- 6.119HP: A computer chip dissipates 2 kJ of electric work over time and reje...
- 6.84HP: ?R-410a at 400 kPa is brought from 20°C to 120°C in a constant-pres...
- 6.190EUP: Water at 20 psia, 240 F, receives 40 Btu/lbm in a reversible proces...
- 6.1CGP: When a substance has completed a cycle, v, u, h, and s are unchange...
- 6.2CGP: Assume a heat engine with a given QH. Can you say anything about QL...
- 6.3CGP: CV A is the mass inside a piston/cylinder; CV B is that plus part o...
- 6.4CGP: Consider the previous setup with the mass mA and the piston/cylinde...
- 6.5CGP: Water at 100°C, quality 50% in a rigid box is heated to 110°C. How ...
- 6.6CGP: Liquid water at 20°C, 100 kPa is compressed in a piston/cylinder wi...
- 6.7CGP: A reversible process in a piston/cylinder is shown in Fig. P6.7. In...
- 6.8CGP: A reversible process in a piston/cylinder is shown in Fig. P6.8. In...
- 6.9CGP: Air at 290 K, 100 kPa in a rigid box is heated to 325 K. How do the...
- 6.10CGP: Air at 20°C, 100 kPa is compressed in a piston/ cylinder without an...
- 6.11CGP: Carbon dioxide is compressed to a smaller volume in a polytropic pr...
- 6.12CGP: Process A: Air at 300 K, 100 kPa is heated to 310 K at constant pre...
- 6.13CGP: Why do we write ?S or S2 ? S1, whereas we write ?dQ/T and 1S2gen?
- 6.14CGP: A reversible heat pump has a flux of s entering as ?Q L/TL. What ca...
- 6.15CGP: An electric baseboard heater receives 1500 W of electrical power th...
- 6.16CGP: A 500W electric space heater with a small fan inside heats air by b...
- 6.17HP: Consider the steam power plant in Example 4.7 and assume an average...
- 6.18HP: A heat engine receives 6 kW from a 250°C source and rejects heat at...
- 6.19HP: Use the inequality of Clausius to show that heat transfer from a wa...
- 6.20HP: Use the inequality of Clausius to show that heat transfer from a co...
- 6.21HP: Assume that the heat engine in 5.34 has a high temperature of 1000 ...
- 6.22HP: Let the steam power plant in 5.30 have a temperature of 700°C in th...
- 6.23HP: Examine the heat engine in 5.74 to see if it satisfies the inequali...
- 6.24HP: Determine the entropy for these states.a. Nitrogen, P = 2000 kPa, 1...
- 6.25HP: Determine the missing property among P, T, s, and x for R-410a ata....
- 6.26HP: Find the missing properties of P, v, s, and x for ammonia (NH3) ata...
- 6.27HP: Find the entropy for the following water states and indicate each s...
- 6.28HP: Find the missing properties of P, v, s, and x for CO2 and indicate ...
- 6.29HP: Determine the missing properties among (T, P, v, s)a. H2O 20° C, v ...
- 6.30HP: Two kilograms of water at 120°C with a quality of 25% has its tempe...
- 6.31HP: Two kilograms of water at 400 kPa with a quality of 25% has its tem...
- 6.32HP: Saturated liquid water at 20°C is compressed to a higher pressure w...
- 6.33HP: Saturated vapor water at 250°C is expanded to a lower pressure with...
- 6.34HP: Determine the missing property among P, T, s, x for the following s...
- 6.35HP: In a Carnot engine with ammonia as the working fluid, the high temp...
- 6.36HP: Consider a Carnot-cycle heat pump with R-410a as the working fluid....
- 6.37HP: Do 6.36 using refrigerant R-134a instead of R-410a. 6.36Consider a ...
- 6.38HP: Water is used as the working fluid in a Carnot-cycle heat engine, w...
- 6.39HP: Water at 1 MPa, 250°C is expanded in a piston/ cylinder to 200 kPa,...
- 6.40HP: R-410a at 1 MPa and 60°C is expanded in a piston/ cylinder to 500 k...
- 6.41HP: A piston/cylinder compressor takes R-410a as saturated vapor 500 kP...
