Chemical Engineering Questions and Answers October 16, 2019

Can you solve this transport phenomena problem accurately in the concept of chemical engineering

Compare the rates of effusion for fluorine gas and nitrogen gas at the same temperature and pressure. Show work and write a sentence to compare their rates

I need to help to express CA , CP , and CS with respect to CA 0 and t . someone on chegg answered with the function as I've written on the bottom right part of the picture, but when I tried to plot it on excel with those equation with the t ranging from 0 t o 9 0 min, the CP exceeds 1 0 0 mol / m 3 and the C S becomes a negative value which

6 What are the metallurgical factors that can be controlled to form a fine-grained metal. (4 marks)

A flue gas containing 4 mol% of SO2 is to be absorbed by two units of absorption tower in series. The total flowrate of the flue gas entering the first absorption tower is 60 kmol/h, whereas water as solvent is entering the first and second tower at 200 kmol/h and 150 kmol/h, respectively. Given the absorption efficiency for the first and second

perform DOF analysis on distillation column to separate benzene and toluene P=3barBenzene0.7513126.6CToluene0.2487 Benzene 0.9919 Totuene 0.0081 120.7C Toluene1.0153.7C

Predict the shape of the H 2 O compound based upon concepts of hybridisation. a ) Tetrahedral b ) Angular or bent structure c ) Trigonal Planar d ) Pyramidal

7 . _ _ _ _ _ _ _ is commonly used in liquid - expansion thermometers. a ) Bourdon tube b ) Spinning rotor gauge c ) McLeod gauge d ) Manometer

3. (15 points) Figure 2 shows a P-x diagram for the binary system of ethane and n-pentane at 300 K. a. (3 points) Is the critical temperature of pure ethane lower than 300K ? Explain why, or why not. b. (5 points) 12 gram of ethane is initially in a PVT cell at 300K and 1500kPa. Then, a certain amount of n-pentane is added to reach a bubble point

,

QUESTION 1 Answer BOTH parts ( a ) and ( b ) In Tutorial 2 Question 3 , a chemical absorption column was designed to absorb H 2 S ( reactant A ) using MEA ( reactant B ) . The mole ratios of A at the inlet and outlet of the column were 3 . 5 7 1 0 - 3 and 1 . 0 1 0 - 3 respectively while the concentration of MEA at the inlet was 2 5 0 m o l m 3 .

6 8 5 . .

L is the weight on dry basis which is 23.501 for hydrogen I can't find this value. please go step by step on calculations and conversions? does not equate to 39.3?

Two parallel reactions: A + B P ( main reaction, reaction rate constant k 1 ) A + B S ( side reaction, reaction rate constant k 2 ) r P = k 1 c A c B 0 . 3 r S = k 2 c A 0 . 5 c B 1 . 8 The following parameters are known: k 1 = k 2 = 1 ( a . u . ) ; c A 0 = c B 0 = 1 0 m o l L ; a PFR is used for the reaction; conversion of A is 9 0 % in the exit.

yea this is in turkish, please use translate it's easy to translate because its in engineering format

Please show the process to get to the given answer. Reaction of aluminum sulfate with alkalinity: Al2(SO4)314.3H2O+6HCO32Al(OH)33H2O+6CO2+8H2O+3SO42600g/mol366g/mol Reaction of aluminum sulfate with lime [Ca(OH)2] : Al2(SO4)314.3H2O+3Ca(OH)22Al(OH)3+3CaSO4+14.3H2O600g/mol222g/mol A water treatment facility handles a flowrate of 10mgd. If the alum

,

1. (25 pts) Please answer all of the following questions. Answer each briefly a. (4 pts) What is the physical meaning of Reynolds number? b. (6 pts) What is the microscopic (molecular level) origin of pressure and shear stress? c. (4 pts) After the pandemic is over, you are going to scuba diving in the Caribbean Sea. As you dive down further and

