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Chemical-Engineering Questions
The thermal expansion of aluminum is plotted against temperature in the figure below. Measure the plot...
Phenolic fluid at 30 ℃ flows in a cooler pipe with diameter and length at 5...
Given: 1eV=1.6×10-19 Joules, 1Ci=3,7×1010 des/s. A 2 mCi of 60Co source emits two gamma rays per...
Copy of For the process described by the exact transfer function G(s) = 5(s+2)/{(11s+1)(3s+1)(2s+1)(0.5s+1)} Use Taylor...
i) Gas, from a petroleum distillation column, has its concentration of H2S reduced from 0.03 kmol...
What are the three balanced chemical equations when butane undergoes cracking reaction?
Why the conductivity of a tap water is less than the 0.1 N HCL Solution?
A Cesium–137 (Cs-137) source is shipped to a company in a shield 2 cm thick. The...
In the bourdon tube gauge pressure experiment; The following data are sample measurements of gauge pressure...
Consider the vapor-compression refrigeration cycle with HFC-134a as refrigerant. If the evaporation temperature is -8 °C,...
The solubility of the salt MxAy is 1.0 ´ 10-2 mol/L at 25°C. The osmotic pressure...
1. A fluid exhibiting Bingham plastic flow character is contained in a tube of diameter d...
A solution contains 0.0020 M concentrations of I- and CO3^2-. What is [CO3^2-] when PbI2 just...
answer True or false? The resistivity of water cannot be affected by any ions expect sodium...
Your firm has designed a new 2m double-paned window which consists of two 5 mm thick...
Please draw the molecular orbital theory diagram of the H2O molecule. Use ↑ and ↓ symbol...
Pressure in a packed tower increases from 1 atm to 15.0 atm. If the flow parameter...
⦁ A gas with a molecular weight of 28.0, a critical temperature of 300 K, and...
⦁ Two hundred cubic centimeters per hour of Methane , flows through a pipe at 30...
what are two advantages and two disadvantages of using clean agents (halon or inert gases) as...
Assume that an ideal gas of NH3 is placed in an isolated container of 1,600 cm3...
Liquid (A) flows down as a thin film over the outside surface of a vertical flat...
Consider a reaction that is first order with respect to component A. In 30 minutes, A...
When CA=0.03 mol/L, the rate is 0.003 L/mol-s. The rate when CA=0.015 mol/L the rate in...
A 2 m long pipe with a diameter of 30 cm carries a fluid of density...
A fuel gas containing 74.0% methane, 12.0% ethane, and 14.0% propane by volume flows to a...
How are engineering ceramics densified? Explain the driving force for densification.
Which is most likely to partially crystallize? an isotactic polymer a random copolymer an elastomer a...
I want to describe about the Clapeyron equation in the solid liquid equilibrium.
The elementary reaction: A+B to R+S is run in a set-up consisting of a mixed flow...
A solution of tryptophan has an absorbance of 0.48 (A) at 280 nm, in a 1...
1_Find the required amount of ZnSO4 to prepare 0.3 M 450 mL ZnSO4 solution. (MWZnSO4= 161.47...
While brass valves are commonly used underground in water distribution systems, the valves in one area...
One mole of an ideal gas CP=7R2 in a closed piston/cylinder arrangement is compressed from Ti=200...
A Carnot engine operating between 600.15 K (327°C) and 300.15 K (27°C) supplies 90% of the...
5. Estimate numerically the change in carbonate-rock porosity caused by a complete dolomitization of calcite, accounting...
Calculate the molar fraction of nitrogen gas, N2,(g) which is dissolved in water at sea level....
A patch has been designed to release a drug to treat airsickness. The patch is applied...
Why are reactors often operated adiabatically instead of isothermally? How can you keep a reactor adiabatic?
describe how you will design packaging for long shelf life for a natural fruit juice for...
1. What is "differential"? 2. What is a differential reactor?
Which of the following standards/codes is suitable for use in the design of atmospheric vessels? a....
What is the value of ∆H for the reaction H2(g) + ½ O2(g)→ H2O(l) at 100ºC...
A shaft with a diameter of 75 mm is subjected to a torque of 461 N-m....
Water at 10 oC flows at a mass flow rate of 15 kg/s through a nozzle...
The vapor pressure of pure benzene is 750.0 torr and the vapor pressure of toluene is...
particle density: 1.05g/cm^3 particle diameter: 10 micrometer water density: 1g/cm^3 viscosity of water is 1 centipoise...
The new coronavirus has been spreading around the world. It causes more than three hundred thousand...
Flash distilling liquid mixture containing 40 mol % A(LK) and 60 mol % B(HK) The flow...
Identify oxidation, reduction and oxidizing and reducing agent? CuCl2(aq) + Mg(s) --> MgCl2(aq) + Cu(s)
9). 99mTc eluate yielded 2.0 Ci at 6:30 am in a 20ml vial. a. What is...
what is rotenone and how is it typically used? are mammals or fish more sensitive to...
[1]- An alloy of silicon and iron (Si-Fe) has 0.25 wt% of Si. If the density...
How much work is lost in a reversible process? Explain.
Estimate thermal conductivity of a potato at 20Celsius. the potato gas water content of 79.8% wb...
By what mechanism do the hundred-micron-sized scales on the shark skin reduce drag?
1. 20 kg/s of propane is burned with 50% excess air. Both streams are at 100oC...
Statement: In an oil refinery, the crude oil is heated and more useful products e.g gasoline,...
Thursday ) 250 kg ethanol reacts with 250 kg acetic acid to form ethyl acetate and...
Excited barium atoms in an ICP at 9000 K will emit at 493.4 nm as a...
Explain why the number of defects in a solid increases as it is heated.
One mole of an ideal gas (CP/R=7/2), is compressed in a steady-flow compressor from 2.5 bar...
The mole fraction of dissolved tricholoroethylene (molecular weight 131 g/mol) is 3x10^5. Determine its concentration in...
1. A spherical ball of naphthalene (mothball) is suspended in still air at 347 K. Its...
If 1 mole of propane (C3H8) generates -2220 kJ of heat on combustion, how much propane...
1. A wetted-wall absorption tower, 1 in ID is fed with water as the wall liquid...
Air is blown into the bottom of a bioreactor just below the stirrer which breaks the...
Steam is produced at 20 bar and some unknown temperature. A small amount of steam is...
what is mass of theoretical oxygen (kg) required for full combustion of 200L methanol and what...
Name 2 ways differential pressure could be decreased in a distillation column.
A long capillary with an internal diameter of 0.001 m is locked vertically in 25°c water,...
can a cement silo cool down a crushed and calcined limestone from 300C to 50C? if...
n-Octane is burned with stoichiometric amount of oxygen. The mass fractions of each of the products...
The plant producing 1000 Ton/year of product. the overall yield is 70% on mass basis. the...
Estimate the fugacity of cyclopentane at 110 C and 275 bar. At 110 C the vapor...
consider a rigid tank that contains 0.1 kg of air at 27 degrees C. Now heat...
Calculate the energy density in the wavelength range 650-651 nm inside a blackbody cavity when the...
Calculate the heat of reaction in kcal at 25 °C and 1 atm for the following...
Calculate the fugacity and fugacity coefficient of n-butane in the liquid state at 350 K and...
Define the following terms with examples: - Coefficient of kinetic friction
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