1. One lb of water in a piston-cylinder assembly, initially a saturated liquid at 1 atm,...

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1. One lb of water in a piston-cylinder assembly, initially a saturated liquid at 1 atm, undergoes a constant-pressure, internally reversible expansion to x = 90%. Determine the work and heat transfer, each in Btu. Sketch the process on p - v and T - s coordinates. Show, on the diagrams, the areas that describe the work and heat transfer. 1. One lb of water in a piston-cylinder assembly, initially a saturated liquid at 1 atm, undergoes a constant-pressure, internally reversible expansion to x = 90%. Determine the work and heat transfer, each in Btu. Sketch the process on p - v and T - s coordinates. Show, on the diagrams, the areas that describe the work and heat transfer.