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Explain a steam turbine in a small electric power plant is designed to accept 4500 kg/h of steam at 60 bar and 500oC as well as exhaust the steam at 10 bar. Presuming that the turbine is adiabatic and has been well designed so that 0=gen), Evaluate the exit temperature of the steam and the power generated by the turbine.
Calculate the pH of a solution formed by mixing 5.00 mL of 0.015 M HBr with 20.0 mL of 0.200 M HCL.
A 1.95 g sample of potassium bicarbonate is decomposed by heating. If the resulting potassium carbonate weighs 1.54 g and the calculated yield is 1.35 g, what is the percent yield
What is the pH of the buffer after the addition of 0.04 mol of NaOH? (assume no volume change) pH
calculate the specific heat of a substance if a 35 gram sample absorbs 28 joules as the tempature is raised from 292 kelvin to 313 kelvin.
The Henderson-Hasselbalch equation is used to calculate the pH of a weak base, but not the pH of a weak acid.
The partial pressure of oxygen gas in an atmosphere at STP is approximately 0.2 atm. If I capture 11.2 liters of atmospheric gas at STP in a flask,
a galvanic cellnbsp is set up at the temperature od 298 k using the given reaction fe fe2 0.10 m cd2 0.95 m cd
Analysis of water in a sediment sample at equilibrium at ph 7.00 showed [so42-] = 2.00 x 10^-5 m and a partial pressure of h2s of 0.100 atm. show with appropriate calculations if methane, ch4, would be expected in the sediment.
Does 4-Phenylphenol have a monosubstituted aromatic ring ( or also known as monosubstituted aromatic overtone band [msoab] )
The active ingredient in some antiperspirants is aluminum chlorohydrate, Al2(OH)5Cl. Analysis of a 2.000-g sample of antiperspirant yields 0.334 g of aluminum. What percent (by mass) of aluminum chlorohydrate is present in the antiperspirant?
write a balanced equation for the reaction and find the mole ratios of the reactants and products. find the volume of oxygen in liters formed at 25 *C if the gas is collected over mercury under an atmospheric pressure of 670 torr.
nbspthe highest ambient air concentration of ozone recorded in sanfrancisco in 1994 was 1700 micrograms per cubic meter
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