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Calculate the compression ratio (final/ inital volume) required to raise the temperature of air, initally at 1 bar and 300K to 900K. What is the final pressure? Air can be considered an ideal gas with Cv = 5R/2 at all conditions of interest.
Phosphoric acid is produced by the reaction of calcium phosphate, Ca_3(PO_4)_2, with sulfuric acid. How much phosphoric acid can one make from exactly one U.S. ton (2000 lbs) of calcium phosphate
Identifying an unknown hydrocarbon, Is it possible to identify what the hydrocarbon is with just knowing the volume of it (9.61 ml), the mass (7.669 g/ml), density (0.798 g/ml)?
he maximum contaminant level (MCL) for barium (Ba) in drinking water is 2.0 mg/L. Barium can combine with sulfate (SO42-) to form BaSO4(s), which precipitates out of the water. This can be achieved by adding Na2SO4
find the percent composition of a compound that contains 1.94g of C, 0.48-g of H and 2.58-g of S in a 5.00-g S sample of the compound
A sample of magnesium sulfate heptahydrate having a mass of 7.35 g. is dried completely. How many grams of dry product are expected to be found
A cylinder, with a piston pressing down with a constant pressure, is filled with 1.90 mole of a gas (), and its volume is 40.0 liter (). If 0.400mole of gas leak out, and the pressure and temperature remain the same, what is the final volume of th..
write the balanced chemical equation and corresponding equilibrium expression for the each step in the ionization of phosphoric acid ( apolyprotic acid ) in water?
One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is constant at 77°C. Weights are removed suddenly from the piston to give the following sequence of three pressures
Magnesium has 3 stable isotopes with masses of 23.98504 u, 24.98584 u respectively. If the percent abundance of magnesium-25 is 10.13%, What are the percentages of the other two isotopes
air of one kilogram is allowed to expand reversible in a container behind a piston in such a way that the temperature
How much heat is required to convert 32 g of ethanol at 27 degrees C to the vapor phase at 78 degrees C?
The best reagent or sequence of reagents for carrying out transformation A and transformation B are
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