Thermodynamics: An Engineering Approach
9th Edition
ISBN: 9781260048766
Author: CENGEL
Publisher: MCG
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Chapter 13.3, Problem 25P
Is this statement correct? The temperature of an ideal-gas mixture is equal to the sum of the temperatures of each individual gas in the mixture. If not, how would you correct it?
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A gas mixture consists of 9 kmol H2 and 2 kmol of N2 .
Part A
Determine the mass of H2 .
Express your answer to four significant figures and include the appropriate units.
Part B
Determine the mass of N2.
Express your answer to three significant figures and include the appropriate units.
Part C
Determine the apparent gas constant of the mixture.
Express your answer to three significant figures.
Part D
What-if Scenario: What would the apparent gas constant of the mixture be if hydrogen were replaced by oxygen?
Express your answer to three significant figures.
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Chapter 13 Solutions
Thermodynamics: An Engineering Approach
Ch. 13.3 - What are mass and mole fractions?Ch. 13.3 - Consider a mixture of several gases of identical...Ch. 13.3 - The sum of the mole fractions for an ideal-gas...Ch. 13.3 - Somebody claims that the mass and mole fractions...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. 7PCh. 13.3 - The composition of moist air is given on a molar...Ch. 13.3 - Prob. 9PCh. 13.3 - Prob. 10P
Ch. 13.3 - A gas mixture consists of 20 percent O2, 30...Ch. 13.3 - Prob. 12PCh. 13.3 - Prob. 13PCh. 13.3 - Consider a mixture of two gases A and B. Show that...Ch. 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 - Prob. 18PCh. 13.3 - How is the P-v-T behavior of a component in an...Ch. 13.3 - Prob. 20PCh. 13.3 - Prob. 21PCh. 13.3 - Prob. 22PCh. 13.3 - Consider a rigid tank that contains a mixture of...Ch. 13.3 - Prob. 24PCh. 13.3 - Is this statement correct? The temperature of an...Ch. 13.3 - Is this statement correct? The volume of an...Ch. 13.3 - Is this statement correct? The pressure of an...Ch. 13.3 - A gas mixture at 300 K and 200 kPa consists of 1...Ch. 13.3 - Prob. 29PCh. 13.3 - Separation units often use membranes, absorbers,...Ch. 13.3 - Prob. 31PCh. 13.3 - The mass fractions of a mixture of gases are 15...Ch. 13.3 - The volumetric analysis of a mixture of gases is...Ch. 13.3 - An engineer has proposed mixing extra oxygen with...Ch. 13.3 - A rigid tank contains 0.5 kmol of Ar and 2 kmol of...Ch. 13.3 - A mixture of gases consists of 0.9 kg of oxygen,...Ch. 13.3 - Prob. 37PCh. 13.3 - One pound-mass of a gas whose density is 0.001...Ch. 13.3 - A 30 percent (by mass) ethane and 70 percent...Ch. 13.3 - Prob. 40PCh. 13.3 - Prob. 41PCh. 13.3 - A rigid tank that contains 2 kg of N2 at 25C and...Ch. 13.3 - Prob. 43PCh. 13.3 - Prob. 44PCh. 13.3 - Prob. 45PCh. 13.3 - Is the total internal energy of an ideal-gas...Ch. 13.3 - Prob. 47PCh. 13.3 - Prob. 48PCh. 13.3 - Prob. 49PCh. 13.3 - Prob. 50PCh. 13.3 - The volumetric analysis of a mixture of gases is...Ch. 13.3 - A mixture of nitrogen and carbon dioxide has a...Ch. 13.3 - The mass fractions of a mixture of gases are 15...Ch. 13.3 - A mixture of gases consists of 0.1 kg of oxygen, 1...Ch. 13.3 - An insulated tank that contains 1 kg of O2at 15C...Ch. 13.3 - An insulated rigid tank is divided into two...Ch. 13.3 - Prob. 59PCh. 13.3 - A mixture of 65 percent N2 and 35 percent CO2...Ch. 13.3 - Prob. 62PCh. 13.3 - Prob. 63PCh. 13.3 - Prob. 66PCh. 13.3 - Prob. 67PCh. 13.3 - Prob. 68PCh. 13.3 - Prob. 69PCh. 13.3 - The gas passing through the turbine of a simple...Ch. 13.3 - Prob. 71PCh. 13.3 - A pistoncylinder device contains 6 kg of H2 and 21...Ch. 