Question: A vertical pistoncylinder device initially contains 0.01 m3 of steam at 200C. The mass of the frictionless piston is such that it maintains a constant

A vertical piston–cylinder device initially contains 0.01 m3 of steam at 200°C. The mass of the frictionless piston is such that it maintains a constant pressure of 500 kPa inside. Now steam at 1 MPa and 350°C is allowed to enter the cylinder from a supply line until the volume inside doubles. Neglecting any heat transfer that may have taken place during the process, determine
(a) The final temperature of the steam in the cylinder and
(b) The amount of mass that has entered.

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