Exercises 2.1, 2.2, 2.5, 2.7 from Yuri Galperin Textbook
http://www.uio.no/studier/emner/matnat/fys/FYS4130/v14/documents/problems203_nosolutions.pdf
Formulas in this textbook are given for 1 mole of gas, the volume v=V*N_A/N and constants a and b are different than in (1.3) of the compendium by factor N_A.
Solutions can be found here: http://folk.uio.no/larissa/nuclphys/prob_1_FYS4130.pdf
Seminar will take place in room FO 262 from 1215-1400