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A gaseous mixture with a molar analysis of 20% CO2, 40% CO, and 40% O2 enters...
A gas mixture at 1500 K with the molar analysis 10% C02, 20% H2O, 70% N2...
A gas mixture at 1500 K with the molar analysis 10% C02, 20% H2O, 70% N2 enters a waste-heat boiler operating at steady state, and exits the boiler at 750 K. A separate stream of saturated liquid water enters at 25 bar and exits as saturated vapor with a negligible pressure drop. Ignoring stray heat transfer and kinetic and potential energy changes, determine the mass flow rate of the exiting saturated vapor, in kg per kmol of gas mixture
5) Carbon dioxide (CO2) and oxygen (O2) in a 1:2 molar ratio enter a reactor operating...
5) Carbon dioxide (CO2) and oxygen (O2) in a 1:2 molar ratio enter a reactor operating at steady state in separate streams at 1 atm, 127°C and 1 atm, 277°C, respectively. An equilibrium mixture of CO2, CO, and O2 exits at 1 atm. If the mole fraction of CO in the exiting mixture is 0.1, determine the rate of heat transfer from the reactor, in kJ per kmol of CO2 entering. Ignore kinetic and potential energy effects. (Ans: 425239 kJ/kmol)
Problem 1 A mixture having mole fractions of 37% N2, 50% CO2, 10% O2 and 3%...
Problem 1 A mixture having mole fractions of 37% N2, 50% CO2, 10% O2 and 3% CO flows through a turbine with Ti = 100° C and P1 = 200 kPa. Analyze the gas mixture to find: (a) the mass fractions of the components (b) the equivalent molar mass (c) the gas constant for the mixture (d) the specific heat at constant pressure (Cp) and the specific heat ratio (k) for the mixture power output by a turbine with exit...
2. The molar analysis of an ideal gas mixture entering a turbine is as follows: 4% CO2, 5% H20, 1...
2. The molar analysis of an ideal gas mixture entering a turbine is as follows: 4% CO2, 5% H20, 13.8% 02, and 77.2% N2 at 900 K, 10 bar. The mixture expands adiabatically to 400 K, 1 bar. Neglecting kinetic and potential effects, determine a. The gravimetric analysis b. The apparent molecular weight of the mixture, in kg/kmol c. The partial pressures of each of the components of the gas mixture entering and exiting the turbine, d. e. in bar...
(6 marks) An easy way to analyse the amount of CO2 in a gaseous mixture of CO2 and CO is to pass the gaseous mixture through an aqueous solution that contains excess Ba(OH)2. The CO2 will react...
(6 marks) An easy way to analyse the amount of CO2 in a gaseous mixture of CO2 and CO is to pass the gaseous mixture through an aqueous solution that contains excess Ba(OH)2. The CO2 will react yielding a precipitate of BaCOs but the CO does not react (you will learn why in higher classes). The aforementioned method was used to analyse the equilibrium composition of the gas evolved when 1.77 g of CO2 reacted with 2.0 g of graphite...
Problem 2: Non-reacting Ideal Gas Mixture (30 pts) 5 kmole/s of a mixture of carbon monoxide CO (...
Problem 2: Non-reacting Ideal Gas Mixture (30 pts) 5 kmole/s of a mixture of carbon monoxide CO (40% molar) and Nz (60% molar) at 47°C and 2 bar (state 1) is mixed with of a mixture of carbon dioxide CO2 (55% molar) and N2 (45% molar) at 147°C (state 2) to obtain a mixture at state 3 with 77°C, The heat transfer to the surrounding is neglected. Determine: a) b) c) The mole flow rate n2 in kmole/s. (18 pts)...
One gram-mole each of CO2, O2, and N2 are fed to a batch reactor and heated to 3000 K and 5.0 atm...
One gram-mole each of CO2, O2, and N2 are fed to a batch reactor and heated to 3000 K and 5.0 atm. The two reactions given here proceed to equilibrium (also shown are the equilibrium constants at 3000 K) 1. PcoPo0.3272 atm Pco2 PNO0.1222 (po.PN2) Calculate the equilibrium composition (component mole fractions) of the reactor contents. [Suggestion: Express K, and K2 in terms of the extents of the two reactions, ζ, andる. (See Section 4.6d.) Then use Excel's Solver to...
Oil enters a counterflow heat exchanger at 600 K with a mass flow rate of 10...
Oil enters a counterflow heat exchanger at 600 K with a mass flow rate of 10 kg/s and exits at 275 K. A separate stream of liquid water enters at 20°C, 5 bar. Each stream experiences no significant change in pressure. Stray heat transfer with the surroundings of the heat exchanger and kinetic and potential energy effects can be ignored. The specific heat of the oil is constant, c = 2 kJ/kg · K. If the designer wants to ensure...
Question 3: (20) Consider the equilibrium reaction Co2+ co +02 At 12atm and 2800K the equilibrium...
