A steam contains 55 mol% n-pentane, 25 mol%n-hexane and 20 mole% n-heptane is to be processed...

A steam contains 55 mol% n-pentane, 25 mol%n-hexane and 20 mole% n-heptane is to be processed at 69°C. The following data are available. Data at 69°C P(pentane)vap.= 2.755 bar, P(hexane)vap.=1.021 bar and P(heptane) vap.=0.390 bar. a) What is the bubble point pressure of this mixture and vapor composition that results? b) What are the dew point of this mixture and the liquid composition that results?

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genius_generous answered 2 years ago

mixture of 45 mole% n-hexane and 55 mole % n-heptane is subjected to continuous fraction in...

mixture of 45 mole% n-hexane and 55 mole % n-heptane is subjected to continuous fraction in a tray column at 1 atm total pressure. The distillate contains 95% n-hexane and the residue contains 5% n-hexane. The feed is saturated liquid. A reflux ratio of 2.5 is used. The relative volatility of n-hexane in mixture is 2.36. Determine the number of ideal trays required.

A mixture containing 20 mole % butane, 35 mole % pentane and 45 mole % hexane...

A mixture containing 20 mole % butane, 35 mole % pentane and 45 mole % hexane is to be separated by fractional distillation into a distillate product with a composition 95 mole % butane, 4 mole % pentane and 1 mole % hexane, and a bottoms product. The recovery of butane in the distillate must be 90%. Determine the composition of the bottoms product.

100 moles/min of a mixture of 40 mol% n-pentane and 60 mol% n-heptane are fed through...

100 moles/min of a mixture of 40 mol% n-pentane and 60 mol% n-heptane are fed through a valve into a flash tank. The flash tank operates at 600 mmHg. A T-xy diagram is provided on the next page. (a) Determine the bubble point and dew point of the feed mixture at 600 mmHg. (b) If the flash tank is operating at 60 0C determine; a. the compositions of the streams leaving the flash tank b. the flow rate in liters/min...

Calculate the vapor pressure at 80 C of a mixture of 35 mol % hexane and 65 mol % heptane.

Calculate the vapor pressure at 80 C of a mixture of 35 mol % hexane and 65 mol % heptane. Calculate the mol fraction of each compound in the vapor in equilibrium with the mixture in (1). If a simple distillation were to be performed on this mixture( from question 1 ), what would be the composition of the initial distillate? Suppose the mixture was to be distilled using a very efficient fractional distillation column. what would the composition of...

One mole of n-butane and one mole of n-pentane are charged into a container. The container...

One mole of n-butane and one mole of n-pentane are charged into a container. The container is heatedto 180 oF where the pressure reads 100 psia. Determine the quantities and composition of the phases in the container.

Two hundred kg of liquid contains 40% pentane, and rest hexane. Pentane MW is 72.15 g/...

Two hundred kg of liquid contains 40% pentane, and rest hexane. Pentane MW is 72.15 g/ gmol and SG (20C/4C) is 0.17. Hexane MW is 86.17 g/ gmol and SG (20C/4C) is 0.659. Determine a) the total number of moles, b) the mole fraction composition of the liquid, c) the average molecular weight and d) the average density of the solution.

A distillation column receives a feed that is 40 mole % n-pentane and 60 mole %...

A distillation column receives a feed that is 40 mole % n-pentane and 60 mole % n-hexane. The feed is saturated liquid at 2,500 lbmol/hr. The column is at 1 atm. A distillate that is 97 mole % n-pentane is desired. A total condenser is used. The reflux is a saturated liquid. The external reflux ratio is L0/D = 3. The bottoms from the partial reboiler is 2 mole % n-pentane. Determine the intersection (xq, yq) of the q-line with...

#3 Consider a system that is 30 % n-Butane, 40 % n-pentane and 30 % n-hexane....

#3 Consider a system that is 30 % n-Butane, 40 % n-pentane and 30 % n-hexane. a. Estimate the bubble pressure at a temperature of 80 C. What would be the composition of the vapor formed? b. Estimate the dew pressure at 80 C. What would be the composition of the liquid formed? c. Estimate the bubble temperature at a pressure of 2 atm? What would be the composition of the vapor formed? d. If this mixture was at 100...

Physical Chemistry Estimate the bubble point and dew point temperatures of a 25 mol % n-pentane,...

Physical Chemistry Estimate the bubble point and dew point temperatures of a 25 mol % n-pentane, 45 mol % n-hexane, and 30 mol % n-heptane mixture at 1.013 bar. Data: lnP5vap = 10.422 - 26,799 / RT δ5 = 7.02 (Cal/cc)(1/2) lnP6vap = 10.456 - 29,676 / RT δ6 = 7.27 (Cal/cc)(1/2) lnPvap7 = 11.431 - 35,200 / RT δ7 = 7.43 (Cal/cc)(1/2) For P in bar, T in K, and R = 8.314 J/(mol * K); The subscripts 5,6,7...

Consider a mixture of 30% n-butane, 35% n-hexane, 35% n-heptane. If the pressure is 202 kPa,...

Consider a mixture of 30% n-butane, 35% n-hexane, 35% n-heptane. If the pressure is 202 kPa, calculate the bubble point temperature in ?C and the unknown mole fractions. Specify whether the unknown mole fractions are vapor or liquid. .

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