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Chemical Engineering Questions and Answers November 12, 2019

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The isomerization of n - pentane was considered in the text, where several rate expressions were stated. Derive the final result for desorption of isopentene controlling: A D H B A D p K K K p K p p K K kK r ) 1 ( ) / ( 6 5 2 6 5

A compound was insoluble in water, 5 % sodium hydroxide solution, and 5 % hydrochloric acid solution but soluble in 9 6 % sulfuric acid solution. It did not react with 2 , 4 - dinitrophenylhydrazine, acetyl chloride, or potassium thiocyanate. It reacted with bromine and potassium permanganate. The IR , ? 1 H N N R , ? 1 3 C NMR , DEPT, and HETCOR
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I need help with these Compare and contrast at least 3 different vendors for equipment in the Semiconductor processing industry. Submit a written response that shows an in-depth research of the equipment used for a given process that you select. (ie... wafer fab, wafer test, packaging, oxidation, deposition...)

I need help with this problem. Use Darcy's Law to derive an equation for the volumetric flow rate ( Q v ) through a porous sphere. The sphere has a radius R e and a hollow core with radius R i . A cross - section of the sphere is provided below. Assume that the pressure inside the sphere ( P i ) is greater than the pressure outside the sphere ( P
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What is the partial pressure of 1200 ppm carbon dioxide at normal conditions

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Please don't use other Chegg answers and solve with all answered parts and equations in detail Prior to the combustion of coal, it is dried to remove moisture. The moisture content in coal varies widely. For this problem consider a coal that contains 20 wt\% moisture. A dryer is to be designed to dry the 1 tonne of dry coal per hour. In order to
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Please make it fast 4 1 1 . HAZOP

3. Logistic Curve II. The logistic function y=1+eb+cxa+d takes into account offsets on the x-axis and the y-axis. Using the data in Table 14-3, determine the constants a,b,c and d using the Solver. Table 14-3. Data for logistic equation
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PLEASE answer correctly. Piston P is moving upward with a velocity of vP=210in./s. (Figure 1 ) Determine the velocity of the center of gravity G of the connecting rod at the instant =242. Enter the x and y components of the velocity in inches per second to three significant figures separated by a comma
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Deconvolution of a Spectrum I. Use the data in Table 14-6 (also found on the CD in the worksheet "Deconvolution I") to deconvolute the spectrum. Close examination of the spectrum will reveal that it consists of four bands. Use a Gaussian band shape, i.e., Acalc=Amaxexp(s2(x)2) where Acalc is the calculated absorbance at a given wavelength, Amax is
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8 4 . Air refrigeration cycle is used in the air crafts, because of A . Low temperature encountered at high altitude B . Its high heat transfer rate C . Its low unit weight per ton of refrigeration D . Its higher co - efficient of performance ( COP )

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pls solve all parts thanks Given background info below to solve question: Concerning the finite barrier problem, let's think about what happens when a particle hits a barrier (region II) with the same amount of energy as the potential, i.e. E=V. Free wavefunctions in the presence of a flat potential are the solution to: H=2mh2x22(x)+V(x)=E(x)
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A tray tower is to be designed to absorb SO2 from an air stream by using water at 303 K and 1.5atm. The flow rate of the total gas mixture is 10kgmol/h.m2. It contains 18 mol%SO2. The entering liquid is recycled water contains 0.02mol%SO2. It is desired to remove 85% of the SO2 from the gas mixture. 1. Determine the minimum solvent required
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Use the References to access ingortant values if needed for this question. A sample of hydrogen gas has a density of g/L at a pressure of 1.08 atm and a temperature of 48C. Assume ideal behavior. B more grou stimpts renaling
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The isomerization of n - pentane was considered in the text, where several rate expressions were stated. Derive the final result for desorption of isopentene controlling: A D H B A D p K K K p K p p K K kK r ) 1 ( ) / ( 6 5 2 6 5

