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TERMODINÀMICA (Curs Total)
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A thermodynamic system performs an adiabatic process while its volume increases. Write the First Law of Thermodynamics in this case, and indicate the sign of the change in internal energy in the process.
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When a liquid evaporates does it absorbe or release heat? When a solid melts does it absorbe or release heat?
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Write the Postulate of State
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Which common property have two systems that are in mechanical equilibrium?
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A diffuser is a device that reduces the kinetic energy of a fluid. Where does the lost energy go?
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Someone says that the absolute pressure in a liquid doubles when the depth is doubled. Is it true? Justify your answer briefly.
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Classify the following magnitudes between extensive and intensive: pressure, specific volume, internal energy, temperature
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What is a quasiestatic process? Why is it useful to study quasyestatic processes?
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A rigid container is filled with air at a manometric pressure of 200 kPa and a temperature of 300 K. Heat is transferred from the environment until the manometric pressure reaches 400 kPa. Which is the final temperature of the air? Assume that atmospheric pressure is 100 kPa
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 -->Write the equation relating pressure and volume in a politropic process of an ideal gas
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