For a mixture of 5% methane by mass 15% ethane by mass 30% propane and 50%...
For a mixture of 5% methane by mass 15% ethane by mass 30% propane and 50% n-butane by mass at 40 degrees Fahrenheit, determine the dew point presure and bubble point pressure.
Vapor Pressures
Methane - 19720.03 kPa
Ethane - 2553. 95 kPa
Propane - 541.1 kPa
n-butane - 121.77 kPa
Homework Answers
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For a mixture of 5% methane by mass 15% ethane by mass
30% propane and 50%...
The following mixture of hydrocarbons is obtained as one stream in a peroleum refinery on a...
The following mixture of hydrocarbons is obtained as one stream in a peroleum refinery on a mole basis: 5% ethane, 10% propane, 40% n-butane, 45% isobutane. Assuming the shortcut K-ratio model. 1) compute the bubble point of the mixture at 5 bar. 2) compute the dew point of the mixture at 5 bar. 3) find the amounts and compositions of the vapor and liquid phases that would result if this mixture were to be isothermally flash vaporized at 30 degrees...
2. Using K-values, determine a) The liquid phase composition of a ethane/propane mixture with a bubble...
2. Using K-values, determine a) The liquid phase composition of a ethane/propane mixture with a bubble point of -30 Fat 50 psia. b) The compositions of liquid and vapor phase for a system that, during a flash point separation at -30 °F at 50 psia splits into 40 mole % liquid and 60 mole % vapor.
Question 1.3: A mixture consisting of 1 mol-% ethane, 5 mol-% propane, 44 mol-% n-butane, and 50 mol-% isobutane is bro...
Question 1.3: A mixture consisting of 1 mol-% ethane, 5 mol-% propane, 44 mol-% n-butane, and 50 mol-% isobutane is brought to a condition of 70 °F at pressure 44 psia. Using De-Priester charts determine the molar fractions of the liquid and vapour phases and their compositions [3 marks]
Question 1.3: A mixture consisting of 1 mol-% ethane, 5 mol-% propane, 44 mol-% n-butane, and 50 mol-% isobutane is brought to a condition of 70 °F at pressure 44 psia....
Question 1.2: A mixture contains ethane (1), propane (2), isobutane (3) and isopentane (4). If the temperature is maint...
Question 1.2: A mixture contains ethane (1), propane (2), isobutane (3) and isopentane (4). If the temperature is maintained constant at 60 °C. Using De-Priester calculate; (a) the bubble point pressure, given xl-0.10, x2 0.20, x3 0.30 (b) the dew point pressure, given y1-0.48, y2-0.25, y3-0.15 13 marks]
Question 1.2: A mixture contains ethane (1), propane (2), isobutane (3) and isopentane (4). If the temperature is maintained constant at 60 °C. Using De-Priester calculate; (a) the bubble point pressure, given...
The volume composition of a gas mixture is given as H2: 30%, CO: 35%, CO2:15%, N2:...
The volume composition of a gas mixture is given as H2: 30%, CO: 35%, CO2:15%, N2: 15% and H2O: 5%. Determine: (a) mass fraction of the component gases in the mixture, (b) gas constant of the mixture, (c) constant pressure specific heat of the mixture, (d) Dew Point of the water in the mixture, (e) How much heat must be transfered to heat the gas mixture stream from 100 kPa, 70oC to 95 kPa, 590oC, and how much will be...
Question 5 A fuel gas containing methane (CH) and ethane (CH) is burned with dry air...
Question 5 A fuel gas containing methane (CH) and ethane (CH) is burned with dry air in a furnace, producing a stack gas at 300 °C and 105 kPa (absolute). You analyze the stack gas and find that it contains no unburned hydrocarbons, oxygen, or carbon monoxide. You also determine the dew-point temperature. ICO concion a) If the fuel gas contains exclusively methane, what is the stack gas composition? What if the fuel gas is exclusively ethane? b) Estimate the...
QUESTION THREE a) A mixture of gases consists of 30 percent hydrogen, 40 percent helium, and...
QUESTION THREE a) A mixture of gases consists of 30 percent hydrogen, 40 percent helium, and 30 percent nitrogen by volume. Calculate: i) The mass fractions and ii) The apparent molecular weight of this mixture. (10 marks) b) A 30 percent (by mass) ethane and 70 percent methane mixture is to be blended in a 100 m tank at 130 kPa and 250 °C. If the tank is initially evacuated, to what pressure should ethane be added before methane is...
S. (10 marks) A gaseous mixture of ethane, CH3CH3 and propane, CH3CH2CH3 weighing 1.000 g is...
S. (10 marks) A gaseous mixture of ethane, CH3CH3 and propane, CH3CH2CH3 weighing 1.000 g is burned in excess oxygen, O2(g) to form water, Ha0(1) and 1676 mL of carbon dioxide, CO:(g) at 25.0 °C and 100 kPa. What was the percentage by mass of ethane in the original mixture? 4. (10 marks) When a 1.420 g sample of an organic compound composed of carbon, C, hydrogen, H and nitrogen, N was burned in excess oxygen, 3.950 g CO2 and...
