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The air in a 5.00-L tank has a pressure of 1.20 atm. What is the new pressure, in atm, of the air when the air is placed in tanks that have the following volumes if there is no change in temperature? a) 1.00 L. b) 2500. mL. c) 750. mL. d) 8.0 L.
A dead alkaline battery is found to contain a compound of Mn and O. Its analysis gives 69.9% Mn and 30.4% O. What is the empirical formula for the substance.
the liberated CO2 was collected on calcium oxide and found to weigh .0515g. Calculate the percentage of aluminum in the sample
You will titrate a boric acid solution that has absorbed the ammonia from a soil sample. It is not necessary to know the exact volume or concentration of the boric acid. Explain why not
if you lived in the mountains where the atmospheric pressure is 685 mm Hg, what would the partial pressure of oxygen and of nitrogen be ?
Iron has a body-centered cubic unit cell, and a density of 7.87 g/cm3. Calculate the edge length of the unit cell, in pm.
The combined flow to the two tanks is .1 m^3/s. the depth of each tank is 2 m and each has a detention time of 4 h. what is the surface area of each tank and what is the overflow rate of each tank in m^3/d*m^2?
This mixture has density of 1.391g/L and occupies a volume four times as that of pure hydrocarbon. Determine the molecular formula of the hydrocarbon.
What is a likely mechanism for the reaction below: (2Z)-7-methylocta-2,6-dienal using heat and a hydroxyl to form 6-methylhept
If toluene(density 0.87) were used to extract ethylene bromohydrin (density 2.41) from an aqueous solution.
determine that the temperature of your distilled water is 24.5°C. You carefully determined the mass of a clean dry beaker and found that it was 58.1884 g.
A biochemical engineer isolates a bacterial gene fragment and dissolves a 10mg sample in enough water to make 30ml of solution. the osmotic pressure of the solution is .340 torr at 25 degrees C. the molar mass of the gene fragment is 1.81x10^4 g/m..
Based on the structure and boiling point(176-177C) of Eucalytol. what aspects of this molecule allow it to separate from hexane? And which of the following temperature option of is best for separating eucalytus oil and why?
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