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Chemical-Engineering Questions
Q5. Propane is compressed irreversibly from 5 bar and 323 K to 15 bar and 343 K by an adiabatic, steady-state compre...
Question 1: Design of isothermal reactors 30 Marks The irreversible, gas-phase reaction A+B D is to be carried out...
If the pH is 7.1 and the pE is 5.6, what will be the ratio of [NH4 + ] to [NO2 - ]? If the pH if 8.0, at what pE value w...
. If the pH is 7.1 and the pE is 5.6, what will be the ratio of [NH4 + ] to [NO2 - ]? d. If the pH if 8.0, at what pE va...
Determine the activation overpotential due to a cathode reaction at 750C and a current density of 0.8 A/cm2. The exchan...
Determine the pH during the titration of 31.1 mL of 0.259 M diethylamine ((C2H>NH, K,-6.9x10') by 0.259 M HI at...
P5.6 At which temperature 3%) of diatomic nitrogen (N) will dissociate into monatomic nitrogen( at 2 atm? Show tran...
1) You are in charge of a remediation strategy that requires aerobic, microbial respiration to degrade the compound eth...
QUESTION 1 Liquid /vapor saturation pressure P is sometimes represented as a function in logarithm as below log,o P...
Could you please help me with 1) and 3)! A 25.0 mL sample of an unknown acid in water is titrated with 0.1 MNaOH (aq) an...
In our class demo on polyurethane, I combined toluene diisocyanate and glycerol (see structures below), which undergo a...
Practical tasks 21 2.0 What metal would be an anode in the galvanic cell where lead is a cathode? Let us take solut...
7. Determine the relationship between the pair of structures shown Place "X in appropriate CH3 b. CH3 Br Br CI...
please give me these 3 answers? 1. For the reaction N ,O(g) ->2 N (g) + O (g), which of the following exponents would...
3. Wilkinson developed two catalysts, RhCl(PPh3)3 and RhH(CO)(PPh3)3. Which would you choose to catalyze the isomerizati...
6. (6 pts.) The following is a schematic representation of the molecules for forming a solution of the solid benzopheno...
answers are a)2.83V b)17.0V c)2.71V D) 16h 4) A battery is constructed based on Cu/Cu2 and Mg/Mg2 half cells. The in...
Question 2 Salicylic acid, HC,H,0, is a chemical compound used in many facial cleansing products. Figure 2. Stru...
Problem 3 G1-1.665 kmol/h of a binary gas mixture containing ammonia (vi-35%, molar basis) and air enter an absorpt...
Ca(OH)2 is added to water to reach a concentration of 53 mg/L. Initially, the water had 3.09 mg/L of Mg2+ and it reacts...
1. A certain first order reaction has a rate constant of 0.036 min-1. How much of the reactant will remain if the reacti...
consider temperature soundings - ground lever, 21C;500m, 20C; 600m, 19C;1000m. If an air parcel is released at 600m does...
QUESTION 2 The system shown below is a fermentation tank. In this, water (with dissolved glucose) enters the tank with...
Consider a process with transfer function 3e-2s (0.5s - 1) Gp($) = (10s + 1)(5s +1)(2S + 1) Find an approximate model...
If you have 1.40 M solution of KMNO4, what is the volume should be taken to prepare 15.00 mL of 0.600M KMnO4 s...
Can someone explain how to solve for these variables in the equations? Balance reaction (1) by creating a system of li...
For laminar flow through a circular pipe, the value of the kinetic energy correction factor for Bernoulli’s equation is...
Please help by doing a step by step solution neatly with explanation :) 8 The feed to a fractionating column operati...
Question 6 Consider the transformation of isopropylbenzene (A) in the presence of hydrochloric acid in isopropyl-sec...
Balance the following half reactions and combine into a full reaction for each one, and then provide the molar ratio H...
12.12.1 Growth and Nucleation Rate in MSMPR Crystallizer. Experimental data were obtained for and MSMPR crystallizer (S2...
, e th the reactor? 310 Ibm? 800 Ib,m. What if To 100°F? 500°F? The first-order irreversitte reacti A)B(g) + C(8) i...
NOx and O3 A city struggling with ozone pollution takes measures to reduce local NOx emissions by 10%. However, they are...
