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Chemical-Engineering Questions
THALPY, ENTROPY, AND FREE ENERGY Carbon disulfide, CS2, is a toxic, highly flammable substance that is an excellent solvent for large, nonpolar, organic species such as fats, resins, rubber...
Calculade the melng pait of ice at l00oatm Calculade the melng pait of ice at l00oatm
2. Kinetics of an Oscillating Reaction Oscillating reactions are a special kind of chemical reactions and are characterized by an elementary reaction in which at least one of the reactant is also...
3. (A) Describe a procedure to solve the following problems in recrystallization technique: a) no crystals are formed when solution reaches room temperature b) oiling out c) presence of colored i...
1. The cartoon below represents the reaction of nitrogen gas (N2) with hydrogen gas (H2) to synthesize ammonia (NHs). Industrially, this che pro mical process is called the Haber-Bosch cess...
Standard reduction potentials are listed for reactions under standard conditions. Standard conditions are 1 M concentrations of ions, 1 atm (or 1 bar) partial pressures for gases, and a tem...
Thermodynamics A steam power plant operates with high pressure oft 4 MPa and hasleel receiving heat from a 700°C reservoir. The ambient air at 20°C provides cooling to maintain the water/vapor m...
Problem 3. Rankine Cycle (90 points) A steam power plant operates with high pressure of 4 MPa and has a boiler exit at 600°C receiving heat from a 700° C reservoir. The ambient air at 20°C provid...
Show that for saturated steam at 250°C, the Gibbs Free Energy (in kJ/kg) is the same for the vapor and liquid phases. (GV GL-375 kJ/kg) 6. Show that for saturated steam at 250°C, the Gibbs F...
6. Other than a liquid solvent, what could function as the mobile phase in chromatography? 7. Why was it necessary to treat the chromatogram with DMG and ammonia? 8. Why did you use pencil to dra...
Ahsg (lsnimet ei negvxo) OcM Ils obulonl abnod rtii " mort, enitoonn0ว bns bhe 9rt, no armots enioelq Vd oluosiom ort, wisnQ anoifsels to anisq enol 2Unsno2 znoizzima9 I voilog osvn9 I a2U...
"Synthesis gas" is a mixture of carbon monoxide and water vapor. At high temperature synthesis gas will form carbon dioxide and hydrogen, and in fact this reaction is one of the ways hydrogen...
please help me to show step by step A thermally insulated vessel contains 10 kg of water. The water is agitated with a stirrer that delivers power at a rate of 1 kJ/s. The agitator runs for 60 s...
Consider a chloroform(1)ytetrahydrofuran(2) mixture with x1 080, initially at 70C and 120 kPa Describe the evolution of phases and phase compositions as the temperature is gradually increased to 80°C
Expert Q&A Done Alkyl halides are used as an alkylating agent in various chemical transformations. The alkyl halide ethyl chlonide can be prepared by the following chemical reaction In the re...
what range of values would be expected for conjugated polymer band gaps?
A stream containing ethane gas (C2He) enters the inner pipe of a double-pipe heat exchanger at 40°C and 105 kPa and exits from the pipe at 240*C and the same pressure. Superheated steam at 315 C...
Purge CO Makupreactor Onygen SEM. Il 2018-19 The pertinent chemical reactions involved are: CH, +2H20 CH+H20 CO +3H2 CO2 4H2 (main reformer reaction) (reformer side reaction) (CO converter reacti...
What are the [H3O+] and [OH-] tor a solution with each of the following pH values?
I’m not really understanding the last page, please help! Other pages and information provided. (: Experiment 330 Introduction to Infrared Spectroscopy Data Sheet Section Name Prominent Absorptio...
On a silica gel column, a compound was found to have a retention time of 28 min when the mobile phase was toluene. Which solvent, carbon tetrachloride or chloroform, would be more likely to shorten th...
Write the formula for the complex ion formed by the metal ion Cr3+ and six NO2- ions as ligands. Decide whether the complex could be isolated as a chloride salt or a potassium salt, and write the form...
Unsaturated fatty acids have lower melting points than saturated fatty acids because A. they have fewer hydrogen atoms B. They have more hydrogen atoms C. their molecules fit closely together D. the c...
