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Determine the thermal efficiency and the required steam flow rate [kg/s] for a reheat-regenerative steam power plant which is to produce 200 MW of electricity. The turbine drives a generator with an efficiency of 94%. The turbine inlet conditions are 160 bar and 590 C; after reheat the steam is at 100 bar and 590 C; one closed heater is at 30 bar; an open feedwater heater is at 1.5 bar; and the condenser pressure is 0.10 bar. The turbine and pump efficiencies are 100%. The terminal temperature difference from both heaters is 3 C, and the drain from the closed heater is trapped to the open heater. The extracted steam exiting the closed heater is saturated liquid Also sketch the cycle on a T-s state diagram.
Nitrogen dioxide reacts with water to produce oxygen and ammonia: Using the ideal gas law equation, calculate the grams of NH3 that can be produced when 3.70 L of NO2 react at a temperature of 415 Celsius and a pressure of 705 mmHg
A metal, M, can readily form the M+ cation. A nonmetal, X, is a gas at room temperature and can easily form the X- anion. Is the product of the reaction of M and X a molecule or an ionic compound?
How many grams of camphor (C10H16O) are needed to raise the boiling point of 43.5grams of benzene by 2.10 degress Celcius? The Kb of benzene is 2.67degress Celsius/molality.
How many grams of NH4Cl must be added to 0.490 L of 1.00 M NH3 solution to yield a buffer solution with a pH of 8.90?
An orange compound was added to the top of a chromatography column. Solvent was added immediately, and the entire volume of solvent in the solvent reservoir turned orange.
if 25.00mL of .2500 M formic acid is titrated with 25.00mL of .2500 M NaOH, what is the pH at the equivalence point? the Ka for formic acid 1.8x10^-4.
Calculate the distance (in Angstroms) and energy (KJ/mol) where the molecules are most attractive.
If the value of Kc for the reaction is 2.50, what are the equilibrium concentrations of the products if the reaction mixture was initially 0.500 M SO2, 0.500 M NO2, 0.00500 M SO3, and 0.00500 M NO
The root mean square velocity of argon atoms is found to be 5.67x103 m/s. What is the temperature of the gas
Calculate the oxygen content of the plasma in mM! 1 ml plasma dissolves 24 uL oxygen at 38 degrees C if the partial pressure is 103 kPa.
a solution is prepared by dissolving 15.0g of nh3 in 250g of water. the density of resulting solution is 0.974gml.
What volume of hydrogen gas is produced when 68.4 g of iron reacts completely according to the following reaction at 25 C and 1 atm iron (s) + hydrochloric acid (aq)--------- iron(II) chloride (aq) + hydrogen (g)
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