A cylinder covered by a piston contains 40 kg of a liquid–vapor mixture of water. The average specific volume of the mixture is 0.2 m3 /kg. The piston is pushed in till the volume is reduced to half...

A cylinder covered by a piston contains 40 kg of a liquid–vapor mixture of water. The average specific volume of the mixture is 0.2 m3 /kg. The piston is pushed in till the volume is reduced to half of the original volume. a. Define the system and its boundaries. b. Find the original volume of the system. c. Find the average density of the original liquid–vapor mixture. d. Find the average density of the fi nal liquid–vapor mixture.