Question

19) (12 pts)Considered a CHa storage tank with a volume of 49.0 L. When empty, the tank has a mass of 55.85 kg, and when filled, its mass is 62.07 kg. Calculate the pressure of CH in the tank at an ambient temperature of 21 °C using both the ideal enas equation and the van der Wals equation What is the percentage corection achieved by using the more realistic van der Waals equation? (a 2.253 (atm.L2.molb 0.04278 (L.mol"'))

Answer 1

6220 - 6.22 Mo 643 294 k p 6220 x c 821x294, 141498 Calesti psessure usine Vande 3.253 (388 75) 3352570.2 8830.0 x 291 P+ 68.991 49-139383-1 ー16-63 J = 9383, 41 Con tined

9383ーリー-42-94 32.37 257.87-62.75 Pressure coreehon 2-226.93 一邪了 ° correction 191.S