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Engineering, 28.09.2019 00:30 Salamonti
Must the amount of heat absorbed as 1 kg of saturated liquid water boils at 100 °c, be equal to the amount of heat released as 1 kg of saturated water vapor condenses at 100 °c? why?
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Engineering, 03.07.2019 15:10, brooklyn674
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
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Engineering, 04.07.2019 19:10, gabrielaperezcz
Air inially occupying a volume of 1 m2 at 100 kpa, 27 c undergoes three internally reversible processes in series. process 1-2 compression to 500 kpa during which pv constant process 2-3 adiabatic expanslon to 100 kpa process 3-1: constant-pressure expansion to 100 kpa (a) calculate the change of entropy for each of the three processes. (b) calculate the heat and work involved in each process. (c) is this cycle a power cycle or refrigeration cycle?
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Must the amount of heat absorbed as 1 kg of saturated liquid water boils at 100 °c, be equal to the...
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