- 6.42HP: A piston/cylinder receives R-410a at 500 kPa and compresses it in a...
- 6.43HP: Compression and heat transfer bring carbon dioxide in a piston/cyli...
- 6.44HP: A piston/cylinder maintaining constant pressure contains 0.1 kg sat...
- 6.45HP: A piston/cylinder contains 0.25 kg of R-134a at 100 kPa. It will be...
- 6.46HP: A piston/cylinder contains 0.5 kg of water at 200 kPa, 300°C, and i...
- 6.47HP: A cylinder fitted with a piston contains ammonia at 50°C, 20% quali...
- 6.48HP: Water in a piston/cylinder at 400°C, 2000 kPa is expanded in a reve...
- 6.49HP: Apiston/cylinder has 2 kgwater at 1000 kPa, 200°C that is now coole...
- 6.50HP: One kilogram of water at 300°C expands against a piston in a cylind...
- 6.51HP: Water at 1000 kPa, 250°C is brought to saturated vapor in a rigid c...
- 6.52HP: Estimate the specific heat transfer from the area in a T–s diagram ...
- 6.53HP: A closed tank, V = 10 L, containing 5 kg of water initially at 25°C...
- 6.54HP: A piston/cylinder has 2 kg of R-410a at 60°C, 100 kPa that is compr...
- 6.55HP: A heavily insulated cylinder/piston contains ammonia at 1200 kPa, 6...
- 6.56HP: Water at 1000 kPa, 250°C is brought to saturated vapor in a piston/...
- 6.57HP: A rigid, insulated vessel contains superheated vapor steam at 3 MPa...
- 6.58HP: Water at 100 kPa, 25°C is brought to the boiling point in a piston/...
- 6.59HP: Water at 1000 kPa, 200°C is brought to saturated vapor in a piston/...
- 6.60HP: Two 5-kg blocks of steel, one at 250°C and the other at 25°C, come ...
- 6.61HP: A rigid tank of 1.2-kg steel contains 1.5 kg of R-134a at 40°C, 500...
- 6.62HP: A large slab of concrete, 5×8×0.3 m, is used as a thermal storage m...
- 6.63HP: A foundry form box with 25 kg of 200°C hot sand is dumped into a bu...
- 6.64HP: Heat transfer to a block of 1.5-kg ice at?10°C melts it to liquid a...
- 6.65HP: In a sink, 5 L of water at 70°C is combined with 1 kg of aluminum p...
- 6.66HP: Apiston/cylinder has constant pressure of 2000 kPa with water at 20...
- 6.67HP: A 4-L jug of milk at 25°C is placed in your refrigerator, where it ...
- 6.68HP: A constant pressure container of 1.2 kg steel contains 1.5 kg of R-...
- 6.69HP: A 10-kg steel container is cured at 500°C. Liquid water at 15°C, 10...
- 6.70HP: A pan in an auto shop contains 5 L of engine oil at 20°C, 100 kPa. ...
- 6.71HP: A computer CPU chip consists of 50 g silicon, 20 g copper, and 50 g...
- 6.72HP: A 5-kg aluminum radiator holds 2 kg of liquid R-134a at ?10°C. The ...
- 6.73HP: A 12-kg steel container has 0.2 kg superheated water vapor at 1000 ...
- 6.74HP: Find the total work the heat engine can give out as it receives ene...
- 6.75HP: Consider 6.60 if the two blocks of steel exchange energy through a ...
- 6.76HP: ?Two kilograms of liquid lead initially at 400°C is poured into a f...
- 6.77HP: Air inside a rigid tank is heated from 300 to 350 K. Find the entro...
- 6.78HP: A rigid tank contains 1 kg methane at 500 K, 1500 kPa. It is now co...
- 6.79HP: Three kilograms of air is in a piston/cylinder keeping constant pre...
- 6.80HP: A piston/cylinder setup contains air at 100 kPa, 400 K that is comp...
- 6.81HP: Prove that the two relations for changes in s, Eqs. 6.16 and 6.17, ...
- 6.82HP: A closed rigid container is filled with 1.5 kg water at 100 kPa, 55...
