Calculate the bubble and dew pressure at 55 °c

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Reference no: EM131155679

Problem 11.2: A mixture contains n-pentane, n-hexane, and n-heptane at equal mole fractions. The temperature is 55 °C.

a) Calculate the bubble and dew pressure at 55 °C.

b) What is the phase of the system at 1.7 bar, 55 °C? If a two-phase system, calculate the amount and composition of each phase.

c) Repeat the previous part at 0.5 bar.

d) The pressure is adjusted so that 75% of the mixture is vapor while the temperature remains at 55 °C. Determine the pressure and the compositions of the two phases.

Additional data: At 55 °C the vapor pressures of n-C5 , n-C6 , and n-C7 are 1.903 bar, 0.644 bar, and 0.231 bar respectively.

Reference no: EM131155679

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