Determine initial pressure in bar and work for process
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Refrigerant 134a is throttled from a saturated liquid at 70F to a saturated liquid-vapor mixture at 36.1 psia. What are the temperature drop, quality, and specific volume at the end of the throttling process?
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The initial volume is 0.1 m3, the final volume is 0.04 m3, and the final pressure is 2 bar. Determine the initial pressure, in bar, and the work for the process, in kJ, if (a) n = 0, (b) n = 1, (c) n = 1.3.
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