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A trayed column is used to recover acrylic acid and acetic acid from a dilute gas stream by absorption in water. At the same vapor concentration, acrylic acid is about two times as soluble as acetic acid in water. If a column is to be designed for 99.9% recovery of acrylic acid from a vapor stream initially containing 0.5mol% acrylic acid and 0.5mol% acetic acid, how many equilibrium stages are needed? What will be the outlet mole fraction of acetic acid from the absorber/. The absorption factor for acrylic acid is A=L/KV=1.5
A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution
Describe what changes could be made to an operating to break the conditions of non-preemption and hold and wait for deadlock prevention. What are the drawbacks of your changes?
Is 2-methyl-2-propanamine (C4H11N) a primary amine, secondary amine, tertiary amine, or quaternary ammonium salt? 2) Is N-methyl-2-propanamine a primary amine
Chef loves circular cakes. He divides them into smaller pieces and sells them. You are to help him in this work. Today Chef has cooked the brand new circular cake
Using the data classification scheme presented in this chapter, identify and classify the information contained in your personal computer or personal digital assistant. Based on the potential for misuse or embarrassment, what information would be ..
What advantages are gained by programming in MPI as opposed to using threads? Is there a disadvantage to MPI? What?
Your company has jobs that are highly interelated and strategic in focus. You want to provide a pay for performance incentive with relatively long measures of performance. The best option would be to design a:
A company issues $20,000,000, 7.8%, 20-year bonds to yield 8% on January 1, 2010. Interest is paid on June 30 and December 31. The proceeds from the bonds are $19,604,145. Using effective-interest amortization, what will the carrying value of the ..
Build a binary search tree using the following set of numbers, preserving the orderin which they are given: 34,26,47,22,28,10,24,38,51,49,37,4,45,60,57,14.
Determine the appropriate balance between unfettered free speech and the duties of public employees. Provide specific examples to support your response.
identify organic compounds in medications. determine the structure of one active component and identify three functional groups on each molecule.
How many protons, and how many neutrons are present in the nucleus of each isotope? What is the natural abundance of each isotope, if the average atomic mass of gallium is 69.72 u?
Osmium has a density of 22.6 g/cm3. What volume (in cm3) would be occupied by a 21.8 g sample of osmium?
A 3.5g sample of water reacts with PCl3 according to the following equation: 3H2O+PCl=H3PO3+3HCl How many g of H3PO3 are produced.
Indicate the reaction conditions you would employ to accomplish the following: Conversion of tert-butyl chloride to 2-methylpropene to maximize the yield of the elimination product over the substitution product.
suppose you wish to make a .879 L of .250 M silver nitrate by diluting a stool solution of .675 M silver nitrate. How many milliliters of silver nitrate do you need to use.
How many calories are needed to raise the temperature of 525g of beryllium from 21.0 celsius to 375 celsius?
Consider a lake containing 39 ppb (parts per billion) of parathion, which has a log Kow = 3.8. If a sample of lake water was mixed with octanol, what is the expected concentration of parathion in the octanol?
A sample of pure NO2 is heated to 334 degree C at which temperature it partially dissociates according to the equation 2NO2(g)-->2NO(g)+O2(g)
A particular first-order reaction has a rate constant of 1.35 × 102 s-1 at 25°C. What is the magnitude of k at 75°C if Ea=85.6 kJ/mol
Calculate the number of molecules inside the cell, which is 3.6um long and 1.2 um in diameter.
LiI has a lattice E of -7.3x10^2 kJ/mol and a heat of hydration of -793kJ/mol. Heat of solution is -60kJ/mol. Determine how much heat is evolved
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