Solutions for Elementary Principles of Chemical Processes
Problem 6.1P:
Ten mL of pure liquid water in a cylinder with a movable piston is heated at a constant pressure of...Problem 6.2P:
A quantity of methyl acetate is placed in an open, transparent, three-liter flask and boiled long...Problem 6.3P:
Ethyl alcohol has a vapor pressure of 20.0 mm Hg at 8.0°C and a normal boiling point of 78.4°C....Problem 6.14P:
Air at 50% relative humidity is cooled isobarically at 1 atm absolute from 90°C to 25°C. (a)...Problem 6.17P:
Air at 90°C and 1.00 atm (absolute) contains 10.0 mole% water. A continuous stream of this air...Problem 6.18P:
When fermentation units are operated with high aeration rates, significant amounts of water can be...Problem 6.19P:
When you step out of a shower, the temperature in the bathroom is 71°F and the relative humidity is...Problem 6.20P:
A fuel cell is an electrochemical device in which hydrogen reacts with oxygen to produce water and...Problem 6.29P:
An air conditioner is designed to bring 10.000 ft3/min of outside air (90°F, 29.8 inches Hg, 88%...Problem 6.33P:
A gas stream containing 40.0 mole% hydrogen, 35.0% carbon monoxide, 20.0% carbon dioxide, and 5.0%...Problem 6.35P:
In the manufacture of an active pharmaceutical ingredient (API), the API goes through a final...Problem 6.37P:
In the ?nal stage of the manufacturing process fora solid organic product, the product is cleaned...Problem 6.39P:
A fuel gas containing methane and ethane is burned with air in a furnace, producing a stack gas at...Problem 6.40P:
A mixture of propane and butane is burned with air. Partial analysis of the slack gas produces the...Problem 6.41P:
An important parameter in the design of gas absorbers is the ratio of the ?ow rate of the feed...Problem 6.42P:
A liquid stream consisting of 12.5 mole% n-butane and the balance a heavy nonvolatile hydrocarbon is...Problem 6.43P:
Nitric acid is a chemical intermediate primarily used in the synthesis of ammonium nitrate, which is...Problem 6.45P:
Sulfur trioxide (SO3) dissolves in and reacts with water to form an aqueous solution of sulfuric...Problem 6.46P:
State whether you would use Raoult’s law or Henrys law to perform vapor—liquid equilibrium...Problem 6.47P:
A gas containing nitrogen, benzene, and toluene is in equilibrium with a liquid mixture of 40 mole%...Problem 6.52P:
The constituent partial pressures of a gas in equilibrium with a liquid solution at 30°C and 1 atm...Problem 6.59P:
Nitrogen is bubbled through a liquid mixture that initially contains equimolar amounts of benzene...Problem 6.63P:
The feed to a distillation column (sketched below) is a 45.0 mole% n-pentane55.0 mole% n hexane...Problem 6.71P:
A methanol-water feed stream is introduced to a vaporizer in which a molar fraction f of the feed is...Problem 6.73P:
In this problem you will use a spreadsheet to create a Txydiagram for the benzene-chloroform system...Problem 6.77P:
Acetaldehyde is synthesized by the catalytic dehydrogenation of ethanol: C2H5OHCH3CHO+H2 Fresh feed...Problem 6.78P:
Dehydration of natural gas is necessary to prevent the formation of gas hydrates, which can plug...Problem 6.79P:
A two-unit process is used to separate H2S from a gas containing 96% H2 and 4% H2S by volume. The...Problem 6.84P:
A solution containing 100 lbm KNO3/100 Ibm H2O at 80°C is fed to a cooling crystallizer operated at...Problem 6.85P:
A 10.0 wt% aqueous solution of sodium chloride is fed to an evaporative crystallizer operated under...Problem 6.86P:
Potassium dichromate (K2Cr2O7) is to be recovered from a 21 wt% aqueous solution in a continuous...Problem 6.89P:
Sodium bicarbonate is synthesized by reacting sodium carbonate with carbon dioxide and water at 70°C...Problem 6.90P:
An ore containing 90 wt% MgSO4(H2O and the balance insoluble minerals is fed to a dissolution tank...Problem 6.91P:
An aqueous waste stream leaving a process contains 10.0 wt% sulfuric acid and l kg nitric acid per...Problem 6.92P:
A solution of diphenyl (MW = 154.2) in benzene is formed by mixing 56.0 g diphenyl with 550.0 mL of...Problem 6.93P:
An aqueous solution of urea (MW = 60.06) freezes at 4.6°C and 1 atm. Estimate the normal boiling...Problem 6.95P:
Derive Equation 6.54 for the boiling-point elevation of a dilute solution of a nonvolatile solute...Problem 6.97P:
A stream of 5.00 wt% oleic acid in cottonseed oil enters an extraction unit at a rate of 100.0 kg/h....Problem 6.98P:
Benzene and hexane are being considered as solvents to extract acetic acid from aqueous mixtures. At...Problem 6.99P:
Acetone is lo be extracted with n-hexane from a 40.0 wt% acetone—0.0 wt% water mixture at 25°C. The...Problem 6.102P:
Five kilograms of a 30 wt% acetone70% water mixture is added to 3.5 kg of a 20 wt% acetone—80% MIBK...Problem 6.103P:
An aqueous acetone solution is fed at a rate of 32.0 lbm/h to a stirred tank. A stream of pure...Browse All Chapters of This Textbook
Chapter 2 - Introduction To Engineering CalculationsChapter 3 - Processes And Process VarialesChapter 4 - Fundamentals Of Material BalancesChapter 5 - Single-phase SystemsChapter 6 - Multiphase SystemsChapter 7 - Energy And Energy BalancesChapter 8 - Balances On Nonreactive ProcessesChapter 9 - Balances On Reactive ProcessesChapter 10 - Balances On Transient Processes
Book Details
This best selling text prepares students to formulate and solve material and energy balances in chemical process systems and lays the foundation for subsequent courses in chemical engineering. The text provides a realistic, informative, and positive introduction to the practice of chemical engineering.
Sample Solutions for this Textbook
We offer sample solutions for Elementary Principles of Chemical Processes homework problems. See examples below:
In one week there are seven days and in one day there are twenty-four hours. In one hour there are...Chapter 3, Problem 3.1PGiven: The volume of tank is 2.0m3 and the tank is initially half filled. Water enters at a rate of...Chapter 5, Problem 5.1PChapter 6, Problem 6.1PChapter 7, Problem 7.1PChapter 8, Problem 8.1PChapter 9, Problem 9.1PChapter 10, Problem 10.1P
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