Question: ( 1 0 points ) The refrigerant - 1 3 4 a enters a valve at 8 0 0 kPa and 3 2 C .

(10 points) The refrigerant-134a enters a valve at 800 kPa and 32C. The pressure downstream of the valve is measured to be 80 kPa. Calculate the internal energy downstream. Neglect kinetic energy changes. [MO 1, MO 2, MO 5]

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