4. Consider an interface deformed in simple shear with a velocity gradient of L=00000000. The initial interface has an area of A0 and a unit normal of n^0=n01n02n03. Write the interfacial "You can slide the homework under the door of the instructor's office if the instructor is not in his office. area A as a function of time t in terms of the
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Please reply with the details of the problem. Prior to liquefaction, air is dried by contacting it with dry silica gel adsorbent. The air entering the dryer with 0.003 kg water/kg dry air must be dried to a minimum water content of 0.0005 kg/kg dry air. Using the equilibrium data below, calculate the kg gel per kg dry air required for the
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Problem 4 A particular drug is a solid at 300K and is soluble in water. The equilibrium solubility of the drug is 0.005g/cm3, density 1.05g/cm3, and the total weight of the drug is 100g. The drug is gently mixed and stirred in a 100L of water. After 10 min of mixing estimate the amount of the drug that is dissolved. Km of the drug is 5.34105cm/sec
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The installation depicted in the following figure corresponds to a line of water pipe from tank A to the point of use in B. Water consumption is 4 m3/h at 20 C. Determine the level of water to be maintained in the tank measured on the bottom of it, to achieve the desired flow.
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please make your writing easy to read, and make the picture clear. there is a solution of this queation on chegg, please dont copy because its not clear for me Q1) A feed mixture contains four components Benzene, Toluene, Xylene and Cumene. The feed rate is 200kmol/h. The feed is at the bubbling point at 113C and an atmospheric pressure. It is
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P10-4 B Consider the catalytic reaction as a function of the initial partial pressures 2AB+C The rate of disappearance of species A was obtained in a differential reactor and is shown below. (a) What species are on the surface? (b) What does Figure B tell you about the reversibility and what's adsorbed on the surface? (c) Derive the rate law and
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Which of the following has the largest standard molar entropy, S ( 2 9 8 . 1 5 K ) ? C 3 H 3 ( g ) NaCl ( a q ) H g ( l ) NaCl ( s ) H e ( g )
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Questions: 1 . Using the Euler method, create a code to model the trajectory of a projectile with a known initial position, speed, and angle of inclination to the horizontal, \ theta . Extra marks will be awarded for: ( a ) The quality, conciseness and readability of your code. ( b ) The flexibility of your code ( i . e . how easy is it to change

is 4 to 1 9 7 ) . If a helium nucleus scatters to an angle of 1 2 6 during an elastic collision with a gold nucleus, calculate the helium nucleus's final speed. 1 . 4 6 1 0 7 m s iCorrecto! Su recibo es Tonterion Anterion Calculate the mannitude of final velocity of the gold nucleus. Enviar Respuesta Tries 5 5 / 9 9 Intentos Anteriores Calculate
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Question: The molecular formula of this unknown compound is C11H14O. a) Assign all absorption peaks based on the IR spectrum given. b) Assign all signals in the 1H NMR spectrum to its respective hydrogen atoms. c) Draw the structure of the unknown compound and its IUPAC name. *Justify and provide explanation. nlnmNmmmm \begin{tabular}{cll} Normal
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Provide a one-sentence intuitive definition of heat capacity (the way you understand it). Briefly explain what the ratio CV /R depends on for gases (from microscopic point of view of gas).

Kuru madde i eri i a rl k a % 1 1 olan 2 9 1 K 'deki portakal suyu, 4 3 0 0 k g s aat debi ile tek tesirli bir evaporat rde konsantre edilecektir. Evaporat r i erisinde kaynama 3 5 8 K olacak ekilde sisteme vakum uygulanmaktad r . Is tma ortam olarak kullan lan doymu su buhar 2 3 2 . 1 kPa mutlak bas n ta olup, konsantre r n n kat madde i eri i a
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Q1 Consider the following dynamics y( z ) = z / (z - 1) u( z ) where y and u denote the output and input of the system, respectively. For a unit step change introduced in the input at t = 0, what are the output responses obtained up to the fourth sampling time?

conversion of waste paper into activated carbon to treat water literature review

A gas at 350 K and 12 atm has a molar volume 12 percent smaller than that calculated from the perfect gas law. Calculate (i) the compression factor under these conditions and (ii) the molar volume of the gas.

