Solutions for Elementary Principles of Chemical Processes
Problem 4.2P:
Rain is falling on a poorly designed 150-m" flat roof of a contemporary home. The design flaw...Problem 4.3P:
A liquid-phase chemical reaction A -* B takes place in a well-stirred tank. The concentration of A...Problem 4.4P:
A stream consisting of 44.6 mole% benzene and 55.4% toluene is fed at a constant rate to a process...Problem 4.6P:
A liquid mixture of acetone and water contains 35 mole% acetone. The mixture is to be partially...Problem 4.9P:
Inside a distillation column (see Problem 4.8), a downward-flowing liquid and an upward-flowing...Problem 4.11P:
In the production of soybean oil, dried and flaked soybeans are brought into contact with a solvent...Problem 4.13P:
A process is carried out in which a mixture containing 25.0 wt% methanol, 42.5% ethanol, and the...Problem 4.14P:
Strawberries contain about 15wt% solids and 85wt% water. To make strawberry jam, crushed...Problem 4.15P:
Two streams flow into a 500-gallon tank. The first stream is 10.0 wt% ethanol and 90.0% hexane (the...Problem 4.16P:
A fuel distributor supplies four liquid fuels, each of which has a different ratio of ethanol to...Problem 4.18P:
One thousand kilograms per hour of a mixture containing equal parts by mass of methanol and water is...Problem 4.19P:
L-Serine is an amino acid that often is provided when intravenous feeding solutions are used to...Problem 4.20P:
A 100 kmol/h stream that is 97 mole% carbon tetrachloride (CCI4) and 3% carbon disulfide (CS2) is to...Problem 4.21P:
A pharmaceutical product, P, is made in a batch reactor. The reactor effluent goes through a...Problem 4.22P:
A liquid mixture containing ethanol (55.0 wt%) and the balance water enters a separation process...Problem 4.23P:
A stream of humid air containing 1.50 mole% H2O(v) and the balance dry air is to be humidified to a...Problem 4.24P:
A liquid mixture contains 60.0 wt% ethanol (E), 5.0 wt% of a dissolved solute (S), and the balance...Problem 4.25P:
Certain vegetables and fruits contain plant pigments called carotenoids that are metabolized in the...Problem 4.26P:
Two aqueous sulfuric acid solutions containing 20.0 wt% H2SO4 (SG = 1.139) and 60.0 wt% H2SO4 (SG =...Problem 4.27P:
A paint mixture containing 25.0% of a pigment and the balance binders (which help the pigment stick...Problem 4.28P:
In the commercial production of sugar (sucrose), the product crystals are washed and centrifuged to...Problem 4.30P:
A garment to protect the wearer from toxic agents may be made of a fabric that contains an...Problem 4.31P:
A dilute aqueous solution of H2SO4 (Solution A) is to be mixed with a solution containing 90.0 wt%...Problem 4.32P:
Gas streams containing hydrogen and nitrogen in different proportions arc produced on request by...Problem 4.33P:
An artificial kidney is a device that removes water and waste metabolites from blood. In one such...Problem 4.34P:
The indicator-dilution method is a technique used to determine flow rates of fluids in channels for...Problem 4.36P:
Gas absorption or gas scrubbing is a commonly used method for removing environmentally undesirable...Problem 4.37P:
The SO2 scrubbing tower described in Problem 4.36 is to be used to reduce the SO2 mole traction in...Problem 4.39P:
The hormone estrogen is produced in the ovaries of females and elsewhere in the body in men and...Problem 4.40P:
A liquid mixture containing 30.0mole% benzene (B), 25.0% toluene (T), and the balance xylene (X) is...Problem 4.41P:
Seawater containing 3.50 wt% salt passes through a series of 10 evaporators. Roughly equal...Problem 4.42P:
Inside the column a liquid stream flows downward and a vapor stream rises. At each point in the...Problem 4.44P:
Effluents from metal-finishing plants have the potential of discharging undesirable quantities of...Problem 4.47P:
In an absorption tower (or absorber), a gas is contacted with a liquid under conditions such that...Problem 4.48P:
In the production of a bean oil, beans containing 13.0 wt% oil and 87.0% sobds are ground and fed to...Problem 4.49P:
Boilers are used in most chemical plants to generate steam for various purposes, such as to preheat...Problem 4.50P:
Following is a diagram of the shirt-cleaning process used by the Roods of Suds One-Day Laundry...Problem 4.51P:
A drug (D) is produced in a three-stage extraction from the leaves of a tropical plant. About 1000...Problem 4.53P:
Ammonia is oxidized to nitric oxide in the following reaction: 4NH3 + 5O2 - 4NO + 6H2O Calculate the...Problem 4.55P:
A stream containing H2S and inert gases and a second stream of pure SO2 are fed to a sulfur...Problem 4.56P:
436. The reaction between ethylene and hydrogen bromide to form ethyl bromide is carried out in a...Problem 4.59P:
Titanium dioxide (TiCb) is used extensively as a white pigment. It is produced front an ore that...Problem 4.62P:
Oxygen consumed by a living organism in aerobic reactions is used in adding mass to the organism...Problem 4.63P:
A genetically engineered strain of Escherichia coli (E. coli) is used to synthesize human insulin...Problem 4.64P:
The gas-phase reaction between methanol and acetic acid to form methyl acetate and water CH3OH +...Problem 4.67P:
Methane and oxygen react in the presence of a catalyst to form formaldehyde. In a parallel reaction,...Problem 4.68P:
Ethane is chlorinated in a continuous reactor: C2H6 + Cl2 - C2H5C1 + HC1 Some of the product...Problem 4.69P:
Ethanol can be produced commercially by the hydration of ethylene: C2H4 + H2O -* C2H5OH Some of the...Problem 4.71P:
Solid calcium fluoride (CaF2) reacts with sulfuric acid to form solid calcium sulfate and gaseous...Problem 4.73P:
Chlorobenzene (C^HsCl), an important solvent and intermediate in the production of many other...Problem 4.75P:
A catalytic reactor is used to produce formaldehyde from methanol in the reaction CH3OH - HCHO + H2...Problem 4.76P:
4.7'6. Methanol is produced by reacting carbon monoxide and hydrogen. A fresh feed stream containing...Problem 4.77P:
Methane reacts with chlorine to produce methyl chloride and hydrogen chloride. Once formed, the...Problem 4.78P:
Ethylene oxide is produced by the catalytic oxidation of ethylene: 2C2H4 + O2 —? 2C2H4O An undesired...Problem 4.80P:
Methanol is synthesized from carbon monoxide and hydrogen in a catalytic reactor. The fresh feed to...Problem 4.81P:
The fresh feed to an ammonia production process contains nitrogen and hydrogen in stoichiometric...Problem 4.84P:
A gas contains 75.0 wt% methane. 10.0% ethane. 5.0% ethylene, and the balance water. Calculate the...Problem 4.85P:
Five liters of liquid n-hexane and 4 liters of liquid n-heptane are mixed and burned with 4000 gram...Problem 4.86P:
Gasoline, which we will represent as having the properties of isooctane, is consumed by an idling...Problem 4.88P:
Natural gas containing a mixture of methane, ethane, propane, and butane is burned in a furnace with...Problem 4.90P:
Propane is burned completely with excess oxygen. The product gas contains 24.5 mole% CO2, 6.10% CO....Problem 4.93P:
Liquid methanol is fed to a space heater at a rate of 12.0 L/h and burned with excess air. The...Problem 4.96P:
A fuel oil is analyzed and found to contain 85.0 wt% carbon, 12.0% elemental hydrogen (H), 1.7%...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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