Question

(3a). (3 p) Please identify all the phases (A-D) and states for points 1-5 on the T-v diagram. (3b). (3p) Find the quality and specific internal energy of a saturated mixture at atmospheric pressure, which consists of 3.0 lbm of a liquid water and 5.0 lbm of a water vapor. (3c). (3p) Find the mass of air in a spherical balloon with a radius of 5m, assuming it is an ideal gas at 1 atm and 26.75 °C. (3d). (3p) A tank with a volume of 0.3 m³ contains 20 kg of H2O at 350 kPa. Please determine the phase (or phases), temperature, and the total internal energy water in this this system.

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