Helium is charged into a 0.5 ft^3 vessel where the final conditions indicate a pressure of 300psia and temp of 100F. Calculate mass of helium in the vessel if molar mass of helium is 4 g/mol.

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Q: the 'salting-out" process in an extraction procedure, the replaces the in the water.

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Q: What functional group can you get from its IR spectrum? Support your answer by identifying prominent...

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Q: An Erlenmeyer flask contains 41.40 mL of a hydrochloric acid. The solution is titrated and reaches a...

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Q: Fill in the blanks: is applied when TLC will be used to isolate compounds. It uses a plate.

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Q: 7. a) A solution was prepared by dissolving 0.02 moles ethanoic acid in water to give 1 L of solutio...

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Q: The decomposition of 3.87 g NaHCO3 yields 1.90 g Na2CO3. What is the percent yield of this reaction?...

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Q: metal ions: Cu2+, Co2+, Ba2+, Pb2+, Ag2+ , Mn2+, Ca2+, and Bi3+. How can these ions

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Q: Dinitrogen trioxide, N2O3(g) decomposes to NU(g) and NO2(g) TH an 10.5 kJ.mol-) that comes to equili...

A: N2O3(g) --> NO(g) + NO2(g).     ∆H = 40.5 KJ.mole^-1    

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Q: How many peaks can you identify from the NMR spectrum? To which does each chemical shift peak corres...

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