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Acetaldehyde, CH3CHO, can be produced by catalytic dehydrogenation of ethanol, C2H5OH, via the reaction:
C2H5OH -> CH3CHO + H2.
There is, however, a parallel reaction producing ethyl acetate, CH3COOC2H5:
2C2H5OH -> CH3COOC2H5 + 2H2.
Suppose that in a given reactor the conditions are adjusted so that a conversion of 95% ethanol is obtained with an 80% yield of acetaldehyde. Calculate, (i) the composition of the reactor product assuming the feed consists of pure ethanol and (ii) selectivity of acetaldehyde production relative to ethyl acetate production.
In one paragraph, or using bullets, explain the similarities and differences between polarization, luminescence, absorption, scatter, and Raman scattering of light.
A mixture of 25% ammonia gas and 75 % air ( dry basis) is passed upward through a vertical scrubbing tower , to the top of which water is pumped. Scrubbed gas containing 0.5 % ammonia leaves the top of the tower, and an aqueou..
The rate constant of a chemical reaction decreases by decreasing the 1. pressure 2. concentration of reactants
A three-phase, wye-connected, cylindrical-rotor, synchronous motor, with negligible armature resistance and a synchronous reactance of 1.27 Ω per phase, is connected in parallel with a three phase, wye-connected load taking 50 A at 0.707 lagging p..
A fluidized bed is used in the production of aniline by the hydrogenation of nitrobenzene. Single-stage cyclones, followed by candle filters, are used to remove fines from the gases leaving the fluidized bed.
The binding of the hydrophobic amino acid tryptophan to a protein shows a pronounced hydrophobic effect. The thermodynamic data for the binding of is given below calculate ?
Propylene gas at 400.15 K (127°C) and 38 bar is throttled in a steady-state flow process to 1 bar, where it may be assumed to be an ideal gas. Estimate the final temperature of the propylene and its entropy change.
estimate the necessary wall thickness. No corrosion allowance is necessary.
Design a hydro cyclone system to handle 1200 liters/min of this slurry.
A synchronous motor operates continuously on the following duty cycle: 50 hp for 8 min, 100 hp for 8 min, 150 hp for 10 min, 120 hp for 20 min, and no load for 14 min.
Explain why the fugacity coefficients of H2 S in the liquid and in the vapor are equal at 5.76 bar but different at 36.99 bar.
If the mole fraction of nitrogen (xNitrogen ) is 0.134 after the reaction is complete, If the mole fraction of nitrogen (xNitrogen ) is 0.134 after the reaction is complete, what mass of nitrogen was produced?
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