Which of the following best describes an objective statement? A. an understanding to follow certain procedures
B. a goal or aim
C. a subset of specific information
D. a written contract

Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.