A. Give an example of a situation where the entropy of a system is decreased and heat is involved. B. Give an example of a situation where the entropy of a system is increased and heat is involved. C. Give an example of a situation where the entropy of a closed system (no heat or work) is increased

n-butanol has been found to form a monolayer at 25C. The length of n butanol has been determined experimentally to be 6.94A A. Calculate the experimentally determined Avogadro's number divided by 1023(NA/1023). (Round your answer to the second decimal place.)
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The following information applies to questions 2 1 - 2 8 . Potable water is to be produced at a rate of 4 8 , 0 0 0 m 3 d from the brackish groundwater containing 1 0 , 0 0 0 m g L of total dissolved solids ( TDS ) . For calculation purposes, the TDS can be assumed to be NaCl ( molar mass 5 8 . 4 g m o l ) . The selected membrane can achieve a
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Water flows turbulently from a smooth pipe with an inner diameter of 150mm in the experimental setup. (=1000kg/m3 , =1.002 Ns/m2) The speed of the water is reduced by closing the valve at the end of the pipe. Below what linear velocity value does the water begin to flow in a laminar pattern?

prove that 2+2 is 3

Question 4 . 1 6 of the textbook. 4 . 1 6 . Consider the following chain - reaction mechanism for the high - temperature formation of nitric oxide, i . e . , the Zeldovich mechanism: O + N 2 - > NO + N ( 2 a ) N + O 2 - > NO + O ( 2 b ) The reaction rates of Eqs. ( 2 a ) and ( 2 b ) are k 1 f and k 2 f , respectively. A . Write out expressions for

4 . 6 4 . The gas - phase reaction between methanol and acetic acid to form methyl acetate and water C H 3 O H + C H 3 C O O H C H 3 C O O C H 3 + H 2 O ( A ) ( B ) ( C ) ( D ) takes place in a batch reactor. When the reaction mixture comes to equilibrium, the mole fractions of the four reactive species are related by the reaction equilibrium
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Peas are being frozen in an air-blast freezer. The initial product temperature is 10C and the cold air -40C. The pea has a 7-cm diameter with density of 1000 kg/m3 , the initial freezing temperature is -1.25C, the thermal conductivity of the frozen pea is 1.2 W/(m K), and the latent heat of fusion is 250 kJ/kg. The convective heat transfer

Prepare, in the form of a flowsheet, an outline showing the sequence of steps in the complete de . t for producing formaldehyde. A detailed analysis of the points to be co 1 4 2 of 1 0 0 6 should be included. The outline should take the project from the initia tere the plant is in efficient operation. A process for making a single product involves
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A steam turbine operates adiabatically with steam entering the turbine at 3650 KPa and 600C and exits as saturated vapor at 10 KPa. Determine the turbine efficiency. answer should be 0.8238

The surface area and volume of a solid particle are at 2 . 5 1 0 - 7 m 2 and 5 . 0 1 0 - 1 2 m 3 respectively. Density of the solid is 1 2 0 0 k g m 3 . Calculate: a . The sphericity of the particle Ans: 0 . 5 7 say at 0 . 6 ( to use the chart ) b . The equivalent volume diameter of the particle Ans: 2 . 1 2 1 0 - 4 m C . The terminal velocity of
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Written Problem The Carnot cycle is an idealization that involves four processes as shown ( see also Figure 6 - 3 7 in textbook ) . As each of the processes is reversible, the entire cycle is also reversible. ( 1 ) ( 2 ) : Isothermal expansion at T = T H ( 2 ) ( 3 ) : Adiabatic expansion ( no heat transfer ) ( 3 ) ( 4 ) : Isothermal compression at
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A solution that is 0.18M in Na2CO3 is also (Choose all that apply.) a) 0.18M in CO32 b) 0.18M in Na+ c) 0.09M in Na+ d) 0.09M in CO32 e) 0.36M in Na+
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4 . 1 0 . - A stream of 2 2 3 kmol / h composed of 4 4 % cyclohexanone, 2 3 % cyclohexanol and 3 3 % phenol must be fractionated into a distillate product containing 9 9 % of the cyclohexanone fed and into a bottom product containing 9 9 % of the cyclohexanol fed. A column with a total condenser and a partial reboiler will be used. a ) Select the

