Consider a spherical container of volume 1 m3 . The container has 1000 moles of propane (C3H8) at 17.0 atm and 323 K. The PVT properties of propane can be described by SRK equation of state: = 0.08206 / ( 0.06262) (10.28 / ( + 0.06262)) Where P is in atm, is in L/mol and T in K.

a) At the above conditions if both liquid and vapor exists, calculate the number of moles of propane in the liquid phase.

b) If 150 L of propane (at standard conditions) is added isothermally, what will be the pressure in the container.

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