Problem 1 A new solid - fluid processing unit will be built as an extension to an existing refinery. It will produce 4 0 tons of product per day. Your company has data from a similar process that was built in 2 0 0 9 at another refinery. The following figure presents the equipment cost for such a unit in 2 0 0 9 . a ) Estimate the equipment cost

5 4 4 . Stainless steel is welded using Oxy - acetylene flame Oxy - hydrogen flame Arc welding Inert gas arc welding

The fluidized bed with a diameter of 0 . 5 m contains 4 2 0 k g solid particles. The average diameter, shape factor and the density of these solid particels were given as 0 . 2 m m , 0 . 8 1 , and 1 5 0 0 k g m 3 , respectively. In order to fluidize the system air at 2 5 C temperature and 1 atm pressure was used. If the fluidization length was

VALUE OF X = 11 2(a) A sphere of Xmm diameter contains an embedded electrical heater. Calculate the power required (in Watt) to maintain the surface temperature at 400K when the sphere is exposed to a quiescent medium at 300K in: (i) air. (9 marks) (ii) hydrogen. (9 marks) Note: Take the last two digits of your Student ID as X value. Example:

9 4 6 .

4 5 9 . Out of the following, the alloy which has equal percentage of constituents, is White metal Gun metal Duralumin Constantan

i need 1 7 . .

help An electron has an uncertainty in its position of 610pm. Part A What is the uncertainty in its velocity? Express your answer with the appropriate units. 3 Incorrect; Try Again; One attempt remaining Enter your answer using units of velocity

A 1 5 0 0 liter, stationary vessel initially contains 1 0 0 0 k g of pure liquid water at temperature T 1 . The top of the vessel is open to the atmosphere such that water can evaporate. At the end of a length of time, the vessel contains 7 5 0 k g of pure water at temperature T 1 . The pressure at the surface of the water is 1 atm throughout. You

1. Construct the x-y equilibrium diagrams for the three systems using the given values of relative volatility. 2. Show in the x-y plane the three equilibrium curves 3. From the visual appreciation on the diagram of the previous numeral, indicate what is the relative "ease" with which each binary mixture would be separated. \begin{tabular}{|c|c|}

Which of the following is the next step after water abstraction in waste water treatment? a ) Treatment b ) Supply to consumers c ) Supply to receiving body d ) Combine with stormwater

5 5 6 . Strain hardening effect in a metal subjected to cold working is due to the _ _ _ _ _ _ _ _ _ _ mechanism. Fracture Dislocation Slip Twinning

dont take from chatgpt I will give dislieks 3 4 1 . Question in Chemical Engineering

Give the formula for each of the following ionic compounds. a. potassium carbonate b. magnesium iodide c. copper(II) chloride d. iron(III) phosphate e. thallium(I) perchlorate (Enter unrounded answers.) 79Br 81Br % %

,

4 7 3 . Photographic plates are coated with Silver nitrate Silver halide Calcium silicate Metallic silver

please dont use chat gpt 2 4 . .

5 6 5 . Temper brittleness of a material can be fairly detected by the _ _ _ _ _ _ _ _ _ _ test. Fatigue Notched bar impact Tensile Hardness

0.1 (65 pts.) Experimental data for the gas-phase catalytic reaction A+BC are shown below. The limiting step in the reaction is known to be irreversible, 30 uat ine overall reaction is irreversible. The reaction was carried mit in a differential reacter to witich A,B, and C vare nil fert IS. P (b) From your observations in part (a), which species

(50 Marks\} Define Nusseit Number and explain its ugnificance in terms of the conduction and comvection modes of heat transfer- [Marks 10) During a cold winter nohh, a room is heated by initiatirg fire at the fireplace as shown in the figure. The fireplace is separated from the room air by the use of a glass screen of length (height) 70cm and

please try complete fast 3 5 7 . Question in Chemical Engineering

give in correct manners and guildliness 3 5 9 . Question in Chemical Engineering

help 3 and 4 *3. Tank contains 10kg water at 60C. if 7kg of water is liquid. What is the volume of the tank d. what is the specific volume of saturated vapor at 150C

