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n-Hexane is burned with excess air. An analysis of the product gas yields the following dry-basis molar composition: 6.9% CO2, 2.1% CO, 0.265% C6H14 (+O2 and N2). The stack gas emerges at 760 mm Hg. Calculate the percentage conversion of hexane, the percentage excess air fed to the burner, and the dew point temperature of the stack gas.
A supply of nitrogen is required as an inert gas for blanketing and purging vessels. After generation, the nitrogen is compressed and stored in a bank of cylinders, at a pressure of 5 barg.
The resulting products are cooled and passed over a medium-temperature shift catalyst that gives an outlet composition corresponding to equilibrium at 350 °C.
The unit cell for Cr2O3 has hexagonal symmetry with lattice parameters a = 0.4961 nm and c = 1.360 nm. If the density of this material is 5.22 g/cm3, calculate its atomic packing factor.
Negligible heat is transferred from the nozzle to its surroundings. The approach velocity of the steam is negligible. The specific enthalpy of steam is 2974J/kg at 260°C and 7bar and 2860kJ/kg at 200°C and 4bar. Use the open-system energy balance ..
Two equilibrium stages at 25C are used as shown in the following diagram. If 300 kg H2O/h is fed to each extraction unit, what fraction of the acetone in the feed solution would be removed and what would be the composition of the combined extract?
A storage tank for concentrated nitric acid will be constructed from aluminum to resist corrosion. The tank is to have an inside diameter of 6 m and a height of 17 m. The maximum liquid level in the tank will be at 16 m.
Gas Absorption and Transfer Operations: Column Diameter Calculation, A gas absorption column to handle 3630 kg/hr of a gas is being designed. Based on pressure drop, entrainment and foaming considerations
Look up the boiling point of propane. What disadvantages are there to using propane instead of gasoline as a fuel?
A 30.0 liter cylinder of a gas containing 97.0 mole% CO and 3.0% CO2 is delivered to your plant. The gauge on the tank reads 2000 psi. Several days later, the gauge reads 1875 psi, indicating a leak. The storage room in which the cylinder is kept has..
1. find laplace transforms of the following functions where a b and c are constants.a. a bt ct2b. asin2tc.nbsp e-3t2.
Describe the major technical areas involved in engineering a new biomaterial such as a contact lens. Are there differences with other biomaterial based products?
Implications of the future of fabrication for international trade, transportation, and logistics
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