Kinsey wants an apple and then goes back to soccer practice. She runs down the field to kick a goal. She is changing energy into energy. A. Electric to heat, B. Chemical to mechanical, C. Mechanical to kinetic, or D. Chemical to electric?

Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.