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Chemical-Engineering Questions
it is desired to estimate the composition of a system with a mixture consisting of binary...
A packed bed of particles of density 2500 kg/m3 occupies a depth of 0.5 m in...
The uncontrolled emission rate of SO2 from a power plant is 80 kg/ton and the controlled...
how we can know the number of trays if we have 3 three equilibrium stages and...
The Great Orme Tramway is the Great Britain's only remaining cable-operated tramway. It is a 1.6...
Thermodynamically speaking, why does water and oil separate when mixed?
The initial temperature distribution across a wall with a thickness of 60 cm is described with...
A heat exchanger uses oil (cp = 1880 J kg-1 K-1) at an initial temperature of...
A vertical plate of 700 mm wide and 120 cm height is maintained at a temperature...
What is the molecular weight of polymer such as weight average molecular weight and PDI
At 100C, the vapor pressures of hexane and octane are 1836 and 354 torr, respectively. A...
It is given that air-to-cloth ratio or Vs is 5 ft/min for baghouse filters used for...
Ethane (C2H6) reacts with chlorine gas (Cl2) to form chloroethane which further reacts with chlorine gas...
Ammonia gas (A) is diffusing at steady-state through N2 (B) by equimolar counter-diffusion in a circular...
Determine the heat required to accomplish the following processes: (a) heat 1 mole of liquid water...
Explain why one molecular weight average is not sufficient in describing the chain length of a...
suggest a suitable fuel cell used for backup power. Substantiate your answers with suitable facts and...
A liquidus temperature is defined as? What is this temperature (in C & F) for aluminum,...
The measured volumetric flow rate of ethane at 10.0 atm absolute and 35 ̊C is 1.00×103...
Calculate molar volumes of ethane at 320 K from 10 kPa to 20000 kPa at 200...
List three types of biochemical reactions involving acyl transfer nucleophilic substitution.
List at least six industrially important adsorbents (1.5 mark, K&U 2.2) Select two adsorbents from task...
The tracer is poured into the reactor at top of the liquid all at once. Comment...
Find ∆Ssys, ∆Ssurr, q, w, and ∆U for the reversible isothermal expansion of 3.000 mol of...
Calculate the radius of an atom of a hypothetical material, given that the material has an...
Indicate whether each statement is true or false. If you think the statement is false, rewrite...
Question 4 Saturated steam at 227°C is used in a heat exchanger to preheat a reactor...
Brief description, typical specifications of commercial grades and commercial applications of styrene.
Consider 1 mole of each of two Einstein solids, A and B. The oscillator frequency in...
Photoelectric effect: The maximum energy of photoelectrons from the aluminum is 2.3eV for radiation of 200nm...
Task # 3 the first order reaction A → B, with –rA = kCA, takes place...
A thin-walled cross-flow heat exchanger is used to heat a petrochemical whose specific heat is 1800...
Air flows steadily through an adiabatic turbine, entering at 1.4 MPa, 600°C, and 178 m/s and...
A laboratory scale packed bed reactor (PBR) with catalytic particles is used to make experimentswith an...
Task # 4 A laboratory scale packed bed reactor (PBR) with catalytic particles is used to...
Task # 4 A laboratory scale packed bed reactor (PBR) with catalytic particles is used to...
Determine the molar volume of n-butane at 425 K and 38 bar by the generalized compressibility-factor...
For the homogeneous autocatalytic reaction A + B → B + B, where –rA = kCACB,...
(8 pts) Calculate the melting temperature (Tm;°C) and the %GC content of the following primer sequences....
An advanced engineered ceramic has a Weibull modulus m = 9. The flexural strength is 250...
Start from the following expression that relates the equilibrium constant K to the standard free energy...
Birds that frequently fly long distances generate ATP via different pathways than birds that fly mainly...
1. In a typical nozzle, air is used as a medium to undergo increased velocity at...
A chemical industry is using a Continuous stirred tank reactor . You are asked to analyze...
If you have an elastic sample that you want to analyze by TEMI Which sample preparation...
At a temperature of 252.4°C, the average velocity (meters / second) of a propane, C3H8, molecule...
Carbon dioxide and nitrogen experience equimolar counterdiffusion in a circular tube whose length and diameter are...
The gas phase reaction: 2A+B = 3C , is carried out in an isothermal packed bed...
Name various reactor head with their operating pressure (pressure that is used to determine which reactor...
I am a senior chemical engineering student who plans to graduate and pursue medical school. I...
The bottom of a water tank leaks at a rate given by Q=0.61A_cs √(2ΔP/ρ) where Q=...
What is maximum ground level concentration and where is it located downstream for the following? •Wind...
Calculate the osmotic pressures of BSA 1g in 1L water and CH3COONa (10% ionization) 1g in...
An electron is confined to a 1 micron (1.00 x 10-6m) thin layer of silicon. Assuming...
On a clear winter night, a wind speed of 2.5 m/s was measured on a 10-m...
A 11 kg block of ice at -15 °C is added to an insulated container partially...
1. A steel sheet metal of 0.0265-in thick is bent to a radius of 0.5-in. Assuming...
find the hydronium ion concentration and the pH of a 0.500 mol/L solution of hydrochloric acid
HW10, S2. 2,4-Dichlorophenoxyacetic acid (24-D, MW = 221 g/mol) is the top-sale lawn weed killer. A...
What is the purpose of including baffles on the shell side of the heat exchanger? Consider...
During this experiment, we exposed solutions of aspartame to base. What was the product of this...
Insulation is added to each household such that the annual savings per house are 75,000 MJ....
A cylindrical rod have 400 cm length, 4 cm diameter and weigh 8000 gm at 25...
Consider a system consisting of a sealed bottle containing saturated oxalic acid (aq) with excess solid...
A pristine stream flowing at 139 cubic feet per second (cfs) in the Sierras contains 5...
A two-component mixture containing 70% of Mineral A and 30% of Mineral B is floated in...
In the determination of the alkalinity of a wastewater sample, we have the following data Final...
What is the partial molar temperature? What is the partial molar pressure? Express results in relation...
Biodiesel from a palm oil has an approximate formula of CxHyOz. Excess air is supplied at...
discuss metallurgical factors related to fatigue and methods of increasing cycles to failure
Due to overly reliance on non-biodegradable plastic, abundance of plastic waste has led to waste management...
100 litres each of gasoline (55°API), kerosene (40°API), gas oil (31°API), and isopentane (96 °API )...
The fluid of density 2300kg/m3 and viscosity of 10-3 m2 /s is placed between two parallel...
During maintenance of packed bed reactor in steam methane reforming plant, it was observed that there...
An analysis of the vent gases from the chlorinator in a plant for making chlorinated rubber...
Heat Exchanger Design Question: In a Cross-Flow heat exchanger, is "R" dependent on the number of...
The fluid of density 2300kg/m3 and viscosity of 10-3 m2/s is placed between two parallel plates...
2. obtain the absolute pressure of the gas when the gas pressure in the container is...
A gas mixture has the following composition by volume: SO2 = 8.5%, O2 =10.0% and N2...
What is the most dangerous range of dust size for humans? A. Particles > 0.5 μm...
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