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2.5 A Assumass. Detersein consistin Assume Mc -16, Mco2 mixture of ideal gases percent of CH4,25...
5. a) The composition of a mixture of nitrogen and carbon dioxide gases is 30%-N, and...
5. a) The composition of a mixture of nitrogen and carbon dioxide gases is 30%-N, and 70%- CO2 by mole fraction. What is the mass fraction of the nitrogen constituent?b) Nitrogen (N2) at 150 kPa, 40°C occupies a closed, rigid container having a volume of 1 m3. If 2 kg of oxygen (O2) is added to the container, what is the molar analysis of the resulting mixture? If the temperature remains constant, what is the pressure of the mixture, in...
A mixture of ideal gases has a specific heat ratio of k= 1.35 and an apparent...
A mixture of ideal gases has a specific heat ratio of k= 1.35 and an apparent molecular weight of M= 26 kg/kmol. Determine the work. in kJ/kg, required to compress this mixture isentropically in a closed system from 100 kPa and 35 C to 700 kPa. The universal gas constant is Ru 8.314 kJ/kmol-K Gas mixture k-1.35 100 kPa, 35°C The work required to compress this mixture is kJ/kg.
A mixture of gases has the composition given in Table 1. It has a total mass...
A mixture of gases has the composition given in Table 1. It has a total mass of 3.46 kg, and has an initial volume and temperature of 1.273 m3 and 300 K respectively. The mixture undergoes polytropic compression to a final volume of 0.5 m3. The polytropic index for this process is known to be 1.2. Table 1: Volumetric analysis of a mixture of gases Constituent Gas Chemical Symbol Volumetric Analysis ViV Molar Mass m˜i [kg/kmol] Specific Heat Capacity at...
During the expansion process of the ideal Otto cycle, the gas is a mixture whose volumetric...
During the expansion process of the ideal Otto cycle, the gas is a mixture whose volumetric composition is 28 percent nitrogen, 10 percent oxygen, 25 percent water, and 37 percent carbon dioxide. Calculate the thermal efficiency of this cycle when the air at the beginning of the compression is at 12 psia and 55°F, the compression ratio is 7, and the maximum cycle temperature is 1500°F. Model the heat-addition and heat-rejection processes using constant gas properties that are the average...
a) The composition of a mixture of nitrogen and carbon dioxide gases is 30%-N, and 70%-...
a) The composition of a mixture of nitrogen and carbon dioxide gases is 30%-N, and 70%- Co, by mole fraction. What is the mass fraction of the nitrogen constituent? [2 marks) b) Nitrogen (N.) at 150 kPa, 40°C occupies a closed, rigid container having a volume of 1m 2 kg of oxygen (0.) is added to the container, what is the motor analysis of the resulting mixture? If the temperature remains constant, what is the pressure of the mixture, In...
- Question 1 (a) In an ideal gas mixture, the partial pressure of a constituent gas...
- Question 1 (a) In an ideal gas mixture, the partial pressure of a constituent gas is: 25 points inversely proportional to the mole fraction inversely proportional to the square of the mole fraction equal to the mole fraction directly proportional to the mole fraction (b) The value of the universal molar gas constant is: 8.3145 J/(kmol) 8.3145 kJ/(kg) 8.3145 J/(kg) 8314.5 J/(kmol K) (c) A mixture of ideal gases consists of 4.42 kg of carbon monoxide (CO) and 5.91...
An ideal gas mixture consists of 35% Argon (Ar) and 65% carbon dioxide (CO2) gases, by...
An ideal gas mixture consists of 35% Argon (Ar) and 65% carbon dioxide (CO2) gases, by mass. The mixture is now expanded isentropically in a turbine from 1200K and 1.2 MPa to a pressure of 150 kPa. For the two components use properties listed in Table A1 and Table A2a (at 300K) – ideal gas with constant specific heats. The mixture temperature at turbine exit is, in Kelvin (round to nearest integer; for example if the answer is 345.6K, write...
Question 18 1 pts Problems 18-20 are based on the following description An insulated rigid tank...