4a)For the gas-phase reaction C H, isothermally in a CiH, → Collio or konstant-volume batch reactorl what sho...
For this problem, you are separating ethanol (more volatile) from water in three flash separators. The feed solution con...
Name: ID: 2. The activated sludge process can be used to remove organic carbon (BOD) and nitrogen species (ammonia,...
high molecular weight hydrocarbon gas A is fed continuously to a heated high temperature mixed flow reactor where...
4. Calculate the pH of your sarhple at several points during the titration. In each case, record your calcula...
1. Make a table. Lay the 100 pennies with heads facing up in the bottom of the box. In the first table row (Trial #1),...
lup)-- CI+) + I-)) I. The spin state: is an eigenvector of one of the ½ spin operators. A) Determine the operator (one...
6. Which of the following oxide materials when added to fused silica (high purity amorphous SiO2) will increase its ind...
This calculation has a number of steps. Only the final value is input for assessment. For GC analysis, your sample solution is madeup by mixing 2.00 mL of water with 50.0 µL of your unknown and 3...
Can you guys help me to figure out what this is. The melting point range is 134.8-137.2 Celsius degree. % 60 8 8 8 8 8 8 2 Mon May 06 19 0503 2019 (GMT-07:00) FIND PEAKS: Mon May 08 19 04 28 2019...
The production of methyl bromide is an irreversible liquid-phase reaction that follows an elementary rate law. The reaction CNBr (A) + CH3NH2 (B)àCH3Br (C) + NCNH2 (D) is carried out isothermally in...
how to show that? plz explain detail 5. In this problem, we will demonstrate that entropy always increases when there is a materal flow from a region of higher concentration to one of lower concen...
A bituminous coal is burned with air in a boiler furnace. The coal is fed at a rate of 40000 kg/h and has an ultimate analysis of 76wt% C, 5wt% H, 8wt% O, negligible amounts of N and S, and 11wt% non-...
mpus, TDS, ISS. 031 Size reduction 1-What are the difference between jaw crusher and ball mill? 2-give three examples for application of crushing processes 3-what is the meaning of undersize percenta...
11. A viscous liquid (p48 Pa.s, p-920 kg/m) lows through the annular space between two horizontal, fixed, concentric cylinders. If the radius of the inner cylinder is 3.81 em and the radius of the...
For CO, carbon monoxide, answer the following questions: A. Order the atoms and ions of the molecule from largest to smallest. B. Write the electronic configuration and in the periodic table indicate...
please help with all the questions Meisa Taha 2. Define each term: addition (polymer), block (polymer), copolymer. Draw (in correct format) an addition block copolymer in the space below. Indicate...
2. R edraw the compound shown indicating the actual protonation state at pH 7.0 and indicate the overall net charge at this pH. 5pts O H OH 2 T0 the following reaction. 2. R edraw the compou...
Essex County College Division of Biology and Chemistry General Chemistry II Problem Set I CHM 10 1. Which of the following mixtures have components which can be separated by filtration? A) colloi...
Gaseous ethane CH3CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O If 8.38g of water is produced from the reaction of 9.32g of ethane and 45.5g of oxyg...
CONFIDENTIAL BKC/1617/BKF2343 QUESTION 1 An equimolar vapor mixture of n-pentane and n-hexane at 110°C and 1 atm is fed into a condenser at a rate of 200 L min When the feed is cooled and compress...
4 Air (with density 6.08 k3 and viscosity coefficient 2.95 x 10 Pa.s) at an average pressure of 10 bar and a bulk temperature of 600 K flows through a 0.5 m long, 20 mm internal diameter circular tub...
Unknowns are A,B,V, Cw, Cs, Cwd, E, Gw, Gs, Gwd, Gg, Pwd, Pw, Ps, Pg. The subscripts (W,WD, S and G) indicate amount of water, wood, salt, and glue respectively. All together there are 15 unknowns. Y...
2. Calculate y, and report the result with the correct number of significant figures and the absolute error: y-251(+-1) x 860(+-2) / 1.673(+-0.006) Its question #2 i typed it out you do not need...
the following Sequence of DNA was mixed with an unknown primer of length 15 BP, ddC, the four NTPs and DNA polymerase. the resulting mixture of DNA fragments were separated to provide fragments of...
a) A natural gas fuel contains 80 v/o methane, 10 v/o ethane, and 10 v/o propane. Determine the heat released by combustion of 1m3 of the gas. Assume that products of combustion are CO2 and liquid H2O...
