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Chemical-Engineering Questions
Ethane is burned with 50% excess air. The percentage conversion of the ethane is 90%; of...
In a finite reactor, 10% of neutrons in a generation leaked out of the reactor while...
An electrical energy storage system is based on a 30 W PEM fuel cell (mass 285...
Water flows at the rate of 500gal/min through a 400-ft-long line. The first and last 100ft...
Defend the following statement or provide counterexamples for which it does not hold: The reaction rate...
Write the correct form of the convection-diffusion equation (BSL 18.0-1) for the following situations: a. Species...
An equimolar mixture of methanol and water is stored at 1 atm pressure. Below what temperature...
Steam flows through a turbine at a rate of 30 kg/s. It enters the turbine at...
The wall of a refrigerator of 4m^2 surface area consists of two metal sheets with insulation...
Assuming Raoult's law to be valid, prepare a Pxy diagram for a temperature of 90 degrees...
Question 2. Answer all parts of this question a) A shell and tube heat exchanger is...
The feed to a separation process contains 50 wt% benzene, 30 wt% toluene, and 20 wt%...
Why are plasticizers added to polymers? Choose one or more: 1. To improve thermal stability. 2. ...
The solubility of an active pharmaceutical ingredient Z in water-acetone mixtures has been determined experimentally at...
A membrane process is being designed to recover solute A from a dilute solution where c1=2.0*10^(-2)kgmolA/m^3...
What would be the reasons for a non-linear relationship between emission intensity and sodium concentration when...
The kinetics of the aqueous phase decomposition of A is investigated in two CSTR reactors in...
A Newtonian fluid with a density of 1290 kg/m3 and a viscosity of 88.4 mPa.s flows...
The solubility of an active pharmaceutical ingredient Z in water-acetone mixtures has been determined experimentally at...
The kinetics of ethanol absorption in the human body followed by the metabolic oxidation of ethanol...
A fin of rectangular profile has a thermal conductivity of 14 W/m C, thickness of 2.0...
An asbestos pad is square in cross section, measuring 5 cm on a side at its...
Steel is subject to severe cathodic polarisation by ~ -500 mV vs the open circuit potential...
what is a chemical reaction that appropriately illustrates corrosion of iron when exposed to air and...
Compare and contrast: carbon and boron nitride Cutting tools?
A wastewater with a flow rate of 0.035 m3 /s is discharged to a small stream...
We are absorbing hydrogen sulfide at 15°C into water. The entering water is pure. The feed...
A stream of hot dry nitrogen flows through a solvent recovery unit that contains liquid benzene....
What is a controlling resistance defined in mass transfer? How do you determine which resistance, if...
The equations that connect the wavenumbers of rotational transitions with rotational and centrifugal distortion constants can...
In graphical solution of a binary flash distillation using an XY equilibrium diagram, prove that the...
Term Project There exist many chances of exposure to toxic chemicals for workers in many field...
Could you show how to solve this problem (10-25) 1.2. A cast iron pipe with a...
At 0,00℃, for H2O (l) the saturation pressure P = 4,581 dry
At the normal melting point of H2O, ?_fus H_m = 6010 J mol-1. Calculate the melting...
(a) Explain the concept of fractional yield and why it is important in reaction engineering. [5...
PROBLEM 2: Electron Balances An available electron balance can be used to analyze experiments in which...
I have a lab experiment that involves the use of gum arabic powder and need the...
A mixture has 10% n-butane, 90% hexane. The temperature is 60 ?C Calculate the bubble point...
1) 20 kg/min water at 20º C is mixed adiabatically with 40 kg/min water at 80...
Aspartase enzyme is used industrially for the manufacture of aspartic acid, a component of low-calorie sweeter....
Consider 1 kilogram of saturated water at 70 degrees celsius in a closed and rigid container...
1. Discuss the effect of increasing the number of co-current stages in the present recovery a....
Part I The elementary gas phase reaction (CH3)3COOC(CH3)3 --> C2H6 + 2CH3COCH3 is carried out isothermally...
1. The irreversible reaction k A --------> B is carried out in a reactor that initially...
Calculate ?G (in kJ) at 65 oC for the reaction: N2O(0.0086 atm) + H2(0.55 atm) ?...
What does fractional distillation of NGLs do?
1. What is the liquid amount required to make a sample of 8000ppm acetone in air....
3. Ethylene can be formed by catalytic cracking of propane: C3H8 ? C2H4 ?CH4 This reaction...
A) A galvanic cell Zn(s)|Zn2+(aq) || Ni2+(aq)|Ni(s) is constructed using a completely immersed Zn electrode that...
Design a single stage RO desalination system by calculating the permeate salinity, the brine salinity, the...
Rectification. McCabe-Thiele Method. A mixture of benzene-toluene is to be distilled in a fractionating tower at...
Describe the FT-NMR process: what is done to the nuclei? What happens to the nuclei afterwards?...
Difference between boiler and heater
Water at 20°C flows up a vertical pipe of circular section and internal diameter of 2...
A 440-MW coal-fired power plant is burning coal that contains 185 ppb of Mercury. The coal...
Assuming that only CaSO3 is produced, calculate the daily production rate (in tons/day) of a 55%-solids...
Iron, at atmospheric pressure, is heated from 60°F to 130°F. Determine the change in specific internal...
Principle on which Rockwell and Brinell hardness are based is same- State “True” or “False” &...
Solve it by using EES A student living in a 4-m × 6-m × 6-m dormitory...
Burning H2 (g) in the presence of O2 (g) proceeds by the following reaction: H2...
a. What is the driving force for the sintering process? b. How about the Ostwald ripening...
A first order, liquid-phase reaction A ?products, is conducted in a 2000 L CSTR. The feed...
Calculate the speed of light propagating through diamond. Why does light slowdown traveling through solids as...
Consider two parallel first order reactions yielding the same product. (a)Derive the dependence of the concentration...
Consider a consecutive reaction with pre-equilibrium: A + B ? X ? Z; The rate...
A gas has a dry-basis composition of 9 mol% CO, 10mol% CO2, 1mol% O2, and 80mol%...
Ideal gas ethylene undergoes a reversible adiabatic compression by which its temperature increases from T1 =...
A perfectly mixed flow reactor is to be used to carry out the exothermic isomerisation reaction...
Consider a mixture of 30% n-butane, 35% n-hexane, 35% n-heptane. If the pressure is 202 kPa,...
Write a MATLAB code to read the following data sample of fluid properties. 1. Read data...
A distillation column has a feed of 100 kmol/h. The feed is 15 mol% heavy non-key,...
Air at 20°C blows over a hot plate 50 by 75cm maintained at 250°C.The convection transfer...
The characteristics of a centrifugal pump that is used to pump water (998 kgm-3 , 1.14×10-3...
A linear polyethylene molecule has a RMM of 84000 a.) Calculate the length of the fully...
The flow through a reactor is 10 L/min. A pulse test gave the following [tracer] concentration...
Please show how the solution was arrived at I'm trying to understand how to do the...
Propane gas is burned using air, both are at 25c and 1 atm. excess air is...
A reactant, A, is polymerized by emulsion polymerization in the droplet phase (i.e., dispersed globules) of...
Q. Hg|Hg2Cl2(s), KCl(aq,saturated)||KCl(aq, 0.08 M), AgCl(s)|Ag (emf was observed at 0.051 V at room temperature, Standard...
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