As shown in the figure below, a cylinder fitted with a piston is filled with 600 lb of saturated liquid ammonia at 35°F. The piston weighs 1 ton and has a diameter of 2.5 ft. Patm = 1 atm Piston Ammonia Saturated liquid - Weight = 1 ton D=2.5 ft What is the volume occupied by the ammonia, in ft³? Ignoring friction, determine the force required, in lbf, by mechanical attachments, such as stops, to hold the piston in place.

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