1. State whether the behavior of methylamine (CH,NH2) would be less ideal than that of argon. 2. Calculate the value of R in L-atm/mol-K by assuming that an ideal gas occupies 224 L/mol at STP Wh...
Polymer chemistry is a major synthetic tool in material science. In your own words (2 or 3 sentences), describe why industrial laboratories would utilize polymer chemistry to make their products....
Question 1 - Linked Reactions (10 marks) The reaction catalysed by pyruvate kinase is: Phosphoenolpyruvate+ ADPpyruvateATP Keg 3.63 x 105 a) Calculate the AG" for this reaction. Show your work...
Propose a synthesis using the target molecule with retrosynthetic analysis. Provide complete reagents for each step of your proposed synthesis. from Target molecule from Target molecule
A 3.00-mL bleach (NaOCl is the active ingredient) sample is mixed with potassium iodide and acid to completely form triiodide (I3 - ) ions. You then titrate the I3 − ions with a thiosulfate (S2O3 2− )...
the United States department of energy has get a goal within their onn 4. As you know, disinfection of water can be accomplished by bubbling Cl2(g) into the water. the following questions pleas...
3. Air in a standard Otto cycle is at 17°C and 1 bar and has a volume 0.4 L before compression. The compressor has a compression ratio 8. The maximum allowed temperature is 1927°C. Estimate the heat...
1.5 1.9 2.0 2.1 22 2.3 24 25 26 2.7 28 3) (a) An enzyme is used to convert a substrate at a temperature of 25°C. The Michaelis constant of this reaction is 0.042 mol dm3. The velocity of the reac...
Asmall holding tank in a chemical plant contains the coolant, Ethylene Glycol, which is maintained at a temperature of 47-C by means of an electrical heater. The heating element consists of a refract...
Material Science and Engineering: Question 2 is on Ferrous and Nonferrous Alloys and Question 6 is on Ceramics. The correct answers are posted but would like to know which equation is used. Please exp...
9:09 AM Mon Apr 29 ゃしダ46% ■ f) What is the major organic product obtained from the following reaction? CrOs он HSO,, H20 1-butene, CH,CH,CH CH butanal, CH CH.CH,CHO CH,CH,COCH butanoic acid, C...
pts] An irreversible turbine The air enters the turbine at 60°C an stea e operates steadily with air flowing through it to produce work. d 1 from ththe turbine the 60°C and 175 kPa with a mass fl...
3 4. (-)-Anverene [4pts ame: 3 4. (-)-Anverene [4pts ame:
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Duct...
9. Using the Maxwell equation for Helmholtz free energy, derive the thermodynamic equation of state for ideal elastomers 9. Using the Maxwell equation for Helmholtz free energy, derive the th...
ESTION 2 115 MARKS a) Mr. Azman, owner of a small business borrowed RM75,000 with an agreement to repay the loan with quarterly payments over a 5-year time period. If the interest rate is 12% per...
C2 TİSHNN Question 18 Homework ◆ Unanswered Fill in the Blanks 800 700 600 y= 7.4x + 102.0 500 400 300 200 100 80 60 70 10 30 40 0 50 20 TIME (SECONDS) This is a (zeroth, first second TIME ( SEC...
10. The molecular art depicts the following reversible reaction at equilibrium: COG) +Cl2(g) COCh(e). What can be inferred about the equilibrium constant, K, for this reaction? 1, A) K<1 B) K...
Hand Calculations (40 %)-(must not exceed 2 pages) The process involves the separation of a binary mixture containing heptane and ethylbenzene using a countercurrently operated continuous fractio...
5. Part of the Al-Cu phase diagram is shown below. Consider an AI-33 wt% Cu alloy which has been solidified 800 700 660°C 600 548°C 02 3% 500 - 400 300 200 10 20 40 50 70 30 60 Al Wt % Cu a) What pha...
Continuously operated stirred tank reactor has been design on the assumption of perfect mixing to achieve 90% conversion of the first order reaction. Subsequent flow patterns study (flow visualizatio...
