reagent" in the reaction with acetic anhydried
A turn-of-the-century chemist isolated an aromatic compound of molecular formula C6H4Br2. He carefully nitrated this compound and purified three isomers of formula C6H3Br2NO2, one of which was obtained in very small amounts. Propose a structure fo..
describe how these limestone objects are corroded by the sulfuric acid in polluted air, what chemical reaction is involved here?
At 25 degrees the rate constant for the first order decomposition of a solution is .00640. If the starting concentration is .0314M, what will concentration will remain after 62.0 min at 25 degrees
A paint mixture containing 25.0 wt% of a pigment and the balance water sells for $18.00/kg, and a mixture containing 12.0 wt% pigment sells for $10.00/kg. If a paint retailer produces a blend containing 17.0 wt% pigment, for how much ($/kg) should..
Calculate the mass in kilograms of 3.99 liters of acetic acid. The density of this subatance is 1.05 g/mL
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