Table of Thermodynamic Properties of CO2 as Ideal Gas How do I calculate out of range data?

A 0.103-m³ tank contains 8.6x1026 molecules of N₂ at 17 MPa. Compute the (a) specific volume. Also, determine the temperature in the tank using (b) the Van der Waals equation, (c) Beattie- Bridgeman equation and (d) Benedict-Webb-Rubin equation of state. Compare each temperature you obtained with the actual value (which is 182.8 K) by computing the % error.

Sea water at 20ºC and 1 bar. If the salt mole fraction in the water is 0.01, what is the entropy of H2O in the sea water? Note: the question can be analyzed by the ideal solution, and it is as follows: Si=niSmi0-niRlnx

Please explain it well, thank you so much.

How did you assume the coefficient of discharge Cd? Did you get it from a table?    Thx

Short Answer: When you add salt to water, the boiling point is elevated. Briefly connect this to ideal solutions vs non-ideal solutions  and mention how inter-molecular forces are involved. If two components were added together and the resulting mixture approximated an ideal solution, what do you expect to be true about the molecular nature of the two components, do you expect them to be similar or dissimilar, why?

Describe the significance of the Gibbs theorem for ideal gases.

please type out or diagrams so that it is easy to read

Please useBook: Introduction to Chemical Engineering Thermodynamics 8 edition, 2018 (Smith, J.M., Van Ness, H.C., Abbot, M.M., Swihart.)