3. Calculate the volume occupied by 50 kg of propane at 35 bar and 50°C (Hint: Use Tables in Appendix and try solve equation numerically), using.

a) The ideal gas model

b) The Redlich-Kwong equation of state

c) The Peng-Robinson equation of state

d) The compressibility charts

e) The online Redlich-Kwong equation of state: http://old.vscht.cz/fch/software/redlich-kwong-2.html