Thermodynamics: An Engineering Approach
8th Edition
ISBN: 9780073398174
Author: Yunus A. Cengel Dr., Michael A. Boles
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 13.3, Problem 101FEP
An ideal-gas mixture whose apparent molar mass is 20 kg/kmol consists of N2 and three other gases. If the mole fraction of nitrogen is 0.55, its mass fraction is
- (a) 0.15
- (b) 0.23
- (c) 0.39
- (d) 0.55
- (e) 0.77
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
The volumetric analysis of a mixture of gases is 25 percent oxygen, 35 percent nitrogen, 5 percent carbon dioxide, and 35 percent
methane. Calculate the apparent specific heats and molecular weight of this mixture of gases. The universal gas constant is Ru= 8.314
kJ/kmol-K. Use the table containing the molar mass, gas constant, and critical-point properties and the table containing the ideal-gas
specific heats of various common gases.
The apparent molecular weight of this mixture of gases is
The constant-pressure specific heat of the mixture is
The constant-volume specific heat of the mixture is
kg/kmol.
kJ/kg-K.
kJ/kg-K.
The gas constant of CO2, N2, and He are 0.1889, 0.2968, and 2.077 kJ/kg-°K
respectively. The three are mixed with 0.4 kg CO2, 0.7 kg, N2, and 0.05 kg He.
The mixture has a temperature of 35°C and pressure of 180 kPa. Calculate the
volume of the mixture in cubic meters.
0.1598
0.6625
0.7856
A gas mixture has the following composition on a mole basis: 60 percent N₂ and 40 percent CO2. Determine the gravimetric analysis
of the mixture, its molar mass, and the gas constant. The universal gas constant is Ru= 8.314 kJ/kmol-K. Use the table containing the
molar mass, gas constant, and critical-point properties.
The mass fraction of N₂ is 48.8 %.
The mass fraction of CO2 is 51.2 %.
The molar mass of the mixture is
The gas constant of the mixture is
197 kg/kmol.
197 kJ/kg-K.
Chapter 13 Solutions
Thermodynamics: An Engineering Approach
Ch. 13.3 - Consider a mixture of several gases of identical...Ch. 13.3 - Somebody claims that the mass and mole fractions...Ch. 13.3 - The sum of the mole fractions for an ideal-gas...Ch. 13.3 - Consider a mixture of two gases. Can the apparent...Ch. 13.3 - What is the apparent molar mass for a gas mixture?...Ch. 13.3 - Prob. 6PCh. 13.3 - Consider a mixture of two gases A and B. Show that...Ch. 13.3 - The composition of moist air is given on a molar...Ch. 13.3 - Prob. 9PCh. 13.3 - Prob. 10P
Ch. 13.3 - Prob. 11PCh. 13.3 - Prob. 12PCh. 13.3 - Prob. 13PCh. 13.3 - Is a mixture of ideal gases also an ideal gas?...Ch. 13.3 - Express Daltons law of additive pressures. Does...Ch. 13.3 - Express Amagats law of additive volumes. Does this...Ch. 13.3 - How is the P-v-T behavior of a component in an...Ch. 13.3 - Prob. 18PCh. 13.3 - Prob. 19PCh. 13.3 - Prob. 20PCh. 13.3 - Prob. 21PCh. 13.3 - Consider a rigid tank that contains a mixture of...Ch. 13.3 - Is this statement correct? The volume of an...Ch. 13.3 - Is this statement correct? The temperature of an...Ch. 13.3 - Is this statement correct? The pressure of an...Ch. 13.3 - Prob. 26PCh. 13.3 - Prob. 27PCh. 13.3 - Prob. 28PCh. 13.3 - 13–29 A gas mixture at 350 K and 300 kPa has the...Ch. 13.3 - Prob. 30PCh. 13.3 - Prob. 31PCh. 13.3 - A rigid tank that contains 2 kg of N2 at 25C and...Ch. 13.3 - Prob. 33PCh. 13.3 - Prob. 34PCh. 13.3 - Prob. 35PCh. 13.3 - Prob. 36PCh. 13.3 - A 30 percent (by mass) ethane and 70 percent...Ch. 13.3 - Prob. 38PCh. 13.3 - Prob. 39PCh. 13.3 - Prob. 40PCh. 13.3 - Prob. 41PCh. 13.3 - Prob. 42PCh. 13.3 - Prob. 43PCh. 13.3 - Is the total internal energy of an ideal-gas...Ch. 13.3 - Prob. 45PCh. 13.3 - Prob. 46PCh. 13.3 - 13–47C Is the total internal energy change of an...Ch. 13.3 - Prob. 48PCh. 13.3 - Prob. 49PCh. 13.3 - The volumetric analysis of a mixture of gases is...Ch. 13.3 - Prob. 52PCh. 13.3 - Prob. 53PCh. 13.3 - Prob. 54PCh. 13.3 - Prob. 55PCh. 13.3 - Prob. 56PCh. 13.3 - An insulated tank that contains 1 kg of O2at 15C...Ch. 13.3 - Prob. 59PCh. 13.3 - Prob. 60PCh. 13.3 - Prob. 61PCh. 13.3 - Prob. 62PCh. 13.3 - Prob. 63PCh. 13.3 - Prob. 64PCh. 13.3 - Prob. 66PCh. 13.3 - Prob. 67PCh. 13.3 - Prob. 69PCh. 13.3 - A pistoncylinder device contains 6 kg of H2 and 21...Ch. 13.3 - Prob. 71PCh. 13.3 - Prob. 72PCh. 13.3 - Prob. 73PCh. 13.3 - Prob. 74PCh. 13.3 - Prob. 75PCh. 13.3 - Prob. 76PCh. 13.3 - Prob. 77PCh. 13.3 - Prob. 78PCh. 13.3 - Prob. 80PCh. 13.3 - Prob. 81PCh. 13.3 - Fresh water is obtained from seawater at a rate of...Ch. 13.3 - Prob. 83PCh. 13.3 - Prob. 84RPCh. 13.3 - The products of combustion of a hydrocarbon fuel...Ch. 13.3 - Prob. 89RPCh. 13.3 - Prob. 91RPCh. 13.3 - Prob. 92RPCh. 13.3 - A spring-loaded pistoncylinder device contains a...Ch. 13.3 - Prob. 94RPCh. 13.3 - Reconsider Prob. 1395. Calculate the total work...Ch. 13.3 - A rigid tank contains a mixture of 4 kg of He and...Ch. 13.3 - Prob. 97RPCh. 13.3 - Prob. 100RPCh. 13.3 - An ideal-gas mixture whose apparent molar mass is...Ch. 13.3 - 13–102 An ideal-gas mixture consists of 2 kmol of...Ch. 13.3 - An ideal-gas mixture consists of 2 kmol of N2and 4...Ch. 13.3 - Prob. 104FEPCh. 