Determine pressure of steam and quality of saturated mixture
A 1.8-m3 rigid tank contains steam at 220°C. One third of the volume is in the liquid phase and the rest is in the vapor form. Determine (a) the pressure of the steam, (b) the quality of the saturated mixture, and (c) the density of the mixture.
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Suppose that 1 kg of saturated water vapor at 100ºC is condensed to a saturated liquid at 100ºC in a constant-pressure process by heat transfer to the surrounding air, which is at 25ºC.
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Assume the temperature of the surroundings is 20°C, determine the work done and the net entropy change for the process.
A car travels at a constant speed around a circular track whose radius is 3.1 km. The car goes once around the track in 370 s. What is the magnitude of the centripetal acceleration of the car?
A 1.8-m3 rigid tank contains steam at 220°C. One third of the volume is in the liquid phase and the rest is in the vapor form.
A gas stream contains 18.0 mole % hexane and the remainder nitrogen. The stream flows to a condenser, where its temperature is reduced and some of the hexane is liquefied.
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Nitrogen has a Henry's law constant of 8.42x10^-7 M/mmHg at 25degreesC when dissolving in water. If the total pressure of gas (N2 gas plus water vapor) over water is 1.0atm, what is the concentration of N2 in the water in grams per mL?
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