- 6.83HP: ?Water at 150°C, 400 kPa is brought to 1200°C in a constant-pressur...
- 6.85HP: ?R-410a at 300 kPa, 20°C is brought to 200°C in a constant-volume p...
- 6.86HP: Consider a small air pistol (Fig. P6.86) with a cylinder volume of ...
- 6.87HP: ?Oxygen gas in a piston/cylinder at 300 K, 100 kPa with a volume of...
- 6.88HP: Air in a rigid tank is at 100 kPa, 300 K with a volume of 0.75m3. T...
- 6.89HP: ?An insulated piston/cylinder setup contains carbon dioxide gas at ...
- 6.90HP: ?Extend the previous problem to solve using Table B.3.
- 6.91HP: A handheld pump for a bicycle (Fig. P6.91) has a volume of 25 cm3 w...
- 6.92HP: A piston/cylinder, shown in Fig. P6.92, contains air at 1380 K, 15M...
- 6.93HP: Argon in a light bulb is at 90 kPa, 20°C when it is turned on and e...
- 6.94HP: We wish to obtain a supply of cold helium gas by applying the follo...
- 6.95HP: A1-m3 insulated, rigid tank contains air at 800 kPa, 25°C. A valve ...
- 6.96HP: Two rigid, insulated tanks are connected with a pipe and valve. One...
- 6.97HP: Two rigid tanks, shown in Fig. P6.97, each contains 10 kg N2 gas at...
- 6.98HP: A hydrogen gas in a piston/cylinder assembly at 300 K, 100 kPa with...
- 6.99HP: A rigid tank contains 4 kg air at 300°C, 4 MPa that acts as the hot...
- 6.100HP: An ideal gas having constant specific heat undergoes a reversible p...
- 6.101HP: Repeat the previous problem for the gas carbon monoxide.
- 6.102HP: A nitrogen gas goes through a polytropic process with n = 1.3 in a ...
- 6.103HP: A cylinder/piston contains 1 kg methane gas at 100 kPa, 300 K. The ...
- 6.104HP: Do the previous problem but assume that the process is isothermal.R...
- 6.105HP: A piston/cylinder contains air at 300 K, 100 kPa. It is now compres...
- 6.106HP: A piston/cylinder contains pure oxygen at 500 K, 600 kPa. The pisto...
- 6.107HP: Do assume that the process is polytropic with n = 1.15.A cylinder/p...
- 6.108HP: ?Hot combustion air at 2000 K expands in a polytropic process to a ...
- 6.109HP: ?Air in a piston/cylinder is at 1800 K, 7 MPa and expands in a poly...
- 6.110HP: Helium in a piston/cylinder at 20°C, 100 kPa is brought to 400 K in...
- 6.111HP: The power stroke in an internal combustion engine can be approximat...
- 6.112HP: A cylinder/piston contains saturated vapor R-410a at 10°C; the volu...
- 6.113HP: Air goes through a polytropic process with n = 1.3 in a piston/cyli...
- 6.114HP: A cylinder/piston contains air under ambient conditions 100 kPa and...
- 6.115HP: Consider a heat transfer of 100 kJ from 1500 K hot gases to a steel...
- 6.116HP: A rigid tank has 0.1 kg saturated vapor R-410a at 0°C that is coole...
- 6.117HP: One kilogram of water at 500°C and 1 kg saturated water vapor, both...
- 6.118HP: A car uses an average power of 25 hp for a 1-h round trip. With a t...
- 6.120HP: An insulated cylinder/piston contains R-134a at 1MPa, 50°C, with a ...
- 6.121HP: A rigid tank holds 0.75 kg ammonia at 70°C as saturated vapor. The ...
- 6.122HP: The unrestrained expansion of the reactor water in 3.101 has a fina...
- 6.123HP: Heat transfer from a 20°C kitchen to a block of 1.5 kg ice at ?10°C...
- 6.124HP: Ammonia is contained in a rigid sealed tank of unknown quality at 0...
- 6.125HP: Water in a piston/cylinder is at 101 kPa, 25°C and mass 0.5 kg. The...
