Using p – v – T Data
Complete the following exercises. In each case locate the state on sketches of the T–v and p–v diagrams.
(a) Four kg of water at 100°C fills a closed container having a volume of 1 m3. If the water at this state is a vapor, determine the pressure, in bar. If the water is a two-phase liquid–vapor mixture, determine the quality.
(b) Ammonia at a pressure of 40 lbf/in.2 has a specific internal energy of 308.75 Btu/lb. Determine the specific volume at the state, in ft3/lb.
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