Solve A,B and C (Only solution, No need for explanation) (a) Derive linear density expressions for FCC[100] and [111] directions in terms of the atomic radius R. Compute and compare linear density values for these same two directions for copper (Cu). The atomic radius for copper is 0.128nm. (b) Derive the planar density expression for the HCP

(10) 2.3. Assume that 93% (in 235U ) enriched U (HEU), from weapons dismantlement, is used to blend with depleted U containing 0.25%235U to produce 4.5% enriched fuel. Under these conditions how many kg of 4.5% enriched U can be made with 1kg of the HEU

can you answer part a , b , c , d , e

a ) Complete the reaction scheme shown below by providing the bond line structures of the missing compounds. Include stereochemical features where relevant. b ) Provide mechanisms for the formation of compounds C - G . Include stereochemical features where relevant. c ) Can compound G be formed by the reaction of compound E with cold, dilute,

Ethanol vapor is being absorbed from a mixture of alcohol vapour and water vapour by means of a non-volatile solvent in which alcohol is soluble but water is not. The temperature is 97 C, and the total pressure is 760 mm Hg. The alcohol vapour can be considered to be diffusing through a film of alcohol-water vapour mixture 0.1 mm thick. The mole

Determine the steady state response Xs(t) for a pure sine wave input y(t)=3sin(0,5t) having pure the following transfer function y(t)=y(s)x(s)=s(s+2)1, for =0,5rad/s Determine the steady state response Xs(t) for a pure sine wave input y(t)=3sin(0,5t) having pure sine wave input yor the following transfer function y(t)=y(s)x(s)=s(s+2)1,for=0,5rad/s

,

Question 2 Find the Major head loss in pipes with a length of 1 0 0 0 m , a diameter of 1 5 0 m m , The fluid flowing through the line has a flow rate of 0 . 2 5 m 3 s . The pipe has a relative roughness of 0 . 0 0 0 6 and the fluid has a viscosity and density of 0 . 0 0 0 8 9 1 P a . s and 1 0 0 0 k g m - 3 .

Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 1 1 1

i want to make sure if my answers ar correct? Methanol is synthesized from carbon monoxide and hydrogen in a catalytic reactor. The fresh feed to the process contains 32.0mol%CO,64.0mol%H2 and 4.00molN2. This stream is mixed with a recycle stream in a ratio of 13.00 mol recycle /1 mol fresh feed to produce the feed to the reactor, which contains

,

8 4 6 .

Please answer the following questions about these results 8. Please fill in the following Table by performing the appropriate calculations based on the information above. Please indicate the parameter units for each parameter in the far right column 9. What is the likely reason for the observed results of the study? In other words, what is the

1) The process used to ensure that the oil company accomplishes exploration emicimy a) Appraisal b) Gauging c) Relinquishment 2) The fiscal toolkits are: a) Common for all types of contracts b) Differ from contract type to another c) Are distinct in a particular type of contract 3) Service fees are: a) The compensation paid by a state to an IOC

Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 1 2 4

can you please show the working out, thank you 6) A mixture containing 45%w/w nitrogen, 45%w/w carbon dioxide and 10%w/w hydrogen passes at a rate of 20.5kmolh1 into a saturation chamber where it is sprayed with 5.9kmol1 of liquid water at 55C. If equilibrium is achieved in the chamber at 55C, none of the gases dissolves in the exit water and the

What are key features of well construction - measurement?