% 1 tuz zeltisi i eren bir kar m % 1 . 5 olacak ekilde deri iklendirilecektir . Tek kademeli, s rekli al an bir buharla t r c kullan lacak olup, besleme 9 0 7 2 kg / h ve 3 1 1 K dir . Buharla t r c 1 0 1 . 4 kPa bas n tad r . Is de i tirici U = 1 7 0 4 W / m 2 K ve kullan lan istimin bas nc 1 4 3 . 3 kPa d r . Seyreltik bir zelti oldu u i in ,

Determina la velocidad m xima de un aceite, con viscosidad 0 . 0 6 kg / ms , que fluye sobre un plano inclinado. Considera que el espesor del aceite sobre la placa es constante e igual a 1 cm y que los ngulos de inclinaci n de la placa son: 0 , \ pi / 6 , \ pi / 4 , \ pi / 2 , \ pi , 3 \ pi / 2 Cu ndo fluye m s r pido el fluido? Comenta por qu .

Q 4 . Particle size function The measurement of fog in an airport shows that the droplet size distribution of the fog may be represented by the equations: 5 0 x 1 5 m , N 0 ( x ) = 0 . 8 3 + 0 . 0 4 3 l n ( x ) 1 5 x 4 m , N 0 ( x ) = 0 . 3 0 + 0 . 2 3 9 l n ( x ) 4 x 0 . 5 m , N 0 ( x ) = 0 . 2 1 + 0 . 3 0 4 l n ( x ) N 0 ( x ) is the cumulative
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Q5. Water is pumped at a constant volume flow rate of 9 m3 /h from a large reservoir resting on the floor to the 5m above discharge tower. The friction losses in the 50-mm pipe from the reservoir to the tower is 2.5 J/kg. At what height in the reservoir must the water level be kept if the pump can deliver only 40.08 J/kg? (Considering alpha
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Convert (6.31102) meters to millimeters. Make sure you do not change the number of significant figures in the problem. Metric conversions are exact. If you start with 2 you end with 2. If you start with 3 you end with 3. Note: Your answer is assumed to be reduced to the highest power possible. Your
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Determine the Period/Energy level and the block (s,p,d,f) the following image is describing
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A pump brings in 15.9 kg/s of liquid water feed at 1.51 bar and 50 o C. The exit pressure from this pump is 9.02 bar. The pump (being real, not reversible) has an isentropic efficiency of 84%. What is the actual work input (in kW) required to run this pump, assuming the specific volume of the water remains constant at 0.001012 m 3 /kg? Give your

Grand Coulee Dam e) Stack gas losses; f) The rate of heat rejection at the condenser.

Select the correct equilibrium expression for the reaction H+(aq)+OH(aq)H2O(l) a) Kc=[H+][OH][H2O] b) Kc=[H2O][H+][OH] c) Kc=[H+][OH] d) Kc=[H+][OH]1 e) Ks=[H+][OH][H2O]
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Cooling Air is flowing parallel with a velocity of 12.2 m/s at a pressure of 1 atm and a temperature of 15.6 to a smooth, flat, thin fin of copper extending out from a tube is 51 mm by 51 mm square. The temperature of the copper fin is approximately uniform at 82.2. (a) For laminar flow, calculate the heat-transfer coefficient, h; (b) If the

The net energy ratio for corn ethanol is 0.8-1.5. What it tells if the ratio is 0.8? Which processes will need energy input?

PLEASE CAN YOU ANSWER BOTH QUESTIONS STEP - BY - STEP WITH CLEAR REASONS OF WHAT YOU VE DONE. IM STRUGGLING WITH THESE TWO QUESTIONS. I BELIEVE THE TWO QUESTIONS ARE LINKED. A fuel gas consists of 7 5 % butane ( C 4 H 1 0 ) , 1 0 % propane ( C 3 H 8 ) and 1 5 % butene ( C 4 H 8 ) by volume. It is to be fed to the combustion chamber in 1 0 % excess

Compute the final temperature when filling an empty tank with air at 10 bar and 300K. k=1.4

For the following cases, determine whether it is a RCRA hazardous waste. If it is a listed waste, provide the waste number. If it is not, state why. a) 2 drums of endrin needs to be disposed of because it is off-specification and out of date. b) 300 kg/month of spent cyanide bath plating solutions from electroplating operation. c) Drilling fluid

Online activity 1 Find the diffusion coefficient of Oxygen, Carbon and Hydrogen in water at 37C using Wilke-Chang equation
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3. (10 pts): Please explain the normal operating condition of pressure (P),1 bar
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The over-all efficiency of a 10 MW hydro-electric plant is 85%. What is the secondary power could this plant deliver if the actual power received by the customer for that day is 100,000 kW-hr?

