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Chemical Engineering Questions and Answers November 12, 2019

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Use a quasi-steady state analysis to determine the particle radius as a function of time, Determine the time necessary to reduce the diameter of the coal particle to 50um Remember the process will be limited by the diffusion of oxygen countercurrent to the carbon monoxide(CO) formed at the coal particle surface. I need all steps-by-steps processes
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An ideal equimolar mixture of hexane and decane is sent to a flash drum, which operates at equilibrium at 7 6 0 m m H g ( 1 atm ) and 1 2 0 C . The saturation pressure ( in m m H g ) of each component can be calculated using the following Antoine equations: l o g 1 0 ( p h e x a n e ) = 6 . 9 1 0 5 8 - 1 1 8 9 . 6 4 T ( C ) + 2 2 6 . 2 8 l o g 1 0

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A) Each year, Ngabwe ward in Central Province cultivates 20,000 hectares of maize. Currently, households are having difficulty obtaining cooking fuel due to the removal of trees associated with charcoal production. The Republic of Zambia's government intends to assess the feasibility of using maize residues as feedstock for biomass pellets, an
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Refer to the attached drawings, determine the following: (a) Upper limit of A (1 mark) (b) Lower limit of B (1 mark) (c) Dimension C (1 mark) (d) Upper limit of D (1 mark) (e) Tolerance range of E (2 marks) (f) Dimension F (1 mark) (g) Convert K into nominal dimension with symmetrical bilateral tolerance (3 marks) (h) Tolerance range for G (2
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When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? NO3+Mn2+NO2+MnO4 Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of (Enter 0 for neither) How many electrons are transferred in this reaction
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1.Consider a shell-and-tube heat exchanger, operated in a cocurrent configuration to cool a 100 liters/min aqueous process stream (Phase I). The process stream enters the shell side of the heat exchanger at a feed temperature of 90 C. To cool this process stream, a 200 liters/min stream of cooling water (Phase II) is fed at 30 C through the heat

Problem 1: (30 pts) Consider a single-input single-output system with the following transfer function: G(s)=4s+2K When a unit step change is applied to the input (x), the steady-state value of the output reaches to 3. a) Find the value of K ? b) Determine the time profile for the output, i.e., y(t)= ? c) Show that the time required to reach half
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1 0 . Critically assess the environmental and economic implications of petroleum coke production, particularly its utilization as a fuel source and raw material, and its impact on air quality, greenhouse gas emissions, and industrial processes.

1. Please solve the following two equation systems: (1) manually with the eigenvalue method; (2) numerically with MATLAB; (3) plot the slope field and solution curves using C1={1,0,1},C2={1,0,1}, the x range [55], and the y range [55]. (a) {x=x+yy=4x+y (b) {x=2x+2yy=2x5y
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The inlet conditions to a Brayton cycle are 300K and 100kPa. Combustion of fuel adds 570kJ/kg to the working fluid. The maximum permissible temperature is 1300K to account for material stability. Determine the maximum possible compression ratio in the compressor (P2/P1), cycle efficiency, and backwork ratio using both air-standard and cold air
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Fuel' can be defined as a substance which produces heat by Combustion Nuclear fission Nuclear fusion All ( A ) , ( B ) & ( C )

plz solve it using software POLYMATH plzzzz Problem 2 Statement: The one-dimensional model for a tubular reactor with A Products, can be written as below: rA=Dex22CAVxCA Where, De= Dispersion coefficient of reactant A=0.01cm2/sec V= Fluid flow velocity =0.1cm/sec CA= Concentration of reactant A x= Dimension along the reactor. rA= reaction rate
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If a Newtonian fluid is sheared between two parallel walls with width of 1m and length of 100m with a velocity that can be characterized as follows: vx=(ay+b)i+0j+0k. The two walls are separated by a distance of 2m. a) Draw a schematic showing the velocity profile between two walls in a Cartesian coordinate and indicate the velocities at the

