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Chemical-Engineering Questions
Ethylene glycol (C2H4(OH)2) , when dissolved in water, provides the standard ‘anti-freeze’ coolant for water-cooled engines....
Write balanced chemical equation for the synthesis of lead zirconate titanate.
When 27.7 mL of 0.500 M H2SO4 is added to 27.7 mL of 1.00 M KOH...
A formation contains 480,000.00 cubic feet of natural gas with apparent molecular weight of 24 lb/...
Determine the carburizing time (in s) necessary to achieve a carbon concentration of 0.44 wt% at...
Calculate the rate of cooling (kW) required to bring 300kg/min of carbon monoxide from 450°C to...
There are the techniques of “Top down” and “Bottom up” to fabricate nanomaterials. Explain advantages and...
It is desired to design a distillation column to separate Methanol and Ethanol. One must obtain...
In chemical engineering thermodynamics, I don't know when i use SRK/RK/Lee Kesler or z=z0+w*z1 equation. If...
Bioinformatics #3 1. According to the PDB page for 1GBT and the PubChem database, the substrate...
Write the balanced equation for the reaction of nitrogen monoxide with oxygen to produce nitrogen dioxide:...
for many fluids a compressed liquid has properties that do not vary significantly from the properites...
Friction loss in turbulent flow Type I problem: Use Figure 6.10 to determine the head loss...
Air is injected into a 50 m long horizontal pipeline (of 42 mm diameter) carrying a...
For recording electron diffraction pattern from a crystalline sample, why does the primary electron beam have...
Answer the following questions: (a) The equilibrium constant for the following reaction is 2.90×10-2 at 1150K....
It is often difficult to tell whether a reaction is exothermic (gives off heat) or endothermic...
A room has a relative humidity of 43% at 75 F = 23.9 C, and a...
You want to obtain an answer immediately as to the specific volume of ethane at 700...
An activated sludge process is being used to treat wastewater from a small town of 50,000...
Air at 85 °F flows isothermally through a 6 in diameter smooth pipe at a flow...
An incinerator is used for the destruction of hazardous wastes. The incinerator is supplied with 50%...
The air temperature on a clear night is observed to remain at about 4oC. Yet water...
Explain to a colleague the basis for the ASTM Grain size number?
A humid air stream enters a process at 35 C, 20 atm, and 50% relative humidity....
Explain using Lechatelier’s Principle: The solution became cloudy and solid formed at base after adding 0.5...
Why is the activation energy for interstitial diffusion almost always smaller than the activation energy for...
What pressure is generated when 1 kmol of methane is stored in a volume of 0.125...
Methane was boiling in a vacuum distillation plant with a boil-up rate of 0.33 kg/s. The...
Draw the molecule that corresponds to (3R, 5R, 6R)-5-cyclopropyl-6-ethyl-3-iodo-1-methylcyclohex-1-ene.
Fuel oil is classified by : a) Viscosity and temperature of combustion b) Source of origin...
The equilibrium constant Kp for the reaction C(s)+H2O(g)?CO(g)+H2(g) is 2.44 at 1000 K. What are the...
BIOCHEM!!!! PLEASE RESOND.....Consider the following reaction below where glucose is the substrate. The velocity of G6P...
1. (a) What are the decomposition products when the copper oxalate hydrate is heated in the...
Part A For the reaction 2CH4(g)?C2H2(g)+3H2(g) K = 0.150 at 1704 ?C . What is Kp...
The first-order reaction A--->B is carried out in a tubular reactor in which the volumetric flow...
For most solvents the boiling point constant, Kbp, is less than the freezing point constant, Kfp....
Given the following : weight of dry sample in air = 64 g, weight of dry...
A liquid mixture containing 28 mol% ethanol and 72 mol% 1-propanol is placed in an open...
Solve the following problem in the text book using Excel or Matlab. Calculate the work of...
1. Gilsonite is a brand name, what is the chemical name for Gilsonite 2. What is...
Copper crystallizes with a face-centered cubic lattice and has a density of 8.93 g/cm3. a.) Calculate...
A rigid tank contains steam at 120 bar, 350C. The tank is cooled until its contents...
Saturated steam at 1 atm and 100°C is continuously generated from liquid water at 1 atm...
A circular, horizontal tube iwth r = 1 inch and L= 10 ft contains asphalt (?...
The Ksp for silver carbonate (Ag2CO3) is 8.1???10?12. Calculate the solubility of silver carbonate in each...
What mass of Ag2CO3(s) in grams is theoretically produced by mixing 125 mL of 0.315 M...
Food Science Question Q) You have developed a beef jerky (dried meat product) that has a...
Is 2H++H2O2+2I- ---> 2H2O+I2 unimolecular, bimolecular or termolecular? Explain.
Which of the following is oftern performed by a physician? options: Health officer Health services manager...
You are to select the material for the design of a smart phone case (back case...
A bulk gas stream containing 0.9 mol% of CO gas, 0.1 mol% of O2 gas, and...
Steam enters an adiabatic turbine at 7 MPa, 700 °C and 80 m/s and leaves at...
what is saturation and non saturation of a controller
Pure gaseous A at about 3 atm and 30°C (120 mmol/liter) is fed into a 1-liter...
Wastewater (65 kg/s) needs to be cooled from 80 °C to 50 °C. Cooling water will...
The reversible first-order gas reaction ??? is to be carried out in a mixed flow reactor....
When 3.793 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 12.34 grams...
What causes vapor temperature drop in the flashing stage of a Multi-Stage Flash Desalination process?
How to determine a CSTR working Volume
under what factor does the heat transfer coefficient is considered to be variable quantity??
list out the different between the heat transfer coefficient and overall heat transfer coefficient??
There is a solution mixed caffeine and methanol . Using HPLC, we have to know the...
Chlorobenzene (density of 1109 kg / m3) and an aqueous washing liquid (density of 1020 kg...
In a condenser, humid air at atmospheric pressure, 35 degree celsius and 90% relative humidity enters...
1. Automobiles are often implicated as contributors to global warming because they are a source of...
2-Assuming ideal gas and constant Cp, calculate [capital delta S with hat on top] (in kJ/(kg?K))...
Two kg water at 120°C with a quality of 25% has its temperature raised 20°C in...
A liquid stream has a flow rate of 100 mol/min and contains 25 mol% Stanzium and...
Choose the correct answer: 1- If the surface area for diffusion increases, the rate of diffusion...
In petroleum catalytic cracking, silica-alumina microspheres with a diameter of 1.8 mm and a specific area...
Q// pure CO2 is absorbed by water in a wetted wall column at one atmosphere and...
a) A mildly restored ‘Knight-Rider’ 1989 Pontiac Trans Am GTA powered by a 5.7 litre V8...
A packed bed is composed of cylinders having a diameter D = 0.02 m and a...
11. Oil is being pumped into a 10.0 mm diameter pipe with a Reynolds number of...
A flow of whole milk at 293 K with a density of 1030 kg / m3...
At a gas station, gasoline is transported through a flexible pipe at a temperature of 25...
A separator will be designed for a mixture that flows at 20.0 m3 / h and...
In a hole meter a flat disk with a central diameter opening is placed transversely to...
Question 2: a- Consider the elementary liquid-phase reaction: A ? B Taking place in A PFR....
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