Explanation Using ideal gas equation of state, obtain the final temperature of the methane ( T 2 ) . T 2 = T 1 v 2 v 1 (I) Here, initial temperature of the methane is T 1 , initial specific volume of the methane is v 1 , and final specific volume of the methane is v 2 . Write the expression to obtain the initial reduced pressure ( P R 1 ) . P R 1 = P 1 P c r (II) Here, initial pressure is P 1 . Write the expression to obtain the initial reduced temperature ( T R 1 ) . T R 1 = T 1 T c r (III) Write the expression to obtain the final pseudo-reduced specific volume ( v R 2 ) . v R 2 = ( 1.8 ) v R 1 (IV) Write the expression to obtain the final temperature of the methane ( T 2 ) . T 2 = P 2 v 2 Z 2 R = P 2 Z 2 v R 2 T c r P c r (V) Conclusion: Substitute 27 ° C for T 1 , and 1.8 for v 2 v 1 in Equation (I). T 2 = ( 27 ° C ) ( 1.8 ) = ( 273 + 27 K ) ( 1.8 ) = ( 300 K ) ( 1.8 ) = 540 K Thus, the final temperature of the methane is 540 K . Refer Table A-1, “Molar mass, gas constant, and critical-point properties”, obtain the gas constant of methane ( R ) as 0.5182 kPa ⋅ m 3 / kg ⋅ K . Refer Table A-1, “Molar mass, gas constant, and critical-point properties”, obtain the critical temperature of the methane ( T c r ) and the critical pressure of the methane ( P c r ) as 191 .1 K and 4.64 MPa respectively. Substitute 10 MPa for P 1 , and 4

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Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substan…

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Chapter 3.8, Problem 90P

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Chapter 3.8, Problem 89P

Chapter 3.8, Problem 91P

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Ch. 3.8 - Is iced water a pure substance? Why?Ch. 3.8 - What is the difference between saturated vapor and...Ch. 3.8 - 3–3C Is there any difference between the...Ch. 3.8 - 3–4C Why are the temperature and pressure...Ch. 3.8 - Is it true that water boils at higher temperature...Ch. 3.8 - What is the difference between the critical point...Ch. 3.8 - 3–7C Is it possible to have water vapor at ? Ch. 3.8 - A househusband is cooking beef stew for his family...Ch. 3.8 - In what kind of pot will a given volume of water...Ch. 3.8 - It is well known that warm air in a cooler...