The rate law for the oxidation-reduction reaction of Mn2+ is: dtd[Mn2+]=k[ClO2][Mn2+] (i) What is the overall order of the reaction? (ii) At 25C, if [ClO2] is held constant and equals 105M, and k1=3.4103 L/ (mole.s), calculate the time required to reduce the concentration of be k2, the rate of the same reaction at t=35C ? You will need to use
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please post step by step explanation An LPG (liquefied petroleum gas containing 19 mole \% propane, 74 mole \% 'n VPG (vloeibare petroleumgas wat uit 19 mol \% propaan, 74 mol \% n-butaan n-butane and 7 mole \% n-pentane) stream is fed to a reactor. Ideally the en 7mol% n-pentaan bestaan) word na'n reaktor gevoer. Ideaal gesproke moet stream
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This pictures have been developed after the exposure process 1 is normal state. And 2,3,4 have problems Please let me know each problems of 2,3,4 I have to explain the state of pictures. The picture is one of the semiconductor process 1. \begin{tabular}{|l|l|l|} \hline PR & 2 & PR \\ \hline Substrate & Substrate \\ \hline \end{tabular}
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2. Inlet gas stream to a packed absorption tower (absorber) contains y1=0.04 mole fraction ammonia (NH3). The outlet gas stream contains y2=0.006 at 293K and 101.325kPa. The inlet solvent flow is L2=100kgmol/h and contains small amount of ammonia, x2=0.002. The total inlet gas flow is V1=75kgmol/h. The tower cross-sectional area is 0.5m2. The film
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Please explain the material used for OPC cement

Solution purification is an important step in the upgrading of pregnant leach solutions from dump / heap leaching. With reference to Uranium processing compare and contrast the two main methods used for this process i . e . Solvent Extraction and Ion Exchange.

Problem 2 7 . This problem involves plotting a phase diagram for mixtures of poly ( isobutylene ) ( PIB ) and 1 , 4 - poly ( butadiene ) ( PB ) in the melt state. For simplicity assume equal molecular weights and monodisperse polymers, M ? P I B = M P B , and a common density of = 0 . 8 7 g c m 3 . Determine the molecular weight required to place
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A gas mixture at 2.026105Pa total pressure containing air and SO2 is brought into contact in a single stage equilibrium mixture with pure water at 293K. The partial pressure of SO2 in the original gas is 1.52104Pa. The inlet gas contains 5.7 total kg mol and the inlet water 2.2 total kg mol. The exit gas and liquid leaving are in equilibrium.
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A continuacin se muestra el diagrama de flujo de un proceso en estado estacionario para recuperar cromato de potasio cristalino (K2CrO4) de una solucin acuosa de esta sal. Cuatro mil quinientos kilogramos por hora de una solucin que contiene un tercio en masa dc K2CrO4 se unen a una corriente de recirculacin que contiene 36.4% de K2CrO4. y se
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Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 2 8 6

Problem 2 The container shown below contains water ) and extends c = 5 m into the page. The top of the container is sealed shut 1 by a massless gate angled at = 4 5 to the horizontal. The water level in the container is b = 1 . 5 m above the hinge, as shown. Above the water in the container there is air at a pressure of 2 atm ( absolute ) . The
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answer the following questions in the diagram: what is the triple point of CO 2 Answer the following questions using the diagram: 1. What is the triple point of CO2 ? atm C 2. What is the vapor pressure of CO2 at 40C ? kPa. 3. Identify in the figure the fusion process
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B. Design of a Conventional PID Controller for an Inverse-Response System by The Ziegler-Nichols Method for any unit operation or process of your choice. Draw the unit operation (reactor, heat exchanger, etc), explaining in which chemical industry this is being applied and which process variable is controlled, indicating the operational
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A cylindrical alumina crucible has outside dimensions of 1 7 c m diameter and 3 0 c m height. The wall thickness of the crucible is 1 c m . The alumina is pure - alumina at 9 5 % of theoretical density, and is preheated to 3 0 0 C . Molten cobalt is poured into the crucible to a depth of 2 0 c m . The aim is to have a final cobalt temperature of 1
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( 1 ) A four ( 4 ) component mixturres is to be separated into relatively pure component by simple distillation. If the volatility profile is such that A > B > C = D ( 1 ) Sketch the process if the process is by direct Sequence. ( ii ) Repeat ( i ) but C is recovered as the bottom product.
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Evaporation rate is usually expressed in Question 1 8 options: pounds of steam per hour none of these pounds of steam per hour per cubic volume of furnace steam boiler pounds of steam per hour per square feet heating surface all of these

please dont use chat gpt 5 7 4 . ' '

Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 3 6 4

please try to give correct answer 3 5 3 . .

