Dear,
Liquid ethylene at 80 F and 1500 psig has following properties
ETHYLENE % 100
Vapor Fraction 0
Temperature F 80
Pressure psia 1514.7
Liquid Cp btu/lbmol/R 29.068
Liquid Density lb/ft3 20.236
Liquid Specific Gravity 60F@STP 0.35418
Liquid Viscosity cP 0.0366
Liquid Thermal Conductivity...