HW5 - b. Helium at 3200F and 1.3 atm goes isentropically to...

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Spring 2006 1 ME 201 Thermodynamics Homework #5 Due Wednesday, February 1, 2006 1. Calculate the entropy change for N 2 as it goes from 250 K and 1000 kPa to 1300 K and 60 kPa. 2. For the two processes given below, determine the final temperature, pressure, specific volume, and the changes in internal energy, enthalpy, and entropy. a. Air at 8400 R and 66 psia goes isothermally to 1.7 psia.
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Unformatted text preview: b. Helium at 3200F and 1.3 atm goes isentropically to 435F. 3. Calculate the final temperature and change in specific internal energy as magnesium at 30 psia and 500F goes insenthalpically to 90 psia. 4. Determine the changes in internal energy, enthalpy, and entropy as liquid petroleum at 70 kPa and 300 K goes to 100 kPa and 430 K....
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