Air is trapped in the piston in the cylinder. A spring is connected to the upper portion of the piston and returns the force upon compression by the F = -kx equation. k = 50,000 N/m and x is the distance traveled when the piston is compressed. The piston is located 10 cm above the bottom of the cylinder with a cross-sectional area of 0.01 m2 and an initial condition of 1 bar and 25°C. In this state, the spring does not apply force to the piston. At this time, the system was reversibly heated and the temperature rose to 100°C. (a) What happened was (b) What is the heat transferred

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