INTRO.TO CHEM.ENGR.THERMO.-EBOOK>I<
8th Edition
ISBN: 9781260940961
Author: SMITH
Publisher: INTER MCG
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Chapter 14, Problem 14.14P
The following reaction, hydrogenation of styrene to ethylbenzene, reaches equilibrium at 650°C and atmospheric pressure:
If the system initially contains 1.5 mol H2 for each mole of styrene (
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A solution containing 7.5% sulfuric acid by weight at 70 °F is concentrated to 45% by weight by evaporating water. The concentrated solution and the water vapor exit the evaporator at 170 °F and 1 atm. Calculate the rate at which heat must be transferred to the evaporator to process 1500 lbm/hr of the feed solution to the evaporator. It is recommended to use the enthalpy-concentration diagram for sulfuric acid from Chapter 8 of Felder's book or an enthalpy-concentration diagram for sulfuric acid found in another unit operations book or chemical engineering manual such as Perry's.
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Suppose that the system designed in problem 33 of the Thermodynamics II problem set from UAM-Azcapotzalco is relocated to another area near the sea, specifically, Ciudad del Carmen, Campeche. Recalculate the compressor-cooler system for the new environmental conditions. Make the considerations you deem logical in redesigning your system. Indicate the references or sources where you obtained your data.
A process for the microbial synthesis of 1,3-propanediol ( 3 8 2 C H O ) uses an anaerobicfermenter with a selected strain of K. pneumoniae to convert glycerol ( 3 8 3 C H O ) to 1,3-propanediol and acetic acid ( 2 4 2 C H O ). All other byproducts are of negligible concentration.The fermentation and cell growth equation can be written:3 8 3 3 4 7 2 3 8 2 2 4 2 2 2 68 3 3 49 15 15 40 C H O NH C H O N C H O C H O CO H O + → + + + +The continuous fermentation process is set up at 37°C and atmospheric pressure.Anaerobic conditions are maintained by sparging the fermentation broth with N2 at aflowrate of 500 litres per minute. The medium, containing ammonia, is fed at 500 kg perhour, and has a composition of 14% (w/w) glycerol. Suppression of the side reactions isachieved by excess glycerol, so the liquid product contains 3% (w/w) unreacted glycerol.2a. Draw a process diagram. List all your assumptions necessary to write a materialbalance.(5 marks)2b. List your unknowns.(3 marks)2c. Write…
Chapter 14 Solutions
INTRO.TO CHEM.ENGR.THERMO.-EBOOK>I<
Ch. 14 - Prob. 14.1PCh. 14 - A system initially containing 2 mol C2H4 and 3 mol...Ch. 14 - A system formed initially of 2 mol CO2 , 5 mol H2...Ch. 14 - Consider the water-gas-shift reaction:...Ch. 14 - Rework Prob. 14.4 for a temperature of: (a) HOOK:...Ch. 14 - Use the method of equilibrium constants to verify...Ch. 14 - Prob. 14.7PCh. 14 - For ideal gases, exact mathematical expressions...Ch. 14 - For the ammonia synthesis reaction written:...Ch. 14 - Peter. Paul, and Mary, members of a thermodynamics...
Ch. 14 - The following reaction reaches equilibrium at...Ch. 14 - The following reaction reaches equilibrium at...Ch. 14 - The following reaction reaches equilibrium at...Ch. 14 - The following reaction, hydrogenation of styrene...Ch. 14 - The gas stream from a sulfur burner is composed of...Ch. 14 - Prob. 14.16PCh. 14 - Ethylene is produced by the dehydrogenation of...Ch. 14 - The production of 1,3-butadiene can be carried out...Ch. 14 - The production of 1,3-butadiene can be carried out...Ch. 14 - For the ammonia synthesis reaction, 12N2g+32H2NH3g...Ch. 14 - Prob. 14.21PCh. 14 - Prob. 14.22PCh. 14 - Ammonium chloride NH4Cls decomposes upon heating...Ch. 14 - A chemically reactive system contains the...Ch. 14 - The relative compositions of the pollutants NO and...Ch. 14 - Carbon black is produced by the decomposition of...Ch. 14 - Consider the reactions 12N2g+12O2gNOg12N2g+O2gNO2g...Ch. 14 - Oil refineries often have both H2S and SO2 to...Ch. 14 - Species N2O4 and NO2 as gases come to equilibrium...Ch. 14 - The following isomerization reaction occurs in the...Ch. 14 - Prob. 14.32PCh. 14 - The feed gas to a methanol synthesis reactor is...Ch. 14 - Prob. 14.34PCh. 14 - Consider the gas-phase isomerization reaction: ....Ch. 14 - A low-pressure, gas-phase isomerization reaction,...Ch. 14 - Set up the equations required for solution of Ex....Ch. 14 - Reaction-equilibrium calculations may be useful...Ch. 14 - Ethylene oxide as a vapor and water as liquid,...Ch. 14 - In chemical-reaction engineering, special measures...Ch. 14 - The following problems involving chemical-reaction...Ch. 14 - The following is an industrial-safety rule of...Ch. 14 - Prob. 14.43PCh. 14 - The standard heat of reaction A/f3 for gas-phase...Ch. 14 - Ethanol is produced from ethylene via the...Ch. 14 - A good source for formation data for compounds is...Ch. 14 - Reagent-grade, liquid-phase chemicals often...Ch. 14 - Cracking propane is a route to light olefin...Ch. 14 - Equilibrium at 425 K and 15 bar is established for...
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