Question 2: An adiabatic cylinder which contains an adiabatic frictionless piston is connected to A steam pressure line. State 1: The volume under the piston is V1=0.1m3, there is vacuum pressure. At a certain moment the valve opens and steam enters the cylinder. After that the valve closes, at this state the mass in the cylinder is m=6kg,

(a) Make an event tree to map out and then compute the decision values for the following scenario and then (b) make a recommendation of the preferred solution. based on your results You are a company CEO deciding how to dispose of a drum of radioactive waste. Your options are to bury it in shallow trench on your property, leave it in your storage

Please explain in detail. Thanks Question: In a packed bed reactor, an isothermal catalytic gas-phase reaction is carried out. The conversion increased as the particle size of the catalyst was reduced. Provide an explanation for your observation. Aromatic +n-Paraffin =H2

12.24 Construct a free-body diagram of the system shown in Figure 12.29. The uniform beam has a weight of 85lbm. Determine the resultant reactions at the supports A and B. gL=32.174oft/s2

8 . Explain the scientific and operational challenges associated with scaling up coal gasification and liquefaction technologies from pilot plants to commercial - scale facilities. Discuss the factors that influence the commercial viability of these technologies, including market demand, regulatory environments, and technological advancements.

(a) Example 3-1. Make a plot of k versus T and lnk versus (1/T) for E=240kJ/mol and for E=60 kJ/mol. (1) Write a couple of sentences describing what you find. (2) Next, write a paragraph describing the activation, how it affects chemical reaction rates, and what its origins are. (b) Collision Theory-Professional Reference Shelf. Make an outline of

2. A spherical nuclear fuel pellet of radius 1cm produces heat as a result of radioactive decay. The pellet is covered by a spherical jacket with a thickness of 1cm and a thermal conductivity of 0.07W/m.K. At steady-state, the temperature on the surface of the jacket is 50C and the temperature on the surface of the pellet is 95C. (a) Determine an

The local waste management agency has proposed to set up a waste combustion facility next to the existing landfill to maximize the life span of the landfill. Given the following information, determine how much the life span of the landfill is increased by the combustion. (a) Composition of MSW as given in column 1 of Table 3-4. (b) Estimated

ISE,jan.2020 Problem 1: a) Apply the Redlich-Kwong equation of state (Eq. 11.7 in Fundamentals of Engineering Thermodynamics) and specific heat capacities for ideal gases, cp_0 (T), from Table A21 to express the changes in specific internal energy, specific enthalpy and specific entropy from one state ( T , v ) to another, when both states are in

I need answer and its explaination 4 3 2 Question in Chemical Engineering

help ! The equation of motion of a particle is s=t55t, where s is in meters and t is in seconds. Assuming that t0, answer the following questions. 1. Find the velocity v as a function of t. Answer: v(t)= 5 Theequationo f motiono faparticleiss =t55t, wheresi sin metersandti sinsec onds.Assu n 2. Find the acceleration a as a function of t. Answer:

,,,,

* * Chemical Engineering: Objective Type Question * * What are the principles of electrochemistry and how are they applied in energy storage and conversion devices? A ) By analyzing geological formations B ) Through studying fluid dynamics C ) By investigating chemical reactions involving electricity D ) Through examining atmospheric composition

give perfect structure and correct answers 4 6 0 . Question in Chemical Engineering

7 . 0 4 8 g 6 . 9 2 g 7 . 5 1 g Find the interger ratio average

The CO2 concentration profile in water during the absorption test exhibits a sigmoidal shape and could be fitted to the following equation: C(t)=1+becta where C : represents the CO2 concentration (gCO2/kgH2O). t : is the time (min). a : is the carrying capacity, or limiting value (gCO2/kgHH2O). b : is the initial concentration value (gCO2/kgHH2O).

. _ _ _ _ _ _ _ _ _ _ metal is used as a bearing liner material. Pewter White Babbitt Gun

The question is to estimate the modulus and the coeffecient of thermal expansion for the lennard jone potential energy function: U ( r ) = 4 epsilon [ ( o / r ) ^ 1 2 - ( o / r ) ^ 6 ]

Please Solve Part A 3-6. Fast Bimolecular Reaction Suppose that the irreversible reaction A+BC takes place at steady state in a liquid film of thickness L. As shown in Fig. P3-6, species A is supplied at x=0 and B at x=L. The volumetric rate of formation of C is given by RVC=kCACB, where k is the second-order homogeneous rate constant. (a) If the

