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Chemical-Engineering Questions
One cubic meter of argon is taken from 1 bar and 25°C to 10 bar and...
1. Use electron-dot diagrams and formal charges to predict the bond order for each bond in...
Calculate the theoretical oxygen demand and TOC of 250 mg/L THC (in mg/mg and mg/L). THC:C21H30O2
Air at 50.0% relative humidity is cooled isobarically at 1 atm absolute from 90.0°C to 15.0°C....
(a) For the solidification of iron, calculate the critical radius r* and the activation free energy...
The kinetics of some phase transformations obey the Avrami relationship. Using the fraction transformed-time data given...
What are possible reasons that the heat duty of the tube side differs from that of...
It is known that the kinetics of recrystallization for some alloy obey the Avrami equation, and...
Gas A (MW =16) is flowing at 230°F and 24.5 psia with a volume of 400...
What is the importance of knowing the strategies that bacteria have to acquire new genetic information?
Is it possible for a reversible first order endothermic reaction to have multiple steady state (MSS)?...
How would you purify the amino acids that result from breaking down of milk protein (~...
Predict the diffusivity of bovine serum albumin at 298 K in water as a dilute solution...
Write a question in thermodynamics term for the given solution. Solution (partial) : Re = (density)(velocity)(characteristic...
Derive the equation for steady-state viscous flow in a horizontal tube of radius ro where fluid...
Create a PFD for your full propylene production chain. Show all the equipment required for each...
For a one-component system, determine which function or combination of thermodynamic functions is minimized or maximized...
1. Polyvinyl chloride, PVC, is a very versatile polymer. For example, it’s used extensively in piping...
Consider the equilibrium process of liquid helium vaporizing to a gas. Show that the ratio of...
Only Occupational Safety and Health Administration (OSHA) standards are legally enforceable in facilities that are regulated...
CALCULATE THE FUGACITY COEFFICIENT OF TOLUENE AT 50 °C & 25 KPA USING THE VIRIAL EQUATION...
If the total emission rate of carbon in the atmosphere is 13 GtC/yr, and assuming an...
A nuclear fuel element consists of a solid cylindrical pin of radius, r1 and thermal conductivity,...
What are the main goals of patrol and how do they relate to the concept of...
When components A and B are mixed, this system has a maximum temperature azerotrope at 1-bar...
The city of Detroit needs to install a metal culvert (hollow cylinder) at the intersection near...
A voltaic cell is constructed based on the following reaction and initial concentrations: Fe2+( F e...
A steam flowing at 12 kg/s enters a Rankine cycle condenser at 50 kPa with a...
An aorta has D=33.6 mm. Blood has a SG= 1.06 and viscosity=3.5cP. Calculate the highest Volume...
prove to the irreversible polytropic process that PV ^ GAMMA = CONSTANT.
find the specific volume and mass of CO2 in a spherical vessel if the pressure is...
Reaction 1: A + B --> E + 0.3 F with rF = 7.5 CA1.5CB1.5 Reaction...
(a) For the solidification of copper, calculate the critical radius r* and the activation free energy...
⦁ A mixture of 20 mol% Chlorine, 30% Chlorobenzene, and 50% Methane is held at 470...
Calculate the number of theoretical plates and the HETP in a 3 m column whose major...
Consider the reaction of peroxydisulfate ion (S2O2−8S2O82−) with iodide ion (I−I−) in aqueous solution: S2O2−8(aq)+3I−(aq)→2SO2−4(aq)+I−3(aq)S2O82−(aq)+3I−(aq)→2SO42−(aq)+I3−(aq). At...
Thorium isotope,Th232, the half-life is 22.3 minutes,it's atomic mass is 232.04 g/gmol. Avagrado's number is 6.022E23...
A BOD test was run in a 300 mL bottle on a 30 mL dilution of...
You have 2 CSTRs in series and 3 liquid reactions: A -> R -> S R...
A student prepares a sample of hydrogen gas by electrolyzing water at 25°C. She collects 112...
In stripping voltammetry, a thin mercury film is deposited on the surface of a glassy carbon...
A 0.66 g sample of ethanol (MW = 33.0 g/mol) is burned in a bomb calorimeter...
On an uncomfortable summer day, the air is at 30.6°C (87°F) and 80% relative humidity. A...
Hot water is required as utility in a certain bioprocess. 10,000 g/h water at 28oC enters...
Separation of compounds in distillation is based on what ? Which one is more dense water...
What is the effect of temperature, pressure and catalyst on ammonia synthesis process?
For Parts a, b, and c: Please consider a universe composed of two objects. One object...
A treatment plant doing color removal by coagulation is using combined chlorine as a means of...
A 60.0 g aluminum block, initially at 55.00 °C, is submerged into an unknown mass of...
a spherical particle with a radius r is placed in a much larger tissue. The drug...
A sample of 4.10 mLmL of diethylether (C2H5OC2H5 ; density=0.7134 g/mL) is introduced into a 5.10...
Determine how much it will save a year if the lights in the commercial store and...
Determine the theoretical oxygen demand for 1,4 dioxane C4H8O2 the concentration is 16 micrograms/liter
For the diffusion of C in Ti, the following results have been obtained: Temperature (°C) D...
Assuming a C.t value of 0.8 mg.min/L for free chlorine disinfection of E.coli yielding 99% kill...
Problem 4. Suppose that the surface reaction A→B proceeds by the steps A+S⇄A-S A-S+xS→B-S+xS B-S⇄B+S in...
Consider (12.5 + A) micro-grams of a radioactive isotope with a mass number of (78 +...
Stainless steel has a specific heat capacity of 500 J/(kg.K) and a linear thermal expansion coefficient...
A biomaterial composite is made of a polymer matrix with aligned ceramic fibre reinforcement. The composite...
Steam (water) at 105 Pa and 150 oC enters a water-cooled compressor at a rate of...
There is a hypothetic system of N particles, there internal energy is given by U(S,L,n) =...
Build in Excel a liquid-vapor equilibrium diagram for the water-acetone system using Wilson's model and Compare...
Feed saline (salt) water containing 5 wt% dissolved solids and the balance water enters an evaporator...
A Carnot heat engine receives heat at 800 K and rejects heat to the environment at...
Select the option that is false: a) A small number of Biot represents little resistance to...
The electronic components of a computer are cooled by air flowing through a fan mounted at...
Air at temperature 15 degrees Celsius and the pressure 1 bar enters and compresses to the...
A steady-state turbine expands steam reversibly and adiabatically from 450 degrees celsius and 10 MPa. The...
A countercurrent absorption column operating at 3 atm and 20 °C is used to scrub acetone...
Calculate the fraction of the vapor and the fraction of the liquid when the pressure of...
In a typical nozzle, air is used as a medium to undergo increased velocity at the...
Describe “purge and trap” in analytical separation. How does it work, and why is it effective...
Part of a students work in her previous job involved boiling and condensing hydrocarbon mixtures. In...
Acetylene gas, C2H2(g), can be prepared by the reaction of calcium carbide with water: CaC2(s)+2H2O(l)→Ca(OH)2(s)+C2H2(g) Calculate...
A certain gas-phase reaction is first order in each of the reactants. The energy of activation...
what are processes other than vacuum degassing and distillation columns where there would be a control...
A heat engine is assumed to operate on a Carnot cycle. It receives 600kJ heat from...
Calculate Z and V of a gas at 350 k and 15 bar using the truncated...
Air at a pressure of 101 kPa and a temperature of 20°C has its temperature raised...
A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A...
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