The pipe section below is L=730mm long and is loaded with a tensile force of P=43kN and remains elastic (\\\\sigma ) = ( E\\\\epsi ) . The outside radius of the pipe is r_(0)=14mm and the inside radius is r_(i)=12mm . The pipe material has an elastic moduuls of E=70GPa and a Poisson's Ratio of \ u =0.3 . Determine the volume change of the pipe.
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PVy = constant, holds good for an isentropic process, which is Reversible and isothermal Isothermal and irreversible Reversible and adiabatic Adiabatic and irreversible

Complete the derivation of performance equations for a continuously stirred tank reactor ( CSTR ) assuming zero - order reaction kinetics and assuming second - order reaction kinetics Start from a pollutant mass balance. Derive the general performance equation for a CSTR . Use the general performance equation to derive the performance equations
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DMSO\ +KBr+HOt-Bu \ major product\ 2.\ g=S_(N)1 Nucleophilic substitution\ a= Proton transfer\ b = Lewis acid/base\ d = Electrophilic addition\ e= E1 Elimination\ h=S_(N)2 Nucleophilic substitution\ c = Radical chain substitution\ f= E2 Elimination\ NaBr \ Identify the mechanism by which each of the reactions above proceeds from among the
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please dont use chat gpt AI 4 8 0

1. A monotonic ( Cp=5R/2 ) ideal gas ( 5 moles) within a piston/cylinder arrangement has a weight on top of the piston/cylinder equivalent to 3 bar. The piston head is not moving. The system is insulated so no heat transfer occurs. You measure the temperature of the system and the thermometer reads 20C. You remove the insulation (this is the start
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3). A plot of lnC(M) vs t (s) gives a slope =0.02 and an intercept =0.693 with R2= 0.99 . Calculate the order of reaction and the k value. Justify using the integral method
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6. Receptive field a. Define the receptive field of a neuron, say a cell in V1, and how you would measure it. (5 pts) b. Describe the receptive field of a retinal ganglion cell and how it comes about from the cells and circuit of the retina. (10pts) c. For your answer in b), how do divergence and convergence contribute? ( 5 pts)
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solve 2 questions. b) A Pelto. whicel iunning at 260 s.p.m. and opcrating under an available head of 250m is required oo deveiop 2.5M. . . There is only one jet with nozzle diamcter 15cm and the bucket deflection angle is 165. The co-efficicnt of velocity of nozzle =0.98 and blade specd ratio =0.46. Deiermine the following: i) The Turbine
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Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 3 0 8

1 5 kg of particles of particle density 2 0 0 0 kg / m 3 are fluidized in a vessel of cross - sectional area 0 . 0 3 m 2 by a fluid of density 9 0 0 kg / m 3 . ( a ) What is the frictional pressure drop across the bed if the bed height is 0 . 6 m , what is the bed voidage?

please plot by doctor well testing 4. In one drawdown plot, draw pressure transient test data for the following cases: a. A well in an infinite reservoir (solid line) b. If the same well in (a) is affected by constant pressure boundary (dotted line) c. If the same well in (a) is affected by no flow boundary (dashed line) d. If the same well in (b)
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Explain the metallurgical process around this sample using a flowchart
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Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 3 1 2

please dont use chat gpt or other AI 4 1 5 .

6. Sodium polyacrylate, PAC, is produced by the hydrolysis of polyacrylic acid with an aqueous solution of sodium hydroxide. (This is a similar reaction to your production of TPA in experiment 4.) Use the data in the table to answer the questions that follow. Report numerical answers with correct number of significant figures and appropriate
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Predict the chalcone product for the aldol condensation reaction illustrated below. If more than one product is likely, select all that are correct.
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Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 3 1 4

