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The gas SO2is being scrubbed from a gas mixture by pure water at 303 K and 1.013x105Pa. The inlet gas contains 6 mol % SO2and the outlet 0.3 mol% SO2.The tower cross-sectional area of packing is 0.426 m2. The inlet gas flow is 13.65 kg mol inert air/h andthe inlet water flow is 984 kg mol inert water/h. The mass transfer coefficients areHL=0.436 m and kGa=6.06x10-7kg mol/s m3Pa and are to be assumed constant in thetower for the given concentration range. Use equilibrium data from Appendix A.3. Bynumerical or graphical integration, determine NG.Calculate the tower height. (Note: Theequilibrium line is markedly curved, so numerical integration is necessary even for dilutemixture.) (Ans. NG=8.47 transfer units, z=1.311 m.)
263Sg decays by emission. What is the other product resulting from the decay of 263Sg?
Derive the following equation for the optimum outside diameter of insulation on a wire for maximum heat loss:
What pressure would you choose for operation of the fermenter, and how would you control it?
Find the optimal temperature versus time profile for the reactor and determine how long the process should be operated before the catalyst is changed out.
oleum or fuming sulfuric acid available commercially in concentrations ranging from 20 to 99.9 sulfur trioxide. a.
Hydrogen gas at a pressure of 1.25 bar is contained in a thick-walled neoprene rubber sphere which has inner and outer radii of 70 mm and 80 mm, respectively.
A 184.6-mg sample of K2Cr2O7 is dissolved in enough water to make 500.0 mL of solution. c. A 0.1025-g sample of copper metal is dissolved in 35 mL of concentrated HNO3 to form Cu2 ions and then water is added to make a total volume of 200.0 mL. (C..
Determine the highest value of voltage regulation for full-load output at rated secondary terminal voltage.
A 100-turn coil in the configuration of Figure P12.1.3 is rotated at a constant speed of 1200 r/min in a magnetic field. The rms induced voltage across the coil is 1 kV, and each turn has a length l = 112.5 cm and a width w = 10 cm. Determine the ..
Calculate the ratio of the network over the amount of heat absorbed at the high temperature of the cycle. How does this value compare to the theoretical efficiency of the Carnot cycle that is calculated based on the two operating temperatures?
This solution is then reacted with an acidic solution containing periodate ion; the products are the permanganate and iodate ions. Write balanced chemical equations for both these steps.
Propane is isothermally compressed from 0.01 bar, -51.4 °C to 17 bar. The process takes place reversibly in a closed system. Draw the PV graph of the process.
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