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Chemical-Engineering Questions
in absorption, why cant i use a flowrate lower than the minimum solvent flowrate (Lmin), explain...
It is desired to sample a nuclear power plant coolant system. The coolant contains N-16 radioactivity...
At 1024 ° C, the pressure of oxygen gas from the decomposition of copper(II) oxide (CuO)...
A sample of lead (II) nitrate dissolved in 173.2 g of water is heated to 50...
1) Consider the following system at equilibrium where Kc = 55.6 and deltaH° = -10.4 kJ/mol...
A 2 L reaction vessel contains NH3, N2 and H2 at equilibrium at a certain temperature....
Part A Calculate the pH of a buffer that is 0.135 M in NaHC O 3...
An 80% efficient pump draws 68.5 gallons per minute of water from an aquifer through a...
An acetylene -oxygen mixture, which contains 25 mol % acetylene (C2H2) and 75% mol oxygen is...
Acetylene is hyrodgenated to form ethane. The feed to the reactor contains 1.30 mol H2/mol C2H2....
Explain the following observations and offer suggestions how to eliminate the problem: (a) A ceramic component,...
A complex mixture such as ice cream is stored in a rigid vessel to cool before...
#1 How does kinetic molecular theory explain Dalton's law? Select the correct answer below: Question options:...
Determine the standard heat of each of the following reactions at 25 C: 1. CH3OH (g)...
Looking back at the equation for the fusion of uranium-235, if 100.0 g of uranium-235 undergoes...
Explain in your own words why the world is not filled with waste matter?
1) One thousand barrels of a 40°API crude are blended with one thousand barrels of a...
Which statement concerning batteries and fuel cells is incorrect? A fuel cell uses the reduction of...
You are working for a camping gear manufacturer and your boss has asked you to design...
Discuss conceptual model uncertainty, input uncertainty and parameter uncertainty
On her way to class this morning, the student stops at her favorite coffeehouse and grabs...
In the gas-phase reaction 2A+B ? 3C + 2D, it was found that when 1.50 mole...
Calculate the pressure (psig) at the bottom of a 7500 foot column of fluid for each...
28.Consider a reaction for which ?H =-30.91 kJ/mol, ?S =-93.2J/K-mol. Which of the following statements is...
Write down the total potential in units of G (J/mole), which is the sum of thermal,...
Which of the following not the government efforts during world war 1? 1. Victory gardens 2....
Using the following thermal chemical data (use Hess’s law) 2Fe(s) + 6HF(g) —> 2FeF3(s) + 3H2(g)...
i2+5cu^2+ +6h20 = 2io3^- +5cu+12h^+ what is the reducing agent what is density of f2 gas...
What mass of liquid C6H13Br will be produced by a reaction giving 85% yield if 17.0...
Why do you think Zn in FCC Cu has interdiffusion and N in Fe has interstitial...
how we can put distilation column under total reflex if feed to disillation column cut off...
How do you convert 664.71 MSCFH (million standard cubic feet per hour) of natural gas to...
Separately list the type of materials used in each of the following medical applications; (a) bone...
In a catalytic reaction CO + 3H2 ---> CH4 + H2O If 25% excess hydrogen was...
Describe an example of a workplace situation in which a container of hazardous material is not...
In producing ammonia by the Haber process. A 3:1 hydrogen-nitrogen molar ratio is feed to the...
How long would it take our subject to burn 550 kcal (equivalent of a McDonald’s Big...
Problem 2: Fogler 6-6 (a-g), pg. 363 Consider the following system of gas-phase reactions: A X...
5. Surface modification is one of the core nanotechnologies. please discuss the strategy to make self-cleaning...
The problems of modern society are complex and multI-faceted, so the solution of a single point...
Why does it generally take more enthalpy to ignite a solid than a gas or liquid?
I need to make 100 mL of 0.4 wt% phosphoric, 0 2 wt% chronic acid, 99.4...
The temperature inside a Carnot refrigerator is maintained at 5ºC by rejecting heat to the surroundings...
Using a glass electrode at 15 °C, the pHs and potential (Es) of the standard solution...
In the month of January, a certain dwelling requires heat in the amount of 2.4 x...
Calculate the open circuit potential of a Daniell cell (at 25 oC and 1 bar) with...
What is the OCP (open circuit potential) of the H2(g)/Cl2(g) electrochemical cell [Pt(s)|H2(g)|HCl(aq)|Cl2(g)|Pt(s)] at 25 oC,...
A 300km mass of water with temperature 50 C is mixed with 20kg of ice, The...
A Sample of M2O3 weighing 11.205g is converted to 15.380g of MCL3, where M is the...
What is the difference between parameters an forcing function?
1. What is the pH change of a 0.210 M solution of citric acid (pKa=4.77) if...
It is from the book Elementary Principles of Chemical Processes, 4th Edition, Problem 5.66 The quantity...
Pretend for a moment that you have infrared vision and you are looking at an empty...
The next three (3) problems deal with the titration of 301 mL of 0.501 M carbonic...
Q1))) A student carried out this experiment and found: mass gelatin capsule = (1.2010x10^-1) grams mass...
Using Sutherland’s equation and ideal gas law, develop an expression for the kinematic viscosity ratio n/n0...
A student reacted 75.00 mL of 2-propanol (d=0.786 g/ml) with 5.50 mL of concentrated sulfuric acid...
A 19.0-L volume of an ideal gas in a cylinder with a piston is at a...
Based on the following information: mass of Al is .91g, mass of Cu is 3.55g, and...
Discuss some ideas about government revenues acquired through the system of taxation.
Draw the substrate saturation curves for PFK1 against ATP as a substrate. On the same plot,...
Consider the following oxidation-reduction reaction between vanadium metal and oxygen gas: 4 V(s) + 5 O2(g) ...
Calculate V and Z for methyl chloride at 100 ° C and 55bar for the ideal...
A rigid tank, with a volume of 25 L, contains nitrogen at 355 K and 1.2...
The decomposition of a compound in a first-order solution, with an activation energy of 52.3 kJ...
A gas mixture with an apparent molecular weight of 30 lb/lb mole is at 160°F and...
what is buoyancy of smoke at the molecular level, and is the smoke laminar or turbulent...
Why the monochromatic light is used in spectroscopy or in spectrophotometer machine?
In the catalytic reaction CO + 3H2 -->CH4 +H2O, if 25% excess hydrogen was used and...
The diffusion rate of caffeine. I am investigating the rate of diffusion of caffeine in tea...
The H–Br bond energy is 142 kJ/mol. Therefore the formation of a single bond between atoms...
1. Poly(ethylene terephthalate) can be prepared by heating Bis(2-Hydroxyethyl) terephthalate.Write a balanced chemical equation for this...
A tube is placed vertically in a breaker of salt water with specific gravity of 1.15....
Briefly describe when you would use the extraction (shake-flask) method vs. the LC-MS method to measure...
In lab, fluids stored were measured 5.5 cc of oil and 2 cc of water. If...
Question 1 : We have a solution that has a concentration of 0.321 M for A(aq)...
2 -A mixture of gases has the following composition by mass: CO2 15.5 % O2 18.9...
4.29 Methane gas is burned completely with 30% excess air at approximately atmospheric pressure. Both the...
The two competing reactions for the combustion of methane in a combustor are: CH4 + 2O2...
A) Does a motor vehicle body rust quicker in a heated garage compared with being left...
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