- 6.126HP: Do 6.125 assuming the piston/cylinder is 1.5 kg of steel and has th...
- 6.127HP: A cylinder fitted with a movable piston contains water at 3 MPa, 50...
- 6.128HP: A piston/cylinder device keeping a constant pressure has 1 kg water...
- 6.129HP: Reconsider problem 3.109 where carbon dioxide is compressed from ?2...
- 6.130HP: A piston/cylinder contains 1 kg water at 150 kPa, 20°C. The piston ...
- 6.131HP: A closed, rigid container is filled with 1.5 kg water at 100 kPa, 5...
- 6.132HP: A cylinder/piston contains water at 200 kPa, 200°C with a volume of...
- 6.133HP: A rigid steel tank of mass 2.5 kg contains 0.5 kg R-410a at 0°Cwith...
- 6.134HP: A piston/cylinder has ammonia at 2000 kPa, 80°C with a volume of 0....
- 6.135HP: One kilogram of ammonia (NH3) is contained in a spring-loaded pisto...
- 6.136HP: A 5-kg aluminum radiator holds 2 kg of liquid R-134a, both at ?10°C...
- 6.137HP: A piston/cylinder of total 1 kg steel contains 0.5 kg ammonia at 16...
- 6.138HP: A piston/cylinder contains 0.1 kg water at 500°C, 1000 kPa. The pis...
- 6.139HP: A hollow steel sphere with a 0.5-m inside diameter and a 2 mm-thick...
- 6.140HP: A cylinder/piston arrangement contains 10 g ammonia at 20°Cwith a v...
- 6.141HP: A cylinder/piston arrangement contains 0.1 kg R-410a of quality x =...
- 6.142HP: One kilogram of air at 300 K is mixed with 2 kg air at 400 K in a p...
- 6.143HP: Air in a rigid tank is at 900 K, 500 kPa, and it now cools to the a...
- 6.144HP: Two rigid, insulated tanks are connected with a pipe and valve. One...
- 6.145HP: One kilogram air at 100 kPa is mixed with 2 kg air at 200 kPa, both...
- 6.146HP: A rigid storage tank of 1.5 m3 contains 1 kg argon at 30°C. Heat is...
- 6.147HP: Argon in a light bulb is at 110 kPa, 90°C. The light is turned off,...
- 6.148HP: A rigid tank contains 2 kg air at 200 kPa and ambient temperature, ...
- 6.149HP: A piston/cylinder system contains 50 L air at 300°C, 100 kPa, with ...
- 6.150HP: A spring-loaded piston/cylinder contains 1.5 kg air at 27°C, 160 kP...
- 6.151HP: A rigid container with volume 200 L is divided into two equal volum...
- 6.152HP: A constant pressure piston/cylinder contains 0.5 kg air at 300 K, 4...
- 6.153HP: ?Do 6.152 using Table A.7.
- 6.154HP: Nitrogen at 200°C, 300 kPa is in a piston/cylinder, volume 5 L, wit...
- 6.155HP: The air in the tank of 6.88 receives heat transfer from a reservoir...
- 6.156HP: ?One kilogram carbon dioxide at 100 kPa, 400 K is mixed with 2 kg c...
- 6.157HP: ?Solve 6.156 using Table A.8.
- 6.158HP: Nitrogen at 600 kPa, 127°C is in a 0.5-m3 insulated tank connected ...
- 6.159HP: A cylinder/piston contains carbon dioxide at 1MPa, 300°C with a vol...
- 6.160HP: ?The air in the engine cylinder of 3.156 loses the heat to the engi...
- 6.161HP: A cylinder/piston contains 100 L air at 110 kPa, 25°C. The air is c...
- 6.162HP: A room at 22°C is heated electrically with 1500W to keep a steady t...
- 6.163HP: A mass of 3 kg nitrogen gas at 2000 K, V = C, cools with 500 W. Wha...
- 6.164HP: A heat pump (see 5.49) should upgrade 5 MW of heat at 85°C to heat ...
- 6.165HP: Reconsider the heat pump in the previous problem and assume it has ...
- 6.166HP: A radiant heating lamp powered by electricity has a surface tempera...
