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4. A valve is installed in a pipe to throttle R-134A from a saturated liquid state at a pressure of 700 kPa to a finalpressure of 160 kPa. What is: a. the change in temperature during this process? [DeltaT] b. the final specific volume? [vf] c. the enthalpy at state 2? [h2] d. the quality at state 1? [x1] e. the quality at state 2? [x2]

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