The stream "1" consisting of yP1 mole % propane and yEl mole % ethane is blended...
The stream "1" consisting of yP1 mole % propane and yEl mole % ethane is blended with the stream "2" containing propane alone and the stream "3"containing nitrogen alone in a mixer in order to produce a gas mixture at Qp inch'/hr. The gas mixture produced with the streams "I". "2", and "3" contains xPP mass % propane, XEP mas % ethane, and XNP mass % nitrogen. The pressure and temperature of the product stream are PtPpsig and TP®F, respectively....
6. Problem 5.25 525. An ideal gas mixture contains 35% helium, 20% methane, and 45% nitrogen by volume at 200 atm a...
6. Problem 5.25 525. An ideal gas mixture contains 35% helium, 20% methane, and 45% nitrogen by volume at 200 atm absolute and 90°C. Calculate (a) the partial pressure of each component. (b) the mass fraction of methane, (c) the average molecular weight of the gas, and (d) the density of the gas in kgim 7. Problem 5.30 5.30. A fuel gas containing 86% methane, 8% ethane, and 6% propane by volume t ows to a furnace at a rate...
2. Using K-values, determine a) The liquid phase composition of a ethane/propane mixture with a bubble point of -30 Fat 50 psia. b) The compositions of liquid and vapor phase for a system that, during a flash point separation at -30 °F at 50 psia splits into 40 mole % liquid and 60 mole % vapor.
Question 1.3: A mixture consisting of 1 mol-% ethane, 5 mol-% propane, 44 mol-% n-butane, and 50 mol-% isobutane is brought to a condition of 70 °F at pressure 44 psia. Using De-Priester charts determine the molar fractions of the liquid and vapour phases and their compositions [3 marks]
Question 1.3: A mixture consisting of 1 mol-% ethane, 5 mol-% propane, 44 mol-% n-butane, and 50 mol-% isobutane is brought to a condition of 70 °F at pressure 44 psia....
Question 1.2: A mixture contains ethane (1), propane (2), isobutane (3) and isopentane (4). If the temperature is maintained constant at 60 °C. Using De-Priester calculate; (a) the bubble point pressure, given xl-0.10, x2 0.20, x3 0.30 (b) the dew point pressure, given y1-0.48, y2-0.25, y3-0.15 13 marks]
Question 1.2: A mixture contains ethane (1), propane (2), isobutane (3) and isopentane (4). If the temperature is maintained constant at 60 °C. Using De-Priester calculate; (a) the bubble point pressure, given...
Question 5 A fuel gas containing methane (CH) and ethane (CH) is burned with dry air in a furnace, producing a stack gas at 300 °C and 105 kPa (absolute). You analyze the stack gas and find that it contains no unburned hydrocarbons, oxygen, or carbon monoxide. You also determine the dew-point temperature. ICO concion a) If the fuel gas contains exclusively methane, what is the stack gas composition? What if the fuel gas is exclusively ethane? b) Estimate the...
QUESTION THREE a) A mixture of gases consists of 30 percent hydrogen, 40 percent helium, and 30 percent nitrogen by volume. Calculate: i) The mass fractions and ii) The apparent molecular weight of this mixture. (10 marks) b) A 30 percent (by mass) ethane and 70 percent methane mixture is to be blended in a 100 m tank at 130 kPa and 250 °C. If the tank is initially evacuated, to what pressure should ethane be added before methane is...
S. (10 marks) A gaseous mixture of ethane, CH3CH3 and propane, CH3CH2CH3 weighing 1.000 g is burned in excess oxygen, O2(g) to form water, Ha0(1) and 1676 mL of carbon dioxide, CO:(g) at 25.0 °C and 100 kPa. What was the percentage by mass of ethane in the original mixture? 4. (10 marks) When a 1.420 g sample of an organic compound composed of carbon, C, hydrogen, H and nitrogen, N was burned in excess oxygen, 3.950 g CO2 and...
The stream "1" consisting of yP1 mole % propane and yEl mole % ethane is blended with the stream "2" containing propane alone and the stream "3"containing nitrogen alone in a mixer in order to produce a gas mixture at Qp inch'/hr. The gas mixture produced with the streams "I". "2", and "3" contains xPP mass % propane, XEP mas % ethane, and XNP mass % nitrogen. The pressure and temperature of the product stream are PtPpsig and TP®F, respectively....
6. Problem 5.25 525. An ideal gas mixture contains 35% helium, 20% methane, and 45% nitrogen by volume at 200 atm absolute and 90°C. Calculate (a) the partial pressure of each component. (b) the mass fraction of methane, (c) the average molecular weight of the gas, and (d) the density of the gas in kgim 7. Problem 5.30 5.30. A fuel gas containing 86% methane, 8% ethane, and 6% propane by volume t ows to a furnace at a rate...
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