3. (25%) Derive the rate law using only [A] and [B] for AB on the basis of proposed mechanism (I) and (II) as follows using PSSA. (I) AkAkAB+C and (II) A+CkB2B
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How does increased temperature affect the stress-strain curve of Poly(methyl methacrylate) PMMA?

carbon dioxide in the flue gas Orsat analysis? Type your answer as a mole fraction, 4 decimal places
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Q 5 . A blanching operation In a frozen food production, carrots are to be blanched before the quick - freezing operation. The diced carrots are continuously fed to a water blancher, which includes hot water. The carrots exit the system as blanched. With carrots some amount of hot water leaves the system continuously. It is important to keep the
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Assume that a substance is going through diffusion in a long cylindrical tube with radius 2.0mm. What is the diffusion coefficient if the substance is moving at 0.025*10^-9 mol per second at plane of concentration gradient 5.0M/m?

1.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

Give me proper answer of that question, with all step Question 1 [ 5 0 marks ] A tray distillation column is used to separate a multicomponent mixture of propane, n - butane, n - pentane, and n - hexane. Vapor leaving the first tray ( uppermost tray ) is then fed to a partial condenser which operates at 3 . 0 7 bara. The distillate composition is
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A 300 gram-cattle sample is oven dried for 24 hours at105C. After oven drying, the sample weighs 200 grams. The dried sample is then heated at 600C. After this heating, 75 grams of sample remain. Carbon-nitrogen ratio of manure sample is 15:1. Calculate the following: a) %MCdb, b) %TSdb, c) %VSdb d) %FSdb, e) % db Nitrogen content

Given Rittinger's coefficent of 0.300 and a 12-hp motor used to mill a grain from an average particle size of 0.5 mm, find the average particle size after milling. Please show work!

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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A second order irreversible gas solid catalytic reaction 2 A R is carried out isothermally in a packed bed reactor of height 3 m and diameter 0 . 3 m . The packed bed reactor can be treated as a CSTR . The reactor is filled with porous, 5 0 m m diameter spherical catalyst pellets to give a bed voidage of 4 6 % . In two trial runs, at the same
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why engineering communication skills are important to you?

explain what improvemenst could be made to help reduce the risk of a pressure system failure

Write necessary and sufficient condition for a single variable NLP

6.33 The cross section shown in Figure P6.33 has a uniform thickness t. Assuming t
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(i) Calculate the molar volume of chlorine gas based on the van der Waals equation of state at 250 K and 150 kPa. The van der Waals coefficients of chlorine: a = 6.260 dm6 atm mol-2, b = 5.42 10-2 dm3 mol-1. (ii) Calculate the percentage difference of the volumes of the van der Waals gas and the perfect gas.

1). What is the main difference between Natural Size Distribution and Long Range Product? 2). What is meant by Coarse Fraction? 3). What are Fines?

As indicated in the figure below, oxygen diffuses to a hot carbon surface, on which the following reaction occurs: 3 C + 2 O 2 2 CO + CO 2 Let Do be the diffusivity of O 2 in the gas mixture. Derive the profile of oxygen mole fraction ( x ) in the direction normal to the surface. Assume, as one boundary condition, that the oxygen mole fraction is
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What are the possible wastes from the Monoclonal Antibody Production? Please provide answer and explanation for each wastes in detail. Provide also the references.

Note that SVP is the saturated vapor pressure ( m m H g ) , T is the temperature ( K ) and 1 bara = 7 5 0 . 0 6 2 m m H g . please use the following constants for Antoine equations: l n S V P = Ant A - A n t B T + A n t C svp - saturated vapour pressure ( in mmHg ) , T is temperature in K and 1 bara = 7 5 0 . 0 6 2 mmHg \ table [ [ Component , Ant

Find all for these questions Air Flow Area ( ft 2 ) Wetted Perimeter ( ft ) Hydraulic Radius ( ft ) Reynolds Number \ epsi ( ft ) " D / \ epsi " Friction Factor Friction Head ( ft )
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A 2.4 L at Arsine gas at 20 C in a cylinder weights 454 g. use RK equation to estimate the gas pressure.