13.3 - Prob. 105FEPCh. 13.3 - An ideal-gas mixture consists of 3 kg of Ar and 6...Ch. 13.3 - Prob. 107FEPCh. 13.3 - Prob. 108FEPCh. 13.3 - Prob. 109FEPCh. 13.3 - Prob. 110FEP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- The composition of a mixture of gases 60% carbon dioxide, 20%oxygen and 20% Helium by volume. What is the apparent molecular weight of this mixture?arrow_forwardThe pressure and temperature of a mixture of equal masses of hydrogen are 120 kPa and 27 degree celcius. The gas constants of hydrogen and oxgen are 4.125 and 0.2598 kJ/kg-K respectively. Calculate the partial pressure of ocygen in Kpa.arrow_forwarduestion 4: (a) An 88-litre gas cylinder is filled with propane gas at a pressure of 1.15 MPa and 18°C. The propane is used to fuel a gas burner. After some time, the pressure and temperature are 210 kPa and 23°C respectively. Determine the mass of propane used. The molar mass of propane is 44 g/mole. (b) A piston-cylinder device filled with air at 365 kPa and 12°C, has an initial volume of 1.3 litres. The air is expanded at constant pressure to a volume of 3.6 litres and 516°C. Determine the amount of heat and work involved in this process and state whether the heat and work are into, or out of the gas.arrow_forward
- A rigid tank contains 2 kg of N, and 4 kg of CO₂ at a temperature of 25° C and 2 MPa. Determine: (a) the partial pressure of the two gases (b) the gas constant of the mixturearrow_forwardGaseous hydrogen weakens the mechanical strength of cast iron. this phenomenon often occurs in cast iron pressure vessels containing 100% gas hydrogen. H2 gas dissolves in metallic iron and diffuses into solid non-porous iron by an interstitial diffusion mechanism. H2 gas does not need to penetrate far into the iron to have a negative effect on the mechanical strength of iron. In the present situation, 100% of H2 gas at 1.0 atm and 100°C is contained within a 1.0 m internal diameter and wall thickness of 2.0 cm. The solubility of hydrogen in iron in 100°C is 2.2x10-7 mol of H/g Fe atoms. The diffusion coefficient of atoms of hydrogen in solid iron is 124.0x10-9 cm2 /sec at 100°C. Initially, there are no H atoms in solid iron. How many hours will it take for the hydrogen level inside the iron metal reaches 1.76x10-7 mol H atoms/g Fe at a depth of 0.1 cm from the surface exposed to hydrogen gas?arrow_forwardIn a closed container of constant volume, there is a gas mixture of 10kmol 02 and 20kmol Co2. The pressure and temperature of the mixture are 150 kPa and 300 K, respectively. Calculate the volume of the container wwwarrow_forward
- A mixture of gases is assembled by first filling an evacuated 0.39-m3 tank with neon until the pressure is 35 kPa. Oxygen is added next until the pressure increases to 105 kPa. Finally, nitrogen is added until the pressure increases to 140 kPa. During each step of the tank’s filling, the contents are maintained at 60°C. Determine the mass of each constituent in the resulting mixture. The mass of neon is kg. The mass of oxygen is kg. The mass of nitrogen is kg.arrow_forwardA gas mixture consists of methane (CH4) and carbon dioxide (CO2). The mass fraction of CH4 is 0.48. The total mass is 10 kg. Determine the gas constant of the mixture in kJ/kg-K. Use four decimal places for your final answer.arrow_forwardLiquid water and steam are in equilibrium at 700 kPa pressure in a solid tank with a volume of 0.3 m3. If the mass of the mixture is 2 kg, what is the mass and volume of the liquid?arrow_forward
- An ideal-gas mixture contains 25% helium, 30% methane, and 45% nitrogen by volume at3.00 atm absolute and 90°C. Calculate (a) the partial pressure of each component, (b) themass fraction of methane, (c) the average molecular weight of the gas, and (d) the density ofthe gas in kg/m3.arrow_forwardWater vapor (H2O) is heated during a steady-flow process at 2 atm from 298 to 3000 K at a rate of 0.6 kg/min. Determine the rate of heat supply needed during this process, assuming some H,0 dissociates into H2, O2, and OH. H2O, H2, O2, H,O OH 298 K 3000 Karrow_forwardGive me right solutions with clear calculationsarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
Thermodynamics - Chapter 3 - Pure substances; Author: Engineering Deciphered;https://www.youtube.com/watch?v=bTMQtj13yu8;License: Standard YouTube License, CC-BY