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Chemical-Engineering Questions
Standard enthalpies of formation are obtained from thermodynamic tables as: C2H5OH(l) -224 kJ/mol CO2(g) -398 kJ/mol...
balance of matter and energy An autoclave with 2000 canned tuna have been heated uniformly at...
Determine the adiabatic flame temperature of combustion of methane using theoretical air. PS: no other values...
Calculate the theoretical density of silicon of given that the Si-Si bond distance is 0.235 nm....
1. Rand water research committee consisting of 12 chemical engineers design a reverse-osmosis plant to recover...
A master chemical engineer student has designed a pilot plant for the production of sugar. It...
Calcium carbonate (CaCO3) is in equilibrium with calcium oxide (CaO) and (CO2) carbon dioxide according to...
Methane is burned with 25% excess air in a continuous adiabatic reactor. The methane enters the...
what is the key point of mono-esterification for polyol compounds ?
1.In a stirred duplicator 5 tonns of liquid (cp= 3,35 KJ/kgK) shall be heated from 20...
50%conversion is obtained in a CSTR for a homogenous, isothermal, liquid phase, irreversible second order reaction....
A spherical object (50 cm diameter, c=0.46 kJ/kg*C, k = 42 W/m*C, density = 7800 kg/m3...
The pyrolysis of ethane is 2000 times faster at 650?C than at 500?C. By what factor...
Given that, at 650?C phosphine decomposes as: 4PH3 --> P4(g) + 6H2, -rphos = (10 hr-1...
An infinite sequence of CSTRs is equivalent to what?
The latent heats of vaporization in J/g for methanol is 1189.5 J/g at 0 C. Calculate:...
his question is from my chemistry assignment. 1. year engineering student. This is from the topic...
Decide whether each of these statements is True (T) or False (F). Negative feedback with a...
A steady state error will not occur when there is a change to the set value...
silica sand particles of spherical shape have a density of 2650 kg/m^3 and voidage 43 percentage...
) An ideal gas (Cp = 5 kcal/kmol, Cv = 3 kcal/kmol) is changed from 1...
determine the molar volume of isobutane at 610K and 20 bar by the generalized compressibility factor...
Define a system and simplify the energy balance of the open system in each of the...
Please show all work to get to the following correct answer to this question. The answer...
A vineyard has 145 acres of Chardonnay grapes. A particular soil supplement requires 5.50 grams for...
A steam power plant design details are supplied as follows. The boiler tubes can withstand pressures...
Data for carbon dioxide: Molecular weight:44.0 Heat capacity of gas phase: 0.036+4.23 x10-5T (in kJ/moleoC, T is...
Consider a power plant operating on a Rankine cycle using steam as the working fluid. The...
(10) Explain the reasons for energetic materials safety testing, and in general, how we perform the...
Using both the van der Waals equation of state and the Peng Robinson equation of state,...
I have a serious problem with fluid mechanics; the context im using is 'Transport Phenomena 2nd...
A liquid-phase reaction A---> B is to be conducted in a CSTR at steady-state at 163°C....
The following data for the enzymatic hydrolysis of n-benzoyl 1-arginine ethyl ester (BAEE) by tripsin bound...
Be sure to answer all parts. Nitrogen dioxide decomposes according to the reaction 2 NO2(g) ?...
Explain dislocation annihilation?
Methane is heated in a rigid container from 80 kPa and 20°C to 300°C. Determine the...
How to do interpolation if we want to get the value between T=2000K and T=1750K? my...
Species A can react to species B in the gas phase (A --> B) with the...
Consider a mixture of 30% n-butane, 35% n-hexane, 35% n-heptane. If the temperature is 50 ?C,...
The exhaust products from complete combustion of 1 kmol of PROPANE GAS contain 3 kmol of...
Choose one of the nine federal environmental statutes and analy ze the regulatory provisions for the...
A feed that is 40 mol% methane, 15 mol% n-butane, 10 mol% n-pentane, and 35 mol%...
Q. A lightweight ceramic material is suggested for femur replacements. Describe the mechanical properties the material...
Magnesium fluoride anti-reflective coating on glass To reduce reflection, eyeglass manufacturers apply anti-reflection coatings on the...
The main layers of the atmosphere are Stratosphere, troposphere, Mesosphere, and Thermosphere. a) List the four...
What are the circumstances in which it might be useful to use a semi-batch reactor over...
A stream of air at 12 bar and 900 K is mixed with another stream of...
During the liquid phase decomposition of A, two reactions compete. A one-half order reaction (k1 =...
1. Ammonia is being absorbed from nitrogen gas using water at 1 atm and 80° F....
find the steady state response for the following system: y(k)-0.2y(k-1)+0.26y(k-2)=2u(k-1)-u(k-2) The input u(t) is not given.
300 mL of a 0.694 M HCl aqueous solution is mixed with 300 mL of 0.347...
Design a fuel cell system that power a motorcycle with a power requirement of 8 hp,...
water enters a 0.1m diameter pipe. find the volume flow rate at which the flow becomes...
Blown Film Extrusion- explain how the film thickness is related to the BUR (blow up ratio)...
Benzaldehyde is produced from toluene in the catalytic reaction C6H5CH3 + O2 ? C6H5CHO + H2O...
P4.6. Steam at 400°C and 10 bar is left in an insulated 10 m^3 cylinder. The...
Consider a subject that boils at -34 degrees celcius, at 98 kpa. At that temperature and...
Given : dy/dt = -100000y + 99999 e^(-t) a. If y(0)=0 use the explicit Euler method...
CHEM 1011 Discussion Question 3 Objectives To become familiar with the uses of Radioisotopes through use...
two parts for one question ----------------------------------------- In the laboratory a "coffee cup" calorimeter, or constant pressure...
Esterification (ANS/H+) - Synthesis of 4-t-butylcyclohexyl acetate 1.) How would each of the following shift the...
Gaseous ammonia (NH3) at 10°C is fed at a rate of 9 kg/min to a blending...
I need these TERMS defination for PTEC process technology major 1-controller 2-set point 3-reverse Acting 4-Integral...
Chem Lab 101 Summarize what you observe when you disconnect the stopper from the flask after...
An ideal quantum dot for use in TVs does not contain any cadmium due to concerns...
A plane electromagnetic wave, with wavelength 4.0 m, travels in vacuum in the positive direction of...
How is acetone recovery determined from acetone concentrations at the top and the bottom of the...
A soluble gas is absorbed into water using a packed tower. The equilibrium relationship may be...
Mammalian cells are cultured (grown) in a bioreactor. The chemical building blocks of cells are carbon,...
A steam of 100mol/s ethanol(C2H5OH) vapor at 400oC and 1 atm is fed to an adiabatic...
An old leaking oil tank contaminated a well. The residents were placed on a water line...
In order to heat up a distillation column for separating a mixture of reaction products, a...
Steam is fed to a turbine that is 85% efficient. The steam enters the turbine at...
Determine the increase in entropy of solid magnesium when the temperature is increased from 300K to...
Many patients have problems with urination. a. How could one quantify the flow rate through a...
Trays are used to dry 1000 lbs/h of solid (dry basis) from X=0.5 to 0.001 lb...
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?
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