INTRO.TO CHEM.ENGR.THERMO.-EBOOK>I<
8th Edition
ISBN: 9781260940961
Author: SMITH
Publisher: INTER MCG
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Chapter 14, Problem 14.28P
Consider the reactions
If these reactions come to equilibrium after combustion in an internal-combustion engine at 2000 K and 200 bar, estimate the mole fractions of NO and NO2 present for mole fractions of nitrogen and oxygen in the combustion products of 0.70 and 0.05.
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The power generation unit in a plant uses a hot exhaust gas from another process to produce work. The gas enters at 10 bar and 350°C and exits at 1 bar and 40°C. The process produces a net amount of work equal to 4500 J/mol and it exchanges an unknown amount of heat with the surroundings. 1.1 Determine the amount of heat exchanged with the surroundings. Is this heat absorbed or rejected by the system? 1.2 Calculate the entropy change of the exhaust gas. 1.3 As a young and ambitious chemical engineer, you seek ways to improve the process. What is the maximum amount of work that you could extract from this system? Assume that the inlet and outlet conditions of the exhaust gas remain the same.
Additional data: Assume the surroundings to be at the constant temperature of 298 K and the exhaust gas to be ideal with CP = 29.3 J/mol.K
Latihan mandiri
Reaktor fluidisasi menggunakan katalis padat dengan diameter
partikel 0,25 mm, rapat massa 1,50 g/ml, sperisitas 0,90. Pada
kondisi unggun diam, porositas 0,35, tinggi unggun 2 m. Gas
masuk dari bagian bawah reaktor pada suhu 600°C pada
viskositas 0,025 CP serta rapat massa 0,22 lb/cuft. Pada fluidisasi
minimum, porositas tercapai pada 0,45. Hitung
Hitung
a. Laju alir semu minimum (VM) gas masuk kolom fluidisasi !
b. Tinggi unggun jika Vo = 2 VM
c. Pressure drop pada kondisi Vo = 2,5 VM
<
1 m
= 3,28084 ft
1 g/ml
= 62,43 lbm/ft³
1 cp
gc
= 6,7197 × 10-4 lbm/ft.s
= 32,174 ft/s²
=
determine the binary diffusion coefficient of CO2 in air at
a) 200 K and 1 atm
b)400K and 0.5atm
c)600 K and 5 atm
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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