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Ethylene is produced by the dehydrogenation of ethane. If the feed includes 0.5 mol of steam (an inert diluent) per mole of ethane and if the reaction reaches equilibrium at 1100 K and 1 bar, what is the composition of the product gas on a water-free basis?
What results can be expected in the near-term? The mid-term? The long-term? Nanotech's development can usefully be divided into stages, for example:
A 10-kVA transformer is known to have an iron loss of 150 W and a full-load copper loss of 250 W. If the transformer has the following load cycle, compute its all-day efficiency:
The recovery of each main component in each product is to be 98%. For example, 98% of the propane in the feed stream is to appear in the propane-rich product, and 98% of the combined pentanes in the feed stream is to appear in the bottoms product ..
A three-phase load, connected to a 440-V bus, draws 120 kW at a power factor of 0.85 lagging. In parallel with this load is a three-phase capacitor bank that is rated 50 k VAR. Determine the resultant line current and power factor.
In a car alternator there are no magnets but there is always a battery available. How do you suppose the alternator works? Note. An alternator is an ac generator.
We have a mixture consistingof 90 mole% 'A' (45 mol/lit) and 10 mole%impurity 'B'(5 mol/lit). To be satisfactory quality the ratio of 'A' to 'B' in the mixture must be 100 to 1or higher.
A preliminary (Class 4) estimate of the ISBL capital cost of building a 200,000 ton per year ethanol plant by corn dry milling has been stated as $130 MM -30%/+50%.
The product is neutralized and washed with water to remove salts. The washed product is usually separated by batch distillation, in which unreacted feeds are recovered first, followed by product, and a polymeric waste is left as residue. The batch..
The equilibrium K factors can be estimated using the De Priester charts in Dadyburjor (1978) or found using a process simulation program.
Use the following additional information to find the mass transfer flux in the column: mole fraction of ammonia in liquid* 1.351 × 10-3 mole fraction of ammonia in gas* 0.065 total pressure of system 1.013 bar mole mass of ammonia 17 *Note: these ..
Is our "technological distraction" contributing to the fact that other more pressing interests like the cure for cancer have not been achieved?
Risk Analysis and Management: Earthquake - An example of Fragility and Load, The fully formated problem is with the solution.
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