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Steam at 30 bar and 500°C enters a pass-out turbine at a rate of18000 kg h-1. The bulk of this steam is expanded isentropically to acondenser pressure of 0.03 bar, but 32% is bled from the turbine at apressure of 3 bar for process heating. If the condensate from the processheater is directly pumped back to the boiler, find:
(a) the power output from the turbine.
(b) the rate of process heating
(c) the efficiency of the plant.
An empty flask has a mass of 123.4 g. When the flask is filled with water, the mass is 211.6 g. If 10.0 g of zinc (d = 7.14 g/cm3) are added to the flask filled with water (and the sides of the flask are dried from the displaced water) what is the..
The number of different constitutional isomers that can be drawn for C2H4Br2 is equal to
Carbon dating is a well-calibrated radiometric dating system used for items generally younger than 50,000 years old (14 C has a half-life of 5730 years). A recently unearthed Viking burial mound contained a ship, a sample of which was found to hav..
what is the pressure of H2 gas collected over water when the total pressure is .980 atm at 25 degrees celsius.
1764 lbs of ammonia is being deposited into 1 hectare of farm land. suppose all of the 1764lbs of ammonia will be
The isoelectric point (pI) of a peptide is the pH at which the peptide does not migrate in an electric field. Since the peptide is zwitterionic, there are the same number of positive charges as negative charges on the peptide population.
whats the concentration of the acetic acid solution? If 10.91 mL of an acetic acid solution required 9.78 mL of 1.0439 M NaOH
A 13.53 mL sample of 0.05000 M AgNO3 is added to an ion exchange column; the solution that emerges from the other side is found to be acidic. Titration of the solution that comes out of the column requires 22.75 mL of 0.02000 M KOH
Explain in general terms what a reference sample is and what its purpose is in spectrophotometry.
How many grams of magnesium metal will react completely with 4.8 liters of 5.0 M HCl?
A sample of oxygen at 65°C under a pressure of 800 torr occupies 425 mL. What volume would it occupy at standard conditions
calculate the solubilities (g A/100 gS) at 10.2 degrees C and 0 degrees C and the mass of solid crystals in the breaker at 0 degrees C. and if you have the time, I'd really appreciate help with:
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