Liquid phase reaction X + Y > Z r = kC X C Y In a CSTR containing large excess of Y. The reactor, volume V R , achieves a conversion of 60% at SS. a. What is the steady state conversion if the original reactor is replaced by two CSTRs, each with a volume of V R /2 placed in series? b. What is the steady-state conversion if the original reactor is

Draw the skeletal ( " line " ) structure amide with 4 carbon atoms

Don,t answer. Skip. I will dislike. No AI
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2. What temperatures are reached in an ICP? 3. What is the most commorftype of flame used in AAS
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4 . 6 4 . The gas - phase reaction between methanol and acetic acid to form methyl acetate and water C H 3 O H + C H 3 C O O H C H 3 C O O C H 3 + H 2 O ( A ) ( B ) ( C ) ( D ) takes place in a batch reactor. When the reaction mixture comes to equilibrium, the mole fractions of the four reactive species are related by the reaction equilibrium
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III. 7 Develop the linearized models for the following processes. ( a ) Packed absorption column with N ideal plates. The mass balance of component i at the n th ideal plate is given by H d x n d t = L x n + 1 - ( L + m V ) x n + m V x n - 1 where H = holdup of liquid solvent at the n th plate L = flow rate of the liquid solvent V = flow rate of
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i need correct answrrs 1 1 2 . .

MATO99-Q1-1.1&1.2 - SS2 S23 X-DUT-MAT099-2199/MATO99-Q1-1.1&1.2%20-%20SS2%20S23.1 MAT099-calendar-SS2 - S23.p BUS107 D2L MATH W WileyPLUS M Connect for BUS107 Lur 2/2 | |- 1 121% + A + ch of the following algebraically. Show ALL detailed step kact solution(s), if one exists. A) 7+ 10w-4 = 7w +39 - 3w

A mixture of gases contains 2.0 g of hydrogen gas and 2.0 g of helium gas. If the total pressure of the gas mixture is 943 mmHg. The partial pressure of hydrogen in the mixture is _______ mmHg. Round your answer to the nearest whole number.

2. A fluid is located in the annular region between two coaxial cylinders. The outer cylinder is rotating with a constant angular velocity. Using the continuity equation to determine what the velocity is a function of, calculate the following in cylindrical coordinates. a. The velocity gradient, L b. The rate of strain tensor, D c. The spin
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4 75 4 points Identify at least 2 categories of people and one entity who do not have the capacity to enter into a contract, and explain why one of them does not have the capacity to enter into a contract G For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial v V 10pt !!! !!! V AV 4 16 v I X Q 6 Save

Consider the following chain-reaction mechanism for the high-temperature formation of nitric oxide, i.e., the Zeldovich mechanism: O+N2k1fNO+NReaction1N+O2k2yNO+OReaction2 A. Write out expressions for d[NO]/dt and d[N]/dt. B. Assuming N atoms exist in steady state and that the concentrations of O,O2, and N2 are at their equilibrium values for a
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If you have an organic base and treat the base with HCl, the base will become more soluble in Pick the best answer Pentane Diethyl ether: CH3CH2OCH2CH3 Water/dilute acid Toluene
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A) Using flowrate and fluid properties, you can calculate Reynolds number in a pipe, and from that you can obtain the Fanning friction factor for calculating pressure drop. Write equations and describe briefly how you can then calculate a convective mass-transfer coefficient c for mass transfer to the wall. B) Suppose you have a convective

Okay Mass transfer problem how to find Diffusivity Coefficient. Ans must be in M^2/s and I need the formulas not just the solutions please explain thoroughly. DAB0=vA0.61.1731016(MB)1/2T Here DAB0 is the diffusivity of the solute A in solvent B in m2/s; the superscript ' 0 ' refers to an infinitely dilute solution. The different quantities
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