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Methane is compressed adiabatically in a pipeline pumping station from 3500 kPa and 308.15 K (35°C) to 5500 kPa at the rate of 1.5 kmol s-1. If the compressor efficiency is 0.78, what is the power requirement of the compressor and what is the discharge temperature of the methane?
Explain what is meant by the term Threshold Limit Values (TLVs). Describe briefly the different TLVs used by Industrial Hygienists. Outline the strengths and weaknesses of these occupational exposure limits and illustrate how they may best be u..
The equilibrium constant should vary with temperature according to the relation Kp = ae-b/T use the results of part (b) to determine the values of a and b by a graphical curve-fitting procedure. [Suggestion: Use the spreadsheet program from part (..
From among the following, choose one which is not an exothermic process. 1. Ammonia synthesis 2. Methanol synthesis
At one time, biologists thought that fungi were merely forms of plants that had lost their chlorophyll and had returned to saprotrophy to gain food. Why is this no longer considered a solid theory?
Stoichiometry of Ammonia Synthesis, Show that the maximum concentration of NH3 is obtained in an ammonia synthesis process when the ratio of nitrogen to hydrogen
In addition, what volume of 0.100 M Na3PO4 is required to precipitate all the lead(II) ions from 150.0 mL of 0.250 M Pb(NO3)2? Explain how you arrived at your answer, and show all of your work.
A process to produce 1000 kgmol/h acetaldehyde, ethane is fed to the reactor at 1500 kgmol/h and the fractional conversion is 0.8. The product stream contains 2 mol% CO2. Calculate the molar composition of the product stream and the fractional select..
Calculate the standard enthalpy of combustion per gram of liquid methanol and compare this answer to that for ethanol in Exercise 75.
Why is a polycrystalline alumina sheet (i.e. substrate) usually white and not transparent? What must be changed to make it transparent?
Suppose you pour a gallon of water on a yowling cat 10 ft below your bedroom window. (a) How much potential energy (ft · 1bf) does the water lose?
When one mole of H2O(g) is condensed to one mole of H2O(l) at 1.00 atm and 100.C, 40.66 kJ of heat is released. If the density of H2O(l) at this temperature and pressure is 0.996 g/cm3, calculate E for the condensation of one mole of water at 1...
A stylized 108 saccade is shown in the following figure. Estimate z and n for the Westheimer model described in Section 12.4. Calculate the time to peak velocity and peak velocity
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