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A scale-model of an absorption column is to be tested. The problem of interest is that of air flow around the column. Since this is a low-speed problem, the Reynolds number is to be held constant between the model and the full-scale column. The model is to be one-tenth the height of the column with the same shape. The design wind speed for the
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A . Resultados ( 2 . 5 pts . ) \ table [ [ Peso de la acetona usada, 0 . 0 7 m L
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A diesel engine has a pre-compression state of 95kPa and 290K, and maximum temperature and pressure of 2200K and 5MPa, respectively. Determine the compression ratio and efficiency of the cycle using both air-standard and cold air standard approaches. Complete the table of properties below
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Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 3 9 9

please answer just these two parts of the question!!!! i will upvote if it's right Current Attempt in Progress Acetic acid for culinary uses is widely produced via fermentation. However, it is also a commodity chemical used in polymer production and acetylation of a variety of molecules. Acetic acid can be produced in bulk by the carbonylation of
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The gas - phase reaction A - > 2 R + 3 S was carried out in a sealed reactor at constant volume, operated isothermally at 4 3 0 K and 5 0 0 K . In both cases, pure reactant A was fed at 2 . 6 atmospheres of pressure. The experimental results are shown in the following table: Determine how long it takes to reach an 8 5 % conversion at 5 0 0 K .
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Consider the rotational mechanical system below. Find the transfer function from the torque T(t) to the position 2(t) or the second inertia. HINT: Write the equations with 1(t) and then eliminate this redundant variable
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please dont use chat gpt or other AI 2 1 5 . .

Q1. Most implants in the body go through repeated cycles and may result in failure. Heart valves made of pyrolytic graphite, Cobalt chrome alloy for hip and knee replacements, dental alloys are some examples. The human heart beats about 4107 cycles per year. 1. To design the valve to last for 25 years using the high cycle fatigue approach, how
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Identify the unknown isotope X in the following decays. 230ThX+ Express your answer as an isotope. X Part B 35SX+e+ Express your answer as an isotope. Identify the unknown isotope X in the following Part C decays. X40K+e++ Express your answer as an isotope. Part D 24Na24Mg+e+X+ Express your answer as an isotope
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Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 4 1 2

The Big Butte field is a volumetric dry-gas reservoir with a recorded initial pressure of 3,500 psi at 140F. The specific gravity of the produced gas is measured at 0.65. The following reservoir data are available from logs and core analysis: Thickness = 25 ft Reservoir area =1500 acres Porosity = 15% initial water saturation = 20% Calculate: a.

An insulation ) layer that is 0 . 0 0 2 m thick surrounds a wire diameter = 0 . 0 0 2 5 m in a room at 2 5 C . Current is passed through the wire, resulting in the generation of heat. The boundary between the wire and insulation has a thermal contact resistance of R ' = 5 . 5 1 0 - 3 m K W . The convective heat transfer coefficient at the outer
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Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 4 1 5

please dont use chat gpt AI 6 2 0 .

. b) In a jacketed batch reactor a second-order reaction is carried out isothermally at 90C. By regulating the flow of cooling water in the jacket the reactor temperature can be controlled. If the cooling water enters the jacket at 25C, calculate the flow rate and the outlet temperature of the cooling water after 4 minutes. NOTE: Assume that a log
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Determine Henrian activity coefficient of carbon at 1 8 7 3 K . l o g a C = l o g ( x C 1 - 2 x C ) + 1 1 8 0 T - 0 . 8 7 + ( 0 . 7 2 + 3 4 0 0 T ) ( x C 1 - x C ) If binary system is Fe - C system, how can we solve this with factsage and excel? Please help..!
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Please answer all parts of question correctly with all steps for a like... 3. [2 points] If a uniform solid body weighs 50N in air and 30N in water, find its specific gravity. Need to show work. List any assumptions
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What are the required raw materials and waste streams of a Bisphenol A plant with a target of 1 2 0 , 0 0 0 tons / yr , conversion rate of 8 2 % , selectivity rate of 9 5 . 7 % and operating parameter at 8 0 0 0 hrs / yr ?

