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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.
A steam press at 650Kpa + dryness fraction of 0.9% flows along a pipe at a rate of 3.5Kg per second. Steam mixes with additional steam that has been throttled from a pressure of 2000Kpa to a pressure of 800Kpa which enters from a branch pipe. If t..
Calculate the mass of the metal in gr than can be prepared from 150 grams of aluminum and 250 grams of iron (iii) oxide
question 1a describe the main purpose of the globally harmonised system of classification and labelling of chemicalsb
The heat capacity is defined as the amount of energy required to change the temperature of an object. The specific heat capacity is defined as the amount of energy required to change the temperature of an object per mole of the substance.
A flow process produces work using water as the working medium. The process is as follows: steam of quality 50% at 1 bar is compressed adiabatically to 20 bar; is heated isothermally by absorbing 3500 kJ/kg of heat; is expanded adiabatically to an..
Determine whether this processes is a stripping process or an absorption process. What is the total liquid and vapor flow rates at the entrance and exit of the tower
Propose a model which will show how temperature in the tank changes with time. State assumption used. Solve this model to obtain T(t) given that T(t=200s) = 50°C.
Calculate the percentage of solvent in the dried fabric by weight. What is the concentration of solvent in the dryer exhaust (in g/m3) if the exhaust is at 80 degrees C and 1 atm? The solvent has a molecular weight of 86.
Is rusting a moderate reaction? Rusting is an example of what reaction?
Which of the following is insensitive to changes in pressure ?
Main objectives of the computer aided modeling and simulation system - Critically analyze the applicability, domain, features and advantages of the various systems available.
A first order reaction requires two equal sized CSTR. The conversion is 1. more when they are connected in series. 2. less when they are connected in series.
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