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. 79PCh. 13.3 - Prob. 81PCh. 13.3 - Fresh water is obtained from seawater at a rate of...Ch. 13.3 - Is it possible for an adiabatic liquid-vapor...Ch. 13.3 - Prob. 84PCh. 13.3 - Prob. 85RPCh. 13.3 - The products of combustion of a hydrocarbon fuel...Ch. 13.3 - A mixture of gases is assembled by first filling...Ch. 13.3 - Prob. 90RPCh. 13.3 - Prob. 91RPCh. 13.3 - Prob. 92RPCh. 13.3 - A rigid tank contains a mixture of 4 kg of He and...Ch. 13.3 - A spring-loaded pistoncylinder device contains a...Ch. 13.3 - Prob. 95RPCh. 13.3 - Reconsider Prob. 1395. Calculate the total work...Ch. 13.3 - Prob. 97RPCh. 13.3 - Prob. 100RPCh. 13.3 - Prob. 101RPCh. 13.3 - Prob. 102FEPCh. 13.3 - An ideal-gas mixture whose apparent molar mass is...Ch. 13.3 - An ideal-gas mixture consists of 2 kmol of N2and 4...Ch. 13.3 - Prob. 105FEPCh. 13.3 - Prob. 106FEPCh. 13.3 - An ideal-gas mixture consists of 3 kg of Ar and 6...Ch. 13.3 - Prob. 108FEPCh. 13.3 - Prob. 109FEPCh. 13.3 - Prob. 110FEPCh. 13.3 - Prob. 111FEP
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- A perfect gas mixture consists of 5.6 kmol N2 and 5.5 kmol CO2. What is the apparent gas constant of the mixture?arrow_forwardWhich is the physical property to express deviations of pressure between an ideal mixture and areal gas mixture?arrow_forwardProblem 13.033 Specific Heat and Molecular Weight The volumetric analysis of a mixture of gases is 30 percent oxygen, 40 percent nitrogen, 10 percent carbon dioxide, and 20 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.arrow_forward
- A mixture of ideal gases has the following composition by mass: N2 02 CO2 60% 30% 10% If the Universal gas constant is 8314 J/mol-K, the characteristic gas constant of the mixture (inJ/kg.K) isarrow_forwardA producer gas has the following volumetric analysis : 29% CO, 12% H2, 3% CH4, 4% CO2, 52% N2.Calculate the values of Cp, Cv, cp and cv for the mixture. The values of Cp for the constituents are asfollows : for CO Cp = 29.27 kJ/mole K ; for H2 Cp = 28.89 kJ/mole K ; for CH4 Cp = 35.8 kJ/mole K ; for CO2Cp = 37.22 kJ/mole K ; for N2 Cp = 29.14 kJ/mole K.arrow_forwardQ 2/ A 47 g aluminium block at 90 °C. Is placed in 100 g of water at 21°C .The final temperature of the mixture is 26°C.What is the specific heat of aluminium (C Al= 0.887 J/g.C)arrow_forward
- One mol of a gaseous mixture has the following gravimetric analysis: 02 = 16%, CO2 = 44%, N2 = 40%. The pressure of mixture is 30 psia. Find volumetric analysis for 02 in %.arrow_forwardIdentify if the following phase is saturated, subcooled, superheated, or wet- mixture. Pressure Specific Enthalpy Phase MPa kJ/kg 13 2483 ?arrow_forward39. An ideal gas has a gas constant of 319.8 J/kg°K and a gas ratio of 1.26. What is the heat rejected per kg of gas when the gas is contained in a rigid vessel at 300 KPa and 315 °C and is cooled until pressure falls to 150 Kpa?arrow_forward
- Give me right solutions with clear calculationsarrow_forwardWhich one of the following figures correctly represents the variation of thermal efficiency (vaviel mixture strength (x-axis)? Lean Lean Rich Rich (a) Stoichiometric (b) Stoichiometric Mixture Mixture Lean Rich Lean Rich (c) (d) Stoichiometric Mixture Stoichiometric Mixturearrow_forwardA mixture of gases contains 6 moles of O2, 2 moles of CO, and 3 moles of H2 at 40∘F and 200 psia. Determine: (a) the partial pressures of the individual components of the mixture (psia) (b) the volume of the mixture (ft3). (Universal gas constant = 1545 ft−lb/lb-R)arrow_forward
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