,

Which of the following statements is true? a . The change in internal energy of an ideal gas can be calculated using the equation d U ? = C p d T , even if the pressure of the gas isn't constant. b . The change in enthalpy of a supercritical fluid can be calculated using the equation d H = C p d T , even if the pressure of the fluid isn't

a heated horizontal wall with 2.0 ft length and 3.0 ft width of an oven has the surface temperature of 500F. This surface is in contact with air at 100F. Calculate the heat-transfer coefficient for this wall. Use both general and simplified equations in English system.

answers have to be from the 4 options given this is a sample question like it Four tests will be investigated: Melting Point Analysis, Melting Point Range Analysis, Iron (III) Chloride Test, and TLC analysis. What 3 tests (the same test may be in both questions 4 and 5) will be performed to assure the synthesized crystals do not contain

,

A small industrial GT runs on a mixture of C H 4 and H 2 . The thermal output is 1 M W and the nominal operating condition is as follows: = 0 . 7 , volume ratio of H 2 and C H 4 5 0 : 5 0 . Calculate the air flowrate and the mass flow rates of C H 4 and H 2 . ( Note ) The lower heating value of C H 4 and H 2 is 5 0 and 1 1 9 . 9 M J k g ,

show all work please. 4. On the basis of their reactivity ratios (Table 65 below), predict what types of microstructures (e.g., tendency to alternating, tendency to blocky) you would expect in a free radical copolymerization of the following monomer pairs: (A) acrylamide and acrylonitrile (B) ethylene and methyl acrylate (C) 1,3-butadiene and

,

Using Carothers' Equation a . Given a reaction mixture of 5 0 mols of ethylene glycol, 5 0 mols terephthalic acid, and 1 . 5 mol benzoic acid ( a monofunctional impurity added to control molecular weight ) , what value of x N would be expected if complete conversion ) = ( 1 . 0 of the limiting reactant is achieved? b . Draw the monomers and

The below figure shows a polymer molecular weight distribution Based on the information given above, fill in the below table. b) Calculate the number average molecular weight. c) Calculate the weight average molecular weight. d) 10 molecules of an oligomer with MW = 1000 g/mol are now added to the mixture. Plot the molecular weight distribution

4 . 5 g , 0 . 1 g . ( 1 ) 1 ( ) 4 . 3 g ? ( ) ( 7 ) 0 . 9 7 7 Z ( 2 ) . CEO 1 4 . 5 g . 1 % ? ( ) ( 8 )

solve for all marked with x

The heat capacity of Accetone has the unit of Cal/(gmol)k and is given by the relation CP= 1.625 + 6.661x10^2. where T is expressed in Kelvin. Modify the unit Express have the following: a) BTU/(Ibmol)R b) Cal/(gmol)C c) Cal/(g)C d) KJ/(kmol)k

In the example below, the company decides to install some measures to reduce benzene pollution to the atmosphere. This includes piping the vent gases through a secondary condenser cooled with chilled water and operating at 8 \ deg C . How much benzene would be collected at the condenser ( kg / year ) ? The remaining vent gases are sent to a carbon

491 A large cast iron container (k = 52 W/mK and = 1.70 105 m2 /s) with 4-cm-thick walls is initially at a uniform temperature of 0C and is filled with ice at 0C. Now the outer surfaces of the container are exposed to hot water at 55C with a very large heat transfer coefficient. Determine how long it will be before the ice inside the container

User Dise ar un reactor continuo ( PFR ) para la producci n de etileno a partir de craqueo t rmico de etano, considerando una serie de reacciones en serie - paralelo para encontrar el volumen y condiciones de operaci n adecuadas para lograr una conversi n solicitada. Las reacciones qu micas involucradas en este proceso, as como la informaci n

Find all symmetry operations, which do not change a pentagon and write down a matrix for each. You may only rotate the pentagon but not reflect it on a mirror plane! Thank you for your help :)

