Question

A piston–cylinder device contains 0.05 m3 of a gas initially at 200 kPa.
At this state, a linear spring that has a spring constant of 150 kN/m is
touching the piston but exerting no force on it. Now heat is transferred to
the gas, causing the piston to rise and to compress the spring until the
volume inside the cylinder doubles. If the cross-sectional area of the piston
is 0.25 m2, determine (a) the final pressure inside the cylinder, (b) the total
work done by the gas, and (c) the fraction of this work done against the
spring to compress it.

Answer 1

Answer:

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