Question 3: (20) Consider the equilibrium reaction Co2+ co +02 At 12atm and 2800K the equilibrium mole fraction of a particular mixture of CO2, CO are 1ci c. 0.6512, 02718 respectively. Determine the equilibrium constant for this situation. Question S:(30) Estimate the constant pressure adiabatic flame tem stoichiometric Cahie-air mixture. The initial pressure and temperature are latm and perature for the combustion of a sto respectively. Use the following assumptions: 1 1. "Complete combustion" (no dissociation), the product mixture consists...
(a) A vessel contains a gaseous mixture of composition by volume 80% H2, and 20% CO....
(a) A vessel contains a gaseous mixture of composition by volume 80% H2, and 20% CO. It is desired that the mixture should be made in the proportion 50% H2 and 50% CO by removing some of the mixture and adding some CO. Calculate, per kilomole of mixture, the mass of mixture to be removed and the mass of CO to be added. The pressure and temperature in the vessel remain constant during the process. Take the molar mass of...
A gas mixture at 1500 K with the molar analysis 10% C02, 20% H2O, 70% N2 enters a waste-heat boiler operating at steady state, and exits the boiler at 750 K. A separate stream of saturated liquid water enters at 25 bar and exits as saturated vapor with a negligible pressure drop. Ignoring stray heat transfer and kinetic and potential energy changes, determine the mass flow rate of the exiting saturated vapor, in kg per kmol of gas mixture
5) Carbon dioxide (CO2) and oxygen (O2) in a 1:2 molar ratio enter a reactor operating at steady state in separate streams at 1 atm, 127°C and 1 atm, 277°C, respectively. An equilibrium mixture of CO2, CO, and O2 exits at 1 atm. If the mole fraction of CO in the exiting mixture is 0.1, determine the rate of heat transfer from the reactor, in kJ per kmol of CO2 entering. Ignore kinetic and potential energy effects. (Ans: 425239 kJ/kmol)
Problem 1 A mixture having mole fractions of 37% N2, 50% CO2, 10% O2 and 3% CO flows through a turbine with Ti = 100° C and P1 = 200 kPa. Analyze the gas mixture to find: (a) the mass fractions of the components (b) the equivalent molar mass (c) the gas constant for the mixture (d) the specific heat at constant pressure (Cp) and the specific heat ratio (k) for the mixture power output by a turbine with exit...
2. The molar analysis of an ideal gas mixture entering a turbine is as follows: 4% CO2, 5% H20, 13.8% 02, and 77.2% N2 at 900 K, 10 bar. The mixture expands adiabatically to 400 K, 1 bar. Neglecting kinetic and potential effects, determine a. The gravimetric analysis b. The apparent molecular weight of the mixture, in kg/kmol c. The partial pressures of each of the components of the gas mixture entering and exiting the turbine, d. e. in bar...
(6 marks) An easy way to analyse the amount of CO2 in a gaseous mixture of CO2 and CO is to pass the gaseous mixture through an aqueous solution that contains excess Ba(OH)2. The CO2 will react yielding a precipitate of BaCOs but the CO does not react (you will learn why in higher classes). The aforementioned method was used to analyse the equilibrium composition of the gas evolved when 1.77 g of CO2 reacted with 2.0 g of graphite...
Problem 2: Non-reacting Ideal Gas Mixture (30 pts) 5 kmole/s of a mixture of carbon monoxide CO (40% molar) and Nz (60% molar) at 47°C and 2 bar (state 1) is mixed with of a mixture of carbon dioxide CO2 (55% molar) and N2 (45% molar) at 147°C (state 2) to obtain a mixture at state 3 with 77°C, The heat transfer to the surrounding is neglected. Determine: a) b) c) The mole flow rate n2 in kmole/s. (18 pts)...
One gram-mole each of CO2, O2, and N2 are fed to a batch reactor and heated to 3000 K and 5.0 atm. The two reactions given here proceed to equilibrium (also shown are the equilibrium constants at 3000 K) 1. PcoPo0.3272 atm Pco2 PNO0.1222 (po.PN2) Calculate the equilibrium composition (component mole fractions) of the reactor contents. [Suggestion: Express K, and K2 in terms of the extents of the two reactions, ζ, andる. (See Section 4.6d.) Then use Excel's Solver to...
Question 3: (20) Consider the equilibrium reaction Co2+ co +02 At 12atm and 2800K the equilibrium mole fraction of a particular mixture of CO2, CO are 1ci c. 0.6512, 02718 respectively. Determine the equilibrium constant for this situation. Question S:(30) Estimate the constant pressure adiabatic flame tem stoichiometric Cahie-air mixture. The initial pressure and temperature are latm and perature for the combustion of a sto respectively. Use the following assumptions: 1 1. "Complete combustion" (no dissociation), the product mixture consists...
(a) A vessel contains a gaseous mixture of composition by volume 80% H2, and 20% CO. It is desired that the mixture should be made in the proportion 50% H2 and 50% CO by removing some of the mixture and adding some CO. Calculate, per kilomole of mixture, the mass of mixture to be removed and the mass of CO to be added. The pressure and temperature in the vessel remain constant during the process. Take the molar mass of...
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