1. How arc the assumptions of kina tic theory given in Section 9-2 changed in the develop of the Horn and the van der Waals equations of state?? 2. The critical temperature of ?and the critical pressure is 73 atm. Assume that C02 obeys the van der Waals equation. (a) Show that the critical density ?b) Show that the diameter of a C02 molecule is 3.2 10-10 m.