Question 18 1 pts Problems 18-20 are based on the following description An insulated rigid tank is divided into two equal parts by a partition. Initially, one part contains 10 kg of an ideal gas with molar mass M-16 kg/kmol, a pressure of 330 kPa, and a temperature of 50 oC. The other part is evacuated. The partition is now removed and the gas fills the entire tank. (R. - 8.31447 kJ/kmol.K) The expansion work in kJ is closer to:...
4) An ideal-gas mixture of helium and nitrogen with a nitrogen mass fraction of 35 percent...
4) An ideal-gas mixture of helium and nitrogen with a nitrogen mass fraction of 35 percent is contained in a piston-cylinder device arranged to maintain a fixed pressure of 700 kPa. The mixture is heated from 300 K to 500 K a. Determine the molar mass and gas constant for the mixture. b. Determine the work produced, in kJ/kg. (Hint: Try finding the specific c. Determine the constant-volume and constant-pressure specific heats (Answer: 5.72 kg/kmol, 1.45 kJ/kg K) volumes at...
Question 3 An ideal gas mixture consists of 25 percent hydrogen, 50 oxygen, and 25 carbon...
Question 3 An ideal gas mixture consists of 25 percent hydrogen, 50 oxygen, and 25 carbon monoxide, based on mass. Perform a volumetric analysis to determine the molecular weight of the mixture, in kg/kmol. Question 4 A mixture of 0.6 iso-octane and 0.4 methanol, based on weight, is combined with air and combusted. Calculate the stoichiometric air fuel ratio.
A mixture of ideal gases has a specific heat ratio of k= 1.35 and an apparent molecular weight of M= 26 kg/kmol. Determine the work. in kJ/kg, required to compress this mixture isentropically in a closed system from 100 kPa and 35 C to 700 kPa. The universal gas constant is Ru 8.314 kJ/kmol-K Gas mixture k-1.35 100 kPa, 35°C The work required to compress this mixture is kJ/kg.
a) The composition of a mixture of nitrogen and carbon dioxide gases is 30%-N, and 70%- Co, by mole fraction. What is the mass fraction of the nitrogen constituent? [2 marks) b) Nitrogen (N.) at 150 kPa, 40°C occupies a closed, rigid container having a volume of 1m 2 kg of oxygen (0.) is added to the container, what is the motor analysis of the resulting mixture? If the temperature remains constant, what is the pressure of the mixture, In...
- Question 1 (a) In an ideal gas mixture, the partial pressure of a constituent gas is: 25 points inversely proportional to the mole fraction inversely proportional to the square of the mole fraction equal to the mole fraction directly proportional to the mole fraction (b) The value of the universal molar gas constant is: 8.3145 J/(kmol) 8.3145 kJ/(kg) 8.3145 J/(kg) 8314.5 J/(kmol K) (c) A mixture of ideal gases consists of 4.42 kg of carbon monoxide (CO) and 5.91...
Question 18 1 pts Problems 18-20 are based on the following description An insulated rigid tank is divided into two equal parts by a partition. Initially, one part contains 10 kg of an ideal gas with molar mass M-16 kg/kmol, a pressure of 330 kPa, and a temperature of 50 oC. The other part is evacuated. The partition is now removed and the gas fills the entire tank. (R. - 8.31447 kJ/kmol.K) The expansion work in kJ is closer to:...
4) An ideal-gas mixture of helium and nitrogen with a nitrogen mass fraction of 35 percent is contained in a piston-cylinder device arranged to maintain a fixed pressure of 700 kPa. The mixture is heated from 300 K to 500 K a. Determine the molar mass and gas constant for the mixture. b. Determine the work produced, in kJ/kg. (Hint: Try finding the specific c. Determine the constant-volume and constant-pressure specific heats (Answer: 5.72 kg/kmol, 1.45 kJ/kg K) volumes at...
Question 3 An ideal gas mixture consists of 25 percent hydrogen, 50 oxygen, and 25 carbon monoxide, based on mass. Perform a volumetric analysis to determine the molecular weight of the mixture, in kg/kmol. Question 4 A mixture of 0.6 iso-octane and 0.4 methanol, based on weight, is combined with air and combusted. Calculate the stoichiometric air fuel ratio.
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