- 6.167HP: A heat pump with COP = 4 uses 1 kW of power input to heat a 25°C ro...
- 6.168HP: A window receives 500W of heat transfer at the inside surface of 20...
- 6.169HP: An amount of power, say 1000 kW, comes from a furnace at 800°C, goi...
- 6.170HP: Room air at 23°C is heated by a 2000-W space heater with a surface ...
- 6.171HP: A car engine block receives 2 kW at its surface of 450 K from hot c...
- 6.172HP: A farmer runs a heat pump using 2 kW of power input. It keeps a chi...
- 6.173HP: An insulted cylinder/piston has an initial volume of 0.15 m3 and co...
- 6.174HP: A piston/cylinder has a water volume separated in VA = 0.2 m3 and V...
- 6.175HP: The water in the two tanks of 3.214 receives heat transfer from a r...
- 6.176HP: A steel piston/cylinder of 1 kg contains 2.5 kg ammonia at 50 kPa,?...
- 6.177HP: Water in a piston/cylinder, shown in Fig. P6.177, is at 1 MPa, 500°...
- 6.178HP: A piston/cylinder contains air at 300 K, 100 kPa. A reversible poly...
- 6.179HP: Assume the heat transfer in 3.213 came from a 200°C reservoir. What...
- 6.180HP: A closed tank, V = 10 L, containing 5 kg of water initially at 25°C...
- 6.181HP: A resistor in a heating element is a total of 0.5 kg with specific ...
- 6.182HP: Two tanks contain steam and they are both connected to a piston/cyl...
- 6.183HP: Assume the heat source in 3.217 is at 300°C in a setup similar to F...
- 6.184HP: A cylinder fitted with a piston contains 0.5 kg of R-134a at 60°C, ...
- 6.185HP: A device brings 2 kg ammonia from 150 kPa, ?20°C to 400 kPa, 80°C i...
- 6.186HP: A rigid tank with 0.5 kg ammonia at 1600 kPa, 160°C is cooled in a ...
- 6.187HP: A piston/cylinder with constant loading of the piston contains 1 L ...
- 6.188HP: An uninsulated cylinder fitted with a piston contains air at 500 kP...
- 6.189HP: Asma ll halogen light bulb receives electrical power of 50W. The sm...
- 6.191EUP: Saturated water vapor at 20 psia is compressed to 60 psia in a reve...
- 6.192EUP: Consider the steam power plant in 5.133E and show that this cycle s...
- 6.193EUP: Find the missing properties of P, v, s, and x for ammonia, NH3.a. T...
- 6.194EUP: Find the missing properties and give the phase of the substance.a. ...
- 6.195EUP: Determine the missing property among P, T, s, and x for R-410a ata....
- 6.196EUP: In a Carnot engine with water as the working fluid, the high temper...
- 6.197EUP: Consider a Carnot-cycle heat pump with R-410 a as the working fluid...
- 6.198EUP: Do 6.36 using refrigerant R-134a instead of R-410a. 6.36Consider a ...
- 6.199EUP: R-410a at 150 psia and 140 F is expanded in a piston/cylinder to 75...
- 6.200EUP: A piston/cylinder receives R-410a at 75 psia and compresses it in a...
- 6.201EUP: A piston/cylinder contains 1 lbm water at 40 psia, 600 F, and it no...
- 6.202EUP: A cylinder fitted with a piston contains ammonia at 120 F,20%qualit...
- 6.203EUP: A 1-lb mass of water at 600 F expands against a piston in a cylinde...
- 6.204EUP: A closed tank, V = 0.35 ft3, containing 10 lbm water initially at 7...
- 6.205EUP: A cylinder containing R-134a at 60 F, 30 lbf/in.2 has an initial vo...
- 6.206EUP: A rigid, insulated vessel contains superheated vapor steam at 400 l...
- 6.207EUP: Two 5-lbm blocks of steel, one at 500 F and the other at 80 F, come...
- 6.208EUP: Afoundry formbox with 50 lbm of 400 F hot sand is dumped into a buc...
- 6.209EUP: Heat transfer to a block of 3 lbm ice at 15 F melts it to liquid at...
