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A mixture of benzene and toluene containing 40 mole % of benzene is to be separated to give a product of 90 mole % of benzene at the top and bottom product with not more than 10 mole % of benzene. Using an average value of 2.4 for the volatility of benzene relative to toluene, calculate the number of theoretical plates required at total reflux. Also calculate the minimum reflux ratio, if the feed is liquid and at its boiling point.
One gram-mole of methyl chloride vapor is contained in a vessel at 100°C and 10atm. (a) Use the ideal gas equation of state to estimate the system volume.
The curie (Ci) is a commonly used unit for measuring nuclear radioactivity: 1 curie of radiation is equal to decay events per second (the number of decay events from 1 g of radium in 1 s).
Materials Properties, Consider the following three engineering materials: (i) low-carbon steel; (ii) alumina; (iii) glass-fiber reinforced polymer.
Determine the standard heats of Reactions. Discuss the purpose of feeding oxygen to the reactor. Assuming no heat is lost to the surroundings, estimate the temperature of the gas and slag leaving the gasifier.
The diagrams above show four Bode plots of uncompensated and compensated performance for a particular control system. Which diagram shows the effects of adding phase-lag compensation?
Calculate the theoretical stages needed to separate a 10 mole% ethanol liquid saturated feed into a 80 mole% distillate and a 0.1 mole% bottoms at 1 atmosphere pressure.
Select suitable valve types for the following applications: a. Isolating a heat exchanger. b. Manual control of the water flow into a tank used for making up batches of sodium hydroxide solution.
Calculate the radius of an iridium atom. Calculate the radius of an iridium atom, given that Ir has an FCC crystal structure,
A mixture of acetone and isopropanol containing 50 mol% acetone is to be distilled continuously to produce an overhead product containing 80 mol% acetone and a bottoms containing 25 mol% acetone. If a saturated-liquid feed is employed, if the colu..
It is proposed to use an existing distillation column, which is fitted with a dephlegmator (reflux condenser) that has 200 vertical, 50 mm i.d. tubes, for separating benzene from a mixture of chlorobenzenes.
Calculate the wavelength, in meters of a photon capable of exciting an electron in He+ from the ground state to n = 4
Forty-five kilograms of a solution containing 30 wt% ethylene glycol in water is to be extracted with furfural. Using Figures 4.14a and 4.14c, calculate:
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