Qn 2: Dew/Bubble Point Calculations Assuming the validity of the De Priester charts, make the following VLE calculations for the methane (1) /ethylene (2) /ethane (3) system: (a) BUBL P, given 1=0.10,x2=0.50, and t=60(F) (b) Dew P, given y1=0.50,y2=0.25, and t=60(F) (c) BUBL T, given 1=0.12,x2=0.40, and P=250(psia) (d) Dew T, given y1=0.43,y2=0.36, and P=250(psia)