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Wet air containing 4.0 mole% water vapor at 76°F and 14.8 psia is passed through a column of calcium chloride pellets. The pellets absorb 97% of the water and none of the other constituents of the air. The column packing was initially dry and had a mass of 3.40 kg. Following 5.0 hours of operation, the pellets are reweighed and found to have a mass of 3.52 kg. Calculate the molar flow rate (mol/h) of the feed gas and the mole fraction of water vapor in the product gas.
Routine monitoring at a chemical process facility has detected fugitive emissions (leaks) of volatile organic compounds around several equipment valves, pump and compressor seals.
A) A horizontal tube having a 1.25 cm outside diameter is submerged in a water 1 atm and 100 oC. Determine the heat flux for the surface temperature of (a) 540 o C, (b) 650 o C,
in the combustion of heptane in oxygen CO2 was produced.if 500kg of dry ice was produced of which 50% of the CO2 was converted to dry ice,what is the amount of heptane needed to bu
percent air
Q. Write short notes on cloud and pour point of lubricant. Ans. Cloud and pour point of lubricant: When the temperature is lowered up to a particular point, the oil becomes
counter current extraction
what are applications of polymers?
fing the neceessary and sufficient conditions for the numbers s and t to make the LP problem maximise z=x+y subject to:sx+ty x;y>0 have an optimal solution be feasible b
free radical mechanism
Materials used for DC applications are: Iron and low-carbon steels (maximum carbon 0.05 %) • Iron-Nickel alloys (Permalloy) • Iron-Cobalt alloy (Permendur)
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