The liquid phase reversible reaction A B is carried out in an isothermal CSTR operating under steady state conditions. The inlet stream does not contain B and the concentration of A in the inlet stream is 10 mol/lit. The concentrations of A at the reactor exit, for residence times of 1 s and 5s are 8 mol/lit and 5 mol/lit, respectively. Assume the

PR . 3 ( 3 0 P ) Ba lang ta 4 5 0 C s cakl kta olan 8 c m kal nl ndaki metal blok aniden 3 5 0 C s cakl kta bir ortama al nm t r . Y zeylerde film katsay s 1 2 0 0 W m 2 0 C oldu una g re , F o > 0 . 2 varsayarak, a ) Plaka eksen s cakl n n 3 5 5 C ' ye d mesi i in ge en s reyi , b ) Bu s re sonunda plakan n y zeyindeki s cakl 1 , c ) Bu s re

A reaction is taking place from A to B . The same reaction is occurring at different temperatures: one is 400K and another is 500K. When the reaction is occurring at 500 K THE rate of reaction is 10 times the rate of reaction when it occurs at 400K. Find the value of activation energy by using arrhenius theory.

Two parallel reactions: A + B P ( main reaction, reaction rate constant k 1 ) A + B S ( side reaction, reaction rate constant k 2 ) r P = k 1 c A c B 0 . 3 r S = k 2 c A 0 . 5 c B 1 . 8 The following parameters are known: k 1 = k 2 = 1 ( a . u . ) ; c A 0 = c B 0 = 1 0 m o l L ; a PFR is used for the reaction; conversion of A is 9 0 % in the exit.

Steel swords are made by heating metal, moulding it, and then plunging it into water in a process known as quenching. This quenching fluid tends to be oil as quenching in water can cause cracks. If you were making a sword and the steel blade was 1.2 kg and at 1200C when it comes out of the forge, and you plunged it in a 50L tank of oil (at 22C) to

Your task as Catalytic Chemical Reactor Answer: D A d 2 C A d z 2 - k C A n = 0 bed reactor packed with the in a chemical company is to model a fixed shape. The catalyst is specific for the remoyaletary catalyst of spherical concentration in air, and the information provided from the very low concentration. The reaction is first order with respect

( Welty 2 7 . 2 1 ) Consider a rectangular - shaped gel tablet of thickness 0 . 6 5 2 c m , width of 1 . 0 c m and depth of 1 . 0 loaded with the drug Dramamine. The edges of the gel tablet are sealed so that diffusion of Dramamine occurs only along the thickness of the gel tablet. The initial concentration of the drug Dramamine ( solute A ) in

Rank the following compounds in order of increasing vapor pressure at 298 K: (Where the molecule with the lowest VP is ranked \#1 and the molecule with the highest VP is ranked \#4) CH3CH2CH3CH4CH3OCH3CH3CH2OH

For a stirred tank heating process ( constant hold up ) consider unit step, ramp and impulse inputs and identify the response of the output control variable in time domain

what would the color of the crystal violet be if it contains an excess of base?

How did you get 39.3 MMBTU/1000KG? How did you get 23.501?

P13.19 Is the function 2x21 an eigenfunction of the operator (3/2x2)(d2/dx2)+2x(d/dx) ? If so, what is the eigenvalue

Problem 1 . You juat got a new position at a company called SemiSensing, where you are now a junior engineer in the chemical vapor depoaition / epitaxy division. Because you have a degree in Chemical Engineering from UCR, they are going to ask you to modify the setup within the first six months with the possibility of promotion when the division

A pump needs be sized to drive water flow from a storage tank to an absorption unit. There is a closed cylindrical water storage tank with a diameter of 1 0 0 ft , a water height of at least 1 0 ft , and an internal pressure of 1 psig. The water tank is on the ground and will be used to provide a constant 2 . 2 2 8 ft 3 / s flow through an

In Details, state the effect of molecular weight change on the relaxation time of relaxations process of polypropylene glycol in the dielectric spectroscopy experiment.show that the role of change of the molecular weight on the relaxation processes of polypropylene glycol