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A stream of air at 12 bar and 900 K is mixed with another stream of air at 2 bar and 400 K with 2.5 times the mass flow rate. If this process were accomplished reversibly and adiabatically, what would be the temperature and pressure of the resulting air stream? Assume air to be an ideal gas for which Cp = (7/2)R.
Estimate a value for the total project cost that will give 98% confidence that the project can be carried out within the amount estimated.
A profit-producing property has an initial value of $50,000, a service life of 10 years and zero salvage and scrap value. By how much would annual profits before taxes be increased if a 5 percent sinking-fund method were used to determine deprecia..
question 1a describe the main purpose of the globally harmonised system of classification and labelling of chemicalsb
Explain why there are doubts incorporate zinc into transition elements mentioned properties of transition elements that are not owned by zinc
Calculate the ?S for the transfer of one mole of octane to water using the change in multiplicities assumed for the first shell of water molecules surrounding the molecules.
What is the composition by mass percent of the original mixture? Explain in detail how you arrived at this answer, writing down every step to the solution.
About 1000 kg of leaf is required to produce 1 kg of the drug. The extraction solvent (S) is a mixture containing 16.5 wt% ethanol (E) and the balance water (W). The following process is carried out to extract the drug and recover the solvent.
what is the difference in the analysed sample volume (i.e. volume of the sample from which the signal comes)?
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.
Also find the source voltage that would yield I = -8µA.
In an auto thermal reforming process, 1000 kmol/h of methane at 20 °C is compressed to 10 bar, mixed with 2500 kmol/h of saturated steam, and reacted with pure oxygen to give 98% conversion of the methane.
The precooler uses cold vapor from the separator as the cooling medium; this vapor leaves the precooler at 20 °C (stream). Perform the energy and entropy balances on the basis of 1 kg/s of liquid nitrogen produced.
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