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A pipeline connecting two tanks contains four standard elbows, a globe valve that is fully open, and a gate valve that is half open. The line is commercial steel pipe, 25 mm internal diameter, length 120 m. The properties of the fluid are: viscosity 0.99 mNm-2 s, density 998 kg/m3. Calculate the total pressure drop due to friction when the flow rate is 3500 kg/h
One gram-mole of methyl chloride vapor is contained in a vessel at 100°C and 10atm. (a) Use the ideal gas equation of state to estimate the system volume.
Discuss how transmission electron microscopy (TEM) can provide information complementary to that which can be obtained from standard X-ray or neutron diffraction methods, giving suitable examples.
Explain in detail the working of the instrument. Description should include neat diagram, principle of working and the source of literature.
In the chlorination of ethylene to produce dichloromethane (DCE), the conversion of ethylene is reported as 99.0%. If 94 mol of DCE are produced per 100 moll of ethylene reacted, calculate the selectivity and the overall yield based on ethylene. T..
A mixture containing 98 mol% methanol and 2 mol% of an inert contaminant is available as a feed to a formaldehyde plant. The fresh feed to a process consists of 1000 kmol/h of this mixture along with 200 kmol/h of oxygen. All of the oxygen is consume..
a. What is the melting point at standard conditions for ammonia? Boling point is given -33.4C. b. What is the enthalpy change for boiling ammonia at 0C?
Calculate the molar fraction of the system in the vapor phase
A gas mixture containing 55 mol% propane and 45 mol% propylene is to be separated into products containing 10 and 90 mol% propane by adsorption in a continuous, countercurrent adsorption system operating at 25°C and 1 atm. The adsorbent is silica ..
Estimate the density of air, If we approximate the atmosphere to be 79% nitrogen (N_2) by volume and 21% oxygen (O_2)
The Brayton cycle has the same 4 processes as the Rankine cycle, but the T-S and P-V diagrams look very different, why is that?
Calculate the molarity of each of these solutions. a. A 5.623-g sample of NaHCO3 is dissolved in enough water to make 250.0 mL of solution. b. A 184.6-mg sample of K2Cr2O7 is dissolved in enough water to make 500.0 mL of solution.
A stream of 5.00 wt% oleic acid in cottonseed oil enters an extraction unit at a rate of 100.0 kg/hr. A separate stream of propane enters the unit. Propane is able to dissolve oleic acid but cannot mix with the cottonseed oil. Two streams exit the un..
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