Problem 7 The gas-phase reaction, 2A2 + B2 2A2B, is carried out in a constant- volume reactor (volume V) at temperature T. No g-moles each of A2 and B2 are charged to the reactor, which is evacuated...
A Reaction is given: ½Br2(l) --> Br(g) Ho = 112kJ/mol The bond enthalpy of Br-Br is 193 kJ/mol A. Formulate the vaporization process of 1 mol bromine Br2(l). B. Calculate the enthalpy of the vapori...
Please answer all 4 questiond with working! TIA For the overall reaction A B The nonelementary rate law of this reaction IS: RCA [4] Which of the following elementary reactions are consistent w...
Question 7 A chemistry student is given 2.00 L of a clear aqueous solution at 43.° C. He is told an unknown amount of a certain compound X is dissolved in the solution. The student allows the solution...
please answer all 3 questions and show work?! quesHon. Write the dissolution reaction for magnesium carbonate in water Use the pull-down menus to specify the state of each reactant and product....
1) Differentiate between “cryptand” and “cryptate”. Give one example for each and draw its structure. 2) Differentiate between “crown ether” and “cryptand”. Give one example for each and draw its stru...
Thermodynamics 1. Saturated liquid H20 at 16 MPa is fed into the boiler of a variant of a Carnot cycle (but simplified Rankin cycle) where the working fluid is not an ideal gas. Saturated H20 va...
1) Estimate the difference Δ
1- Calculate the net positive suction head (NPSH) of the pump using the following data. i) - Vapo...
A liquid with density of 59 lb / ft ^ 3 and viscosity of 7cp is transported at 105.4 gpm by a pum...
Use Thermodynamic Identities: m10 ayran 1,1 Start uth one side of the eqvcahu and manipulate it u...
1. Design a clay-filled PE composite suitable for injection molding inexpensive parts. The final ...
A pump operates adiabatically with liquid water entering at T1 25 °C P, = 1 bar with a mass flow ...
Please help with Question 4 *with explanation of your steps* because I don't understand how my le...
Pentane (C5H12) is burned with 200% theoretical air.
Question 3 of 10 Elements of which strategies will be required for a comprehensive process safety...
Lab 6-ACQUIRE-Data Name: ONY CLEME Partner:S IT ES I. For each chemical equation in the table bel...
Ees nleliees show are not that the fluid property calculations described later great, however, dh...
Q 3 Ninety-eight per cent sulphuric acid is pumped at 4.5 tonne/hour through a 25 mm diameter pip...
Consider the trypsin binding-pocket specificity structure scenario and critical AAs interactions ...
If the diameter of the random packing tower is larger than 1 m ,is this reasonable ?explain why?
The area of the stirred tank heater is 0.1m^2 and the dynamic model of it are q0+q1-q=ρA*d(h)/d(t...
Hello, I am having trouble solving this air pollution problem. Please give me a help. Thank you
A mixture of 3.00 mol of Cl2 and 3.00 mol of CO is enclosed in a 5.00-L flask at 600.°C. At equil...
8. What is the significance of Cold Filter Plugging Point in Refining Industry?
14. In Chapter 15, the concepts of heat-exchanger networks and pinch technology are discussed. Wh...
A chemistry graduate student is studying the rate of this reaction: 2HI () H2 +12) He fills a rea...
CSTR reactor 1) 0 th reactor (CAo=3mol/L, Kf=0.03, time constant=70min) What is the formula for t...
Write the decay equation and perform Q-value calculations for the following: 130 beta emission a.
You measure a contact angle of 35 degrees on an aluminum sample. After surface etching (in Ar gas...
3. The resolving power of a microscope depends on the wavelength used. To see an atom, a solution...
QUESTION 16 10 points Save Answer What is the IUPAC name for the organic product formed in the re...
Two students in class are given different masses of 2 unknowns and asked to identify them. Studen...
An equimolar gaseous mixture of CO2 and CH4 is at 37.8 C and 8.618 MPa. The partial molar volumes...
2. [10 points - Suggested time 5-15 minutes] A first order irreversible reaction is performed in ...
For a 70 wt % You are given the binary eutectic copper-silver phase diagram shown in Figure 2. Cu...
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