Please help me with this problem using steam tables :,( A cylinder-piston system contains 2 kg of H2O at 150 kPa and has a volume of 0.35 m3. The piston moves causing the final volume in the cylinder to be 2.314 m3. During the movement of the piston from the initial to the final state there is heat transfer into the cylinder, which keeps the temperature constant.
a) What is the final pressure in the cylinder?
b) How much work did the water vapor do?
c) Evaluate the heat transfer during the process.
d) Draw the process in P-v and P-h diagrams, marking the initial state as 1 and the final state as 2.

Aloaded platform of total mass 500 kg is supported by a dashpot and by a set of springs of effective stiffness 72 kn/m. it is observed that when the platform is depressed through a distance x = 12.5 cm below its equilibrium position and then released without any initial velocity; it reaches its equilibrium position in the shortest possible time without overshoot. find the position and velocity of the loaded platform 0.10 sec. after its release. if a further load of 400 kg is added to the platform, find, i) the frequency of damped vibrations, and i) the amplitude of vibration after 2 complete oscillations, given that the initial amplitude is 15 cm.

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false

A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.