- 6.210EUP: A rigid tank of 1.2 lbm steel contains 1.5 lbm R-134a at 100 F, 80 ...
- 6.211EUP: A 5-lbm aluminum radiator holds 2 lbm liquid R-134a at 10 F. The se...
- 6.212EUP: ?Four pounds of liquid lead at 750 F is poured into a form. It then...
- 6.213EUP: Air inside a rigid tank is heated from 550 to 600 R. Find the entro...
- 6.214EUP: ?R-410a at 60 psia is brought from 60 F to 240 F in a constant-pres...
- 6.215EUP: ?Oxygen gas in a piston/cylinder at 500 R and 1 atm with a volume o...
- 6.216EUP: A handheld pump for a bicycle has a volume of 2 in.3 when fully ext...
- 6.217EUP: A piston/cylinder contains air at 2500 R, 2200 lbf/in.2, with V1 = ...
- 6.218EUP: A 25-ft3 insulated, rigid tank contains air at 110 lbf/in.2, 75 F. ...
- 6.219EUP: A cylinder/piston contains 0.1 lbm methane gas at 15 psia, 70 F. Th...
- 6.220EUP: Helium in a piston/cylinder at 70 F, 20 psia is brought to 720 R in...
- 6.221EUP: A cylinder/piston contains air at ambient conditions, 14.7 lbf/in.2...
- 6.222EUP: Consider a heat transfer of 100 Btu from 2400 R hot gases to a stee...
- 6.223EUP: A computer chip dissipates 2 Btu of electrical work over time and r...
- 6.224EUP: An insulated cylinder/piston contains R-134a at 150 lbf/in.2, 120 F...
- 6.225EUP: Heat transfer from a 70 F kitchen to a block of 3 lbm ice at 15 F m...
- 6.226EUP: A mass and atmosphere loaded piston/cylinder contains 4 lbm water a...
- 6.227EUP: A1-gal jug of milk at 75 F is placed in your refrigerator, where it...
- 6.228EUP: A cylinder/piston contains water at 30 lbf/in.2, 400 F with a volum...
- 6.229EUP: A 1-lb mass of ammonia (NH3) is contained in a linear spring-loaded...
- 6.230EUP: A hollow steel sphere with a 2-ft inside diameter and a 0.1-in.-thi...
- 6.231EUP: One lbm of air at 540 R is mixed with 2 lbm air at 720 R in a proce...
- 6.232EUP: One lbm air at 15 psia is mixed with 2 lbm air at 30 psia, both at ...
- 6.233EUP: A rigid container with volume 7 ft3 is divided into two equal volum...
- 6.234EUP: A constant-pressure piston/cylinder is 2 lbm steel and it contains ...
- 6.235EUP: ?Do 6.234E using Table F.5.
- 6.236EUP: Nitrogen at 90 lbf/in.2, 260Fis ina20 ft3 insulated tank connected ...
- 6.237EUP: A cylinder/piston contains carbon dioxide at 150 lbf/in.2, 600 F wi...
- 6.238EUP: A cylinder/piston contains 4 ft3 air at 16 lbf/in.2, 77 F. The air ...
- 6.239EUP: A room at 72 F is heated electrically with 1500W to keep a steady t...
- 6.240EUP: A heat pump with COP = 4 uses 1 kW of power input to heat a 78 F ro...
- 6.241EUP: A window receives 800 Btu/h of heat transfer at the inside surface ...
- 6.242EUP: A farmer runs a heat pump using 2.5 hp of power input. It keeps a c...
- 6.243EUP: Water in a piston/cylinder is at 150 lbf/in.2, 900 F, as shown in F...
- 6.244EUP: A cylinder/piston contains 5 lbm water at 80 lbf/in.2, 1000 F. The ...
- 6.245EUP: A cylinder with a linear spring-loaded piston contains carbon dioxi...

# Solutions for Chapter 6: Fundamentals of Thermodynamcs 8th Edition

## Full solutions for Fundamentals of Thermodynamcs | 8th Edition

ISBN: 9781118131992

Solutions for Chapter 6

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