A) Utilizing only the steam tables, evaluate the fugacity of steam at 400 C and 2 MPa and at 400 C and 50 MPa.
B) Evaluate the fugacity of steam at 400 C and 2 MPa utilizing the principle of corresponding states. Repeat the computation for 400 C and 50 MPa.
C) Repeat the calculations utilizing the Peng-Robinson equation of state.