Many people use propane as a fuel to heat their houses or to cook outdoors. Small amounts of propane can be purchased at gas stations and convenience stores. (https://bluerhino.com/ ) The Antiones equation for propane is:

10( ) = 4.53678 1149.36 + 24.906

Where is in bar and T is in Kelvin.

A full propane tank for running an outdoor grill stores 4.6 gallons of propane at 200 psia. What is the phase of the propane inside the tank when the temperature is 75F (297 K)?