Ch. 3.8 - Does the amount of heat absorbed as 1 kg of...Ch. 3.8 - Does the reference point selected for the...Ch. 3.8 - What is the physical significance of hfg? Can it...Ch. 3.8 - Does hfg change with pressure? How?Ch. 3.8 - Is it true that it takes more energy to vaporize 1...Ch. 3.8 - What is quality? Does it have any meaning in the...Ch. 3.8 - Which process requires more energy: completely...Ch. 3.8 - In the absence of compressed liquid tables, how is...Ch. 3.8 - Prob. 19P Ch. 3.8 - Complete this table for H2O:Ch. 3.8 - Prob. 21P Ch. 3.8 - Complete this table for H2O:Ch. 3.8 - Complete this table for H2O:Ch. 3.8 - Prob. 26P Ch. 3.8 - Complete this table for refrigerant-134a:Ch. 3.8 - A 1.8-m3 rigid tank contains steam at 220C....Ch. 3.8 - A pistoncylinder device contains 0.85 kg of...Ch. 3.8 - Prob. 30P Ch. 3.8 - 3–31 10-kg of R-134a fill a 1.348-m3 rigid...Ch. 3.8 - Prob. 32P Ch. 3.8 - Refrigerant-134a at 200 kPa and 25C flows through...Ch. 3.8 - Prob. 34P Ch. 3.8 - The temperature in a pressure cooker during...Ch. 3.8 - Prob. 36P Ch. 3.8 - 3–37E One pound-mass of water fills a 2.4264-ft3...Ch. 3.8 - Prob. 38P Ch. 3.8 - Water is to be boiled at sea level in a...Ch. 3.8 - Repeat Prob. 340 for a location at an elevation of...Ch. 3.8 - 10 kg of R-134a at 300 kPa fills a rigid container...Ch. 3.8 - 100 kg of R-134a at 200 kPa are contained in a...Ch. 3.8 - Water initially at 200 kPa and 300C is contained...Ch. 3.8 - 3–44 Saturated steam coming off the turbine of a...Ch. 3.8 - Prob. 45P Ch. 3.8 - Prob. 46P Ch. 3.8 - Water is being heated in a vertical pistoncylinder...Ch. 3.8 - Prob. 49P Ch. 3.8 - A rigid tank with a volume of 1.8 m3 contains 40...Ch. 3.8 - A pistoncylinder device contains 0.005 m3 of...Ch. 3.8 - 3–53E A 5-ft3 rigid tank contains 5 lbm of water...Ch. 3.8 - A 5-ft3 rigid tank contains a saturated mixture of...Ch. 3.8 - Superheated water vapor at 180 psia and 500F is...Ch. 3.8 - Prob. 57P Ch. 3.8 - 3–58 A rigid tank contains water vapor at 250°C...Ch. 3.8 - A pistoncylinder device initially contains 1.4 kg...Ch. 3.8 - How much error would one expect in determining the...Ch. 3.8 - Prob. 61P Ch. 3.8 - 3–62 A rigid vessel contains 8 kg of...Ch. 3.8 - A rigid tank initially contains 1.4 kg saturated...Ch. 3.8 - A pistoncylinder device initially contains 50 L of...Ch. 3.8 - Under what conditions is the ideal-gas assumption...Ch. 3.8 - Prob. 66P Ch. 3.8 - Propane and methane are commonly used for heating...Ch. 3.8 - A 400-L rigid tank contains 5 kg of air at 25C....Ch. 3.8 - Prob. 69P Ch. 3.8 - Prob. 70P Ch. 3.8 - The pressure gage on a 2.5-m3 oxygen tank reads...Ch. 3.8 - A spherical balloon with a diameter of 9 m is...Ch. 3.8 - Reconsider Prob. 373. Using appropriate software,...Ch. 3.8 - Prob. 74P Ch. 3.8 - Prob. 75P Ch. 3.8 - A rigid tank whose volume is unknown is divided...Ch. 3.8 - Prob. 77P Ch. 3.8 - Prob. 78P Ch. 3.8 - Prob. 79P Ch. 3.8 - Prob. 80P Ch. 3.8 - Prob. 81P Ch. 3.8 - Determine the specific volume of superheated water...Ch. 3.8 - Determine the specific volume of superheated water...Ch. 3.8 - Prob. 85P Ch. 3.8 - Prob. 86P Ch. 3.8 - Prob. 87P Ch. 3.8 - Prob. 88P Ch. 3.8 - Prob. 89P Ch. 3.8 - Prob. 90P Ch. 3.8 - Carbon dioxide gas enters a pipe at 3 MPa and 500...Ch. 3.8 - A 0.016773-m3 tank contains 1 kg of...Ch. 3.8 - What is the physical significance of the two...Ch. 3.8 - A 3.27-m3 tank contains 100 kg of nitrogen at 175...Ch. 3.8 - Prob. 95P Ch. 3.8 - Refrigerant-134a at 400 psia has a specific volume...Ch. 3.8 - Nitrogen at 150 K has a specific volume of...Ch. 3.8 - A 1-m3 tank contains 2.841 kg of steam at 0.6 MPa....Ch. 3.8 - Prob. 102P Ch. 3.8 - Prob. 103P Ch. 3.8 - On a certain day, the temperature and relative...Ch. 3.8 - Prob. 105P Ch. 3.8 - Consider two rooms that are identical except that...Ch. 3.8 - A thermos bottle is half-filled with water and is...Ch. 3.8 - Prob. 108RP Ch. 3.8 - The combustion in a gasoline engine may be...Ch. 3.8 - A tank contains argon at 600C and 200 kPa gage....Ch. 3.8 - Prob. 111RP Ch. 3.8 - Prob. 112RP Ch. 3.8 - A rigid tank with a volume of 0.117 m3 contains 1...Ch. 3.8 - Prob. 114RP Ch. 3.8 - Ethane at 10 MPa and 100C is heated at constant...Ch. 3.8 - Prob. 116RP Ch. 3.8 - A 10-kg mass of superheated refrigerant-134a at...Ch. 3.8 - A 4-L rigid tank contains 2 kg of saturated...Ch. 3.8 - The gage pressure of an automobile tire is...Ch. 3.8 - Prob. 120RP Ch. 3.8 - Steam at 400C has a specific volume of 0.02 m3/kg....Ch. 3.8 - A tank whose volume is unknown is divided into two...Ch. 3.8 - Prob. 123RP Ch. 3.8 - Prob. 124RP Ch. 3.8 - Prob. 125RP Ch. 3.8 - A tank contains helium at 37C and 140 kPa gage....Ch. 3.8 - Prob. 127RP Ch. 3.8 - Prob. 131RP Ch. 3.8 - Consider an 18-m-diameter hot-air balloon that,...Ch. 3.8 - Prob. 134FEP Ch. 3.8 - Water is boiled at 1 atm pressure in a coffeemaker...Ch. 3.8 - Prob. 136FEP Ch. 3.8 - Prob. 137FEP Ch. 3.8 - Water is boiled in a pan on a stove at sea level....Ch. 3.8 - Prob. 139FEP Ch. 3.8 - Consider a sealed can that is filled with...Ch. 3.8 - A rigid tank contains 2 kg of an ideal gas at 4...Ch. 3.8 - The pressure of an automobile tire is measured to...

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