This problem concerns a compound which, in the vapor phase, is described by the equation of state:
PV = RT + (BP3) Where B = 0.005 L mol-1atm-2
In the liquid phase, the molar volume is constant at 0.150 L/mol.
The vapor pressure can be modeled using the Antoine equation, with A=7.500, B=1400, C=225, temperature expressed in Celsius and pressure expressed in mm Hg.
A) Derive an algebraic expression for the fugacity of the compound in the vapor phase, as a function of temperature and pressure.
B) Use the Antoine equation to estimate the vapor pressure at 200 ?C.
C) Estimate the fugacity of the compound in the liquid phase at 200 ?C and 100 atm.
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