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Answer the questions below about the effect of surface properties on materials processing. The "Laplace force", which acts to liquid as inner pressure to minimize surface area (or total surface excess energy), is represented by the following equation: P=(rx1+ry1); where is surface tension of a liquid, rx and ry are radius of curvature (in x-or
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Your company has asked you to determine a suitable concentration of a Sn - Au alloy for use in microelectronic interconnect wires. During fabrication, these wires can reach temperatures of 4 0 0 C and the reach 3 0 0 C during operation. Given the phase diagram below, what compositions of S n - A u could be suitable? Note: your company cannot
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An absorption column operating at 1.0 [atm] and 36 [C] is to be designed to remove carbon disulfide (CS2, component 1) from a gaseous binary mixture containing 93% nitrogen. For design purposes, assume that the flow rate of this binary gaseous mixture is 2.50 [kmol/min] and that 89% of carbon disulfide should be removed. Assume also that the

Divers can suffer from a medical issue known as the bends, if they surface too quickly. This is due to the change in pressure leading to gaseous nitrogen evolving in the divers blood. Assuming that a person has 5L of blood, and the pressure underwater was 4.75 bar. What volume of gas leaves the divers blood if they surface quickly to a pressure of

Q 1 ) i - Estimate the diffusivity of carbon oxide ( C O 2 ) in air at 3 3 0 K and 1 . 2 bar applying the following formula and the data given in Table Q 1 . D A B = [ 3 . 0 3 - ( 0 . 9 8 M A B 0 . 5 ) ] ( 1 0 - 3 ) T 1 . 5 P M A B 0 . 5 A B 2 D where; D A B = diffusion coefficient, c m 2 s e c M A , M B = molecular weights of A and B ,
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The following parallel reactions are run in a 1 0 m 3 batch reactor. A + B k 1 C B + C k 1 D With C A 0 = 3 0 m o l m - 3 and C B 0 = 2 0 m o l m - 3 Both reactions can be considered elementary. The down time between batches is 1 2 0 min and the maximum temperature is 3 5 3 K The purchase and selling prices of the reactants and product is given

10. For each regularly perturbed equation, find a two-term perturbation approximation of the solution, where 01. (d) dtdu=1+sin(u),ut=0=1,t0
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I need help, please Aluminum metallurgy, carbon technologies: Briefly explain the effect of the following variables on anode consumption (carbon consumption): * Coke calcination temperature; * Anode baking temperature; * Sulfur content of coke; * Vanadium content of coke; * Sodium content of coke (Sources de recherche, please)

What is the exit steam and water mass fractions and water per hour? What should the exit pipes diameter be
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Derive the one - group reactor equation.

What is the approximate equilibrium temperature in a 300cm3 vessel containing 3mol of water at 10MPa
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You plan to buy a car, costing $28k, but only have $4.3k available for down payment. What would be your monthly repayment, if 4% monthly interest rate is applied on your 6 year loan? .

Composition of Ore: F e 2 O 3 8 4 % ; S i O 2 9 % ; A l 2 O 3 3 % ; H 2 O 4 % Composition of Pig Iron: Fe 9 4 % ; C 3 . 8 % ; S i 2 . 2 % Composition of Flux C a C O 3 9 5 % ; S i O 2 5 % , used 5 0 l b 1 0 0 l b pig iron ( 2 2 . 6 8 k g 4 5 . 3 6 k g pig iron ) Composition of Coke C 8 4 % ; S i O 2 1 0 % ; A l 2 O 3 3 % ; H 2 O 3 % , used 9 0 l b

A saturated mixture of methane (CH4) is at pressure 2329kPa. Using generalized charts, estimate Tsat,,vf and vg of the mixture
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numerical methods Qy(0)=2, calculate y(1) given the following drd=ssena.5y
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The following parallel reactions are run in a 1 0 m 3 batch reactor. A + B k 1 C B + C k 1 D With C A 0 = 3 0 m o l m - 3 and C B 0 = 2 0 m o l m - 3 Both reactions can be considered elementary. The down time between batches is 1 2 0 min and the maximum temperature is 3 5 3 K The purchase and selling prices of the reactants and product is given
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what is common type of antibiotics resistance in hospital wastewater and how the treatments? please give the clear explanation

Problem 2 (30 points): For one-dimensional unsteady diffusion along the z-direction (rectangular coordinate), solve for expression of Ci as a function of both time and position z
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2 . 7 Consider the following reaction of synthesis gas, C O + 2 H 2 h a r r C H 3 O H in a packed - bed reactor. The reactor is well insulated and may be assumed to operate at steady state. The feed enters the catalyst bed at 2 7 5 C and the effluent leaves at 4 2 9 C . The reaction takes place at 3 0 0 atm. Unfortunately, the analytical
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How does the transesterification process work to produce ester flavor? Is there any bio converter or fermentor in the process?

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