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Chemical-Engineering Questions
Gasoline is used globally in internal combustion engines.Given composition by weight (octane 22,heptane 35,benzene 28,ethanol 10,MTBE...
Discuss how 6M (NH4)2SO4 affect the protein stability.
Perry’s Handbook (7thed.) lists the heat of solution for aluminum chloride (AlCl3) in water as -77.9...
Will metal dissolve during cathodic polarisation?
The binary system, acetone(1)-acetonitrile(2) conforms closely to Raoult’s Law. a) Using the vapor-pressure data, prepare a...
Using a spherical separation funnel to measure the viscosity of red wine.The radius of the bulb...
Nitrogen gas at 60 kPa and 78C enters an adiabatic diffuser steadily with a velocity of...
A straight rod of solid polymer is of length 1 m and diameter 10 mm. The...
In each of the following configurations, identify the anode and rank in terms of approximate corrosion...
1. (a) For the diffusion of solute A through a layer of gas to an absorbing...
Please show all work. Thanks! Consider a solution with xA = 0.220 at 30?C in equilibrium...
6. (1) A water treatment plant applies chlorine for disinfection so that 10 mg/L chlorine is...
Question 1 You are assigned to carry out a preliminary design for a water treatment process....
A) It is suggested that an irreversible catalytic cracking reaction, such as A--> B+C+D can be represented...
Modern processes for the production of nitric acid are based upon the oxidation of ammonia synthesized...
1. Ammonia is being absorbed from nitrogen gas using water at 1 atm and 80° F....
Calculate the rate of cooling (kW) required to bring 300 kg/min of carbon monoxide from 450C...
In the experiment, you performed the reaction below. (You added 5 ml of 0.40 M NaOH...
Use data in Table B.2 to calculate the following: a. The heat capacity (Cp) of liquid...
A stream of water vapor flowing at a rate of 250 mol/h is brought from 600C...
Experiment 1: Observe the Reactions Between Halide and Calcium Ions Take four test tubes from the...
design a vapor compression refrigeration system that will maintain the refrigerated space at -15c while operating...
A process off-gas flow contains 1,4 mol-% acetone, when the gas flow rate is 2,20 kmol/min....
A power plant emits a pollutant X to the atmosphere at a constant rate E (kg...
8.27 A fuel gas containing 95.0 mole% methane and the balance ethane is burned completely with...
A strain of bacteria in wastewater treatment plant utilize acetate as the carbon source and electron...
Steam is contained in a closed rigid container with a volume of 2 m3 . Initially,...
A concentric tube arrangement, for which the inner and outerdiameters are 80mm and 100mm, respectively, is...
Saturated steam at 60 ºC is condensed over an array of 100 horizontal tubes, each with...
Antimony (Sb, 121.8 g/mol) is a metal that is used in applications such as fire retardant...
If the ethanol water system is considered an ideal system, an equilibrium curve can be plotted...
(c) Example 5-3. How would your reactor volume and number of reactors change if you only...
consider 1kg of water at 1atm. You seal it with a cover such the confined volume...
A binary liquid mixture of benzene and toluene is in equilibrium with its vapour at a...
Consider the electrode reaction O + ne- = R. Under the conditions that CR* = CO*...
Propane gas is burned using air; both are at 25°C and 1 atm. 150% excess air...
The 7-mm-thick base plate of an iron is made of an aluminum alloy (? = 2,700...
QUESTION 4 When there is heat transfer from the lateral side of an infinitely long cylinder...
Suggest ways to reduce the required packed tower height while maintaining a specified separation.
1. For flow in a circular tube, please evaluate the ratio of <Vz^2>/<Vz>^2 for (1) laminar...
Ninety-five percent of the acetone vapor in an 85 vol.% air stream is to be absorbed...
1. You purchase 9.3 gallons of gasoline. Assume that the properties of gasoline are Molecular weight...
Calculate the concentration of S2- in an aqueous solution of 0.0196 M hydrosulfuric acid, H2S (aq)....
The equation of state of a gas is given as bar v(P+10/bar v^2) = RsubuT, where...
n-butane is to be liquefied to make liquid petroleum gas (LPG). The butane is available at...
1.What is the volumetric flow rate of a solution with density 1.5 kg/m3 flowing at a...
Estimate the fugacity of liquid water at normal boiling point and 80 bar. Data: Tc =...
A lead-tin alloy of composition 40 wt% Sn is cooled down from temperature 300oC to 100oC...
A gas stream contains 4.0 mol % NH3 and its ammonia content is reduced to 0.5...
A 440-MW coal-fired power plant is burning coal that contains 185 ppb of Mercury. The coal...
In your own words give an explanation of the basis used to decide on whether a...
Consider a mixture of 30% n-butane, 35% n-hexane, 35% n-heptane. a. If the temperature is 40...
Helium gas enters an adiabatic nozzle at 35 psia and 820 degrees R with an initial...
estimate the molar volume, enthalpy and entropy for 1,3-butadiene as a saturated vapor and as a...
It has a mixture of acetone vapor and nitrogen. This mixture contains 4.31% vol of acetone...
Gaseous ammonia (NH3) at 10°C is fed at a rate of 9 kg/min to a blending...
10 ml of waste water is diluted to 1 liter, aerated and sealed. The initial dissolved...
An aqueous slurry at 30°C containing 20.0 wt% solids is fed to an evaporator in which...
A treatment plant has one grit chamber that receives a peak flow rate of 0.300 m3/s....
Chemical Vapor Deposition (CVD) of a Silicon Thin Film onto a Wafer: Solid, nonporous silicon thin...
The fugacity coefficient of a certain gas at 290K and 3.1MPA is .70. Calculate the difference...
For a given fuel oil with composition C11H20N, calculate the stoichiometric amount of air required for...
Lactose is broken down into monosacharides in the stomach through the following reaction: Lactose + H2O...
Why is the mass transfer analysis for concentrated absorbers considerably more complex than the analysis for...
From the data below, calculate the total heat (in J) needed to convert 0.153 mol of...
Sort the following changes to the DNA sequence for a gene in order from most likely...
You are Plant Manager at the Hokomokee Nuclear Power Station in Moustafa County, which has two...
A gas stream containing n-hexane in nitrogen with a relative saturation of 85%is fed to a...
If liquid resin is left out in a lab room for several hours, it will become...
If fructose costs $1/kg, and we can convert 50% of it to HMF at a cost...
What are tear streams? how do they work and why would you use them?
What is the change in free energy at 298K when 13.2ml of 0.811M calcium chloride is...
Reasons of low effluent Total nitrogen and Total inprganic nitrogen in watewater treatment
6.3. A simple, batch fermentation of an aerobic bacterium growing on methanol gave the results shown...
A researcher measures the equilibrium separation between two flat hydrophilic mica plates in a solution of...
A membrane is being engineered for filtering proteins. Its pores have charged surfaces, so some of...
Methane enters a heat e xchanger at a volumetric flow rate of 145.0 m 3 /min,...
Nitrogen gas at 50 kPa and 7°C enters an adiabatic diffuser steadily with a velocity of...
A heat exchanger uses saturated steam at 375 K to heat cold water entering at 280...
A fuel gas containing 40.00 mole% methane and the balance ethane is burned completely with pure...
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