Question

Find specific volume of Refrigerant R-12 under the circumstances of 400kPa of pressure and 43.9 °C of temperature:
a) Using ideal gas law, b) Using compressibility factor diagram, c) Using Van der Waals equation of state, d) Using the relevant tables. e) Calculate relative percentages of errors for (a), (b), (c) acknowledging the option (d) is true (relative to (d)).

Answer 1

etinjen 디 2 116 mo) Pz 400x lo a T: 316.9K (nus const nt R -R S. 3)4 - moi 11% Molecular e, e i yt Co din ら leay R-12 CTe) As pィ

) Vanden wadls e1, 64 γ k mol k mol, mole m -3 (IK 75. 2S Solving e1 니 chon At 4。。kPuf 43.9"c speci tis volymer

Το γ q)