Question: A 0.5-m3 vessel contains 10 kg of refrigerant-134a at -20C. Determine (a) The pressure, (b) The total internal energy, and (c) The volume occupied by

A 0.5-m3 vessel contains 10 kg of refrigerant-134a at -20°C. Determine
(a) The pressure,
(b) The total internal energy, and
(c) The volume occupied by the liquid phase.

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