Reactions Engineering. Please answer fully with explanation and write neatly. Thanks xx Question 3 (20 marks, 36 minutes) Substance A in the liquid phase produces R and S by the following reaction...
help question 4 (iv) For a simple cubic erystal Ano 0.43 836 74838, while for a face centered cubic crystal Aro 12.31 aad As 16.97. Which crystal structure is more strongly bound at equilibrium?5...
Problem 5. The gas-phase elementar isomerization A B is carried out at 20 atm in a fluidized CSTR (below) containing 100 kg of catalyst where 50% conversion is achieved. Po:20 atm FAo 100kg . P-...
For the final project of an analytical chemistry laboratory course, the students were asked to quantify the lead (Pb2+) content in a drinking water sample. To receive a passing grade for the project,...
18. Regarding the standard error of the estimate (SEE or Sy/x)-more than one answer may be correct a. The SEE describes the dispersion of x, y points around the regression line b. If the random e...
2. The flow rate of steam through a turbine is 2.8 kg/s. The inlet and exit specific enthalpies are 2326 kJ/kg and 1861 k]/kg respectively, while the inlet and exit velocities are 25 m/s and 120 m/s....
Using MATLAB/SIMULINK Question 1 Plot a Nyquist diagram for the transfer function below. Question 1 Plot a Nyquist diagram for the transfer function below.
Problem Six: Given two polynomials: g(x) = anx" + an-iz"-1 +--+ aix + ao Write a MATLAB function (name it polyadd) to add the two polynomials and returns a polynomial t(x) = g(x) + h(x),...
Problem Three: (Based on Attaway, Chapter 5, Exercise 20) The inverse of the mathematical constant e can be approximated as follows: a c 7n Write a script that will loop through values of n (star...
Consider the following mechanism: H2S <--> H+ + HS- (fast equilibrium) Cl2 + HS --> 2Cl- + H+ + S (slow) An intermediate is And the best rate law is
(25 pts) We have a tank of volume V which contains an ideal gas at constant temperature T and initial pressure Po. There is a small hole in the tank and gas leaks out at a velocity of (RT)5, We c...
Calculations se Cs Ba Fr Ra La Ce Pr Nd Pm Sm Eu Gd Tb Ho Er Tm Yb Lu Md No Lr What is the mole fraction of potassium dichromate, K2Cr20f, in a solution prepared from 24.42 g of potassium di...
The average density of canola oil is 0.92g/mL and the average density of biodiesel is 0.88g/mL. Compare the densities of the biodiesel and the vegetable oil to the literature values. Does this support...
Cl 2. (15 points) For the SFsCl molecule: What is the point group? What is the total number of degrees of fredom -b gl 216 What is the total number of vibrational modes?3 What is the reducible rep...
if using piperonaldehyde, what would the answers be? Write an equation for the Aldol reaction that takes place for the aldehyde you used for this experiment. Show the exact structures for aldehyd...
A. How can you interface these two systems based on what you learned? Think about the limitations such as vacuum vs. pressure. 1. A gas chromatograph to a mass spectrometer 2. A liquid chromatograph...
An LED is made of GaPo.24so8 and emits green light photons. What color is the following LED: GaPo As04 expected to emit? Select one: O i. recd O ii. yellow iiblue O iv. orange 2.2 2.0 1.8 1.2 0.8 0.6...
0/1pts rrect Question 4 What changes with temperature? Choose two (2) answers mole fraction 0.5/1 pts Partial Question 11 Match the term with the example. water nonvolatile NaCI nonvolatile 0/...
1a. How does kinetic molecular theory explain why pressure is directly propirtional to temperature at a fixed volume? 1b. Explain Boyle’s Law using the Kinetic Molecular Theory. 1c. A hot air balloo...
a-c 32. Consider the complex ion [CoF (OH)2]3 (4 pts) What is the oxidation state of cobalt in this compound? How many d electrons does the cobalt ion have? a. (4 pts) Draw a d orbital splitting d...
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