Канал: Suemon Kwok

Thermodynamics 4-132 An insulated rigid tank initially contains 1.4 kg of saturated liquid water

Thermodynamics 4-132 An insulated rigid tank initially contains 1.4 kg of saturated liquid water

Thermodynamics 4-131 An insulated piston–cylinder device initially contains 1.8 kg of saturated

Thermodynamics 4-131 An insulated piston–cylinder device initially contains 1.8 kg of saturated

Thermodynamics 4-130 A 68-kg man whose average body temperature is 39°C drinks 1 L of cold water at

Thermodynamics 4-130 A 68-kg man whose average body temperature is 39°C drinks 1 L of cold water at

Thermodynamics 4-129 The energy content of a certain food is to be determined in a calorimeter that

Thermodynamics 4-129 The energy content of a certain food is to be determined in a calorimeter that

Thermodynamics 4-128 Water is boiled at sea level in a coffeemaker equipped with an immersion-type

Thermodynamics 4-128 Water is boiled at sea level in a coffeemaker equipped with an immersion-type

Thermodynamics 4-127 A passive solar house that is losing heat to the out-doors at an average rate

Thermodynamics 4-127 A passive solar house that is losing heat to the out-doors at an average rate

Thermodynamics 4-126 An insulated piston–cylinder device initially contains 0.01 m^3 of saturated

Thermodynamics 4-126 An insulated piston–cylinder device initially contains 0.01 m^3 of saturated

Thermodynamics 4-125 A frictionless piston–cylinder device and a rigid tank initially contain 12 kg

Thermodynamics 4-125 A frictionless piston–cylinder device and a rigid tank initially contain 12 kg

Thermodynamics 4-124 A frictionless piston–cylinder device initially contains air at 100 kPa and

Thermodynamics 4-124 A frictionless piston–cylinder device initially contains air at 100 kPa and

Thermodynamics 4-123 A piston–cylinder device contains helium gas initially at 100 kPa, 10°C, and

Thermodynamics 4-123 A piston–cylinder device contains helium gas initially at 100 kPa, 10°C, and

Thermodynamics 4-122 Saturated water vapor at 200°C is condensed to a saturated liquid at 50°C in a

Thermodynamics 4-122 Saturated water vapor at 200°C is condensed to a saturated liquid at 50°C in a

Thermodynamics 4-121 A mass of 12 kg of saturated refrigerant-134a vapor is contained in a piston

Thermodynamics 4-121 A mass of 12 kg of saturated refrigerant-134a vapor is contained in a piston

Thermodynamics 4-120 A mass of 3 kg of saturated liquid–vapor mixtureof water is contained in a

Thermodynamics 4-120 A mass of 3 kg of saturated liquid–vapor mixtureof water is contained in a

Thermodynamics 4-119 A well-insulated, rigid vessel contains 3 kg of saturated liquid water at 40°C.

Thermodynamics 4-119 A well-insulated, rigid vessel contains 3 kg of saturated liquid water at 40°C.

Thermodynamics 4-118 Nitrogen at 100 kPa and 25°C in a rigid vessel is heated until its pressure is

Thermodynamics 4-118 Nitrogen at 100 kPa and 25°C in a rigid vessel is heated until its pressure is

Thermodynamics 4-117 Air is expanded in a polytropic process with n = 1.2 from 1 MPa and 400°C to

Thermodynamics 4-117 Air is expanded in a polytropic process with n = 1.2 from 1 MPa and 400°C to

Thermodynamics 4-116 Air in the amount of 2 lbm is contained in a well-insulated, rigid vessel

Thermodynamics 4-116 Air in the amount of 2 lbm is contained in a well-insulated, rigid vessel

Thermodynamics 4-115 A mass of 0.2 kg of saturated refrigerant-134a iscontained in a piston–cylinder

Thermodynamics 4-115 A mass of 0.2 kg of saturated refrigerant-134a iscontained in a piston–cylinder

Thermodynamics 4-114 Consider a piston–cylinder device that contains 0.5 kg air. Now heat is

Thermodynamics 4-114 Consider a piston–cylinder device that contains 0.5 kg air. Now heat is

Thermodynamics 4-113 A rigid tank contains a gas mixture with a specific heat of cv = 0.748 kJ/kg·K.

Thermodynamics 4-113 A rigid tank contains a gas mixture with a specific heat of cv = 0.748 kJ/kg·K.

Thermodynamics 4-112 The temperature of air changes from 0 to 10°C while its velocity changes from

Thermodynamics 4-112 The temperature of air changes from 0 to 10°C while its velocity changes from

Thermodynamics 4-111 Consider a classroom that is losing heat to the out-doors at a rate of 12,000

Thermodynamics 4-111 Consider a classroom that is losing heat to the out-doors at a rate of 12,000

Thermodynamics 4-110 Which of two gases—neon or air—produces more work when expanded from P1 to P2

Thermodynamics 4-110 Which of two gases—neon or air—produces more work when expanded from P1 to P2

Thermodynamics 4-109 Which of two gases—neon or air—requires less work when compressed in a closed

Thermodynamics 4-109 Which of two gases—neon or air—requires less work when compressed in a closed

Thermodynamics 4-108 The body mass index (BMI) of a 1.6-m-tall woman who normally has 3 large slices

Thermodynamics 4-108 The body mass index (BMI) of a 1.6-m-tall woman who normally has 3 large slices

Thermodynamics 4-107 The range of healthy weight for adults is usually expressed in terms of the

Thermodynamics 4-107 The range of healthy weight for adults is usually expressed in terms of the

Thermodynamics 4-106 A 5-oz serving of a Bloody Mary contains 14 g of alcohol and 5 g of

Thermodynamics 4-106 A 5-oz serving of a Bloody Mary contains 14 g of alcohol and 5 g of

Thermodynamics 4-105 A person eats a McDonald’s Big Mac sandwich (530 Cal), a second person eats a

Thermodynamics 4-105 A person eats a McDonald’s Big Mac sandwich (530 Cal), a second person eats a

Thermodynamics 4-104 Consider two friends who go to Burger King every day for lunch. One of them

Thermodynamics 4-104 Consider two friends who go to Burger King every day for lunch. One of them

Thermodynamics 4-103 A 190-pound man and a 130-pound woman went to Burger King for lunch. The man

Thermodynamics 4-103 A 190-pound man and a 130-pound woman went to Burger King for lunch. The man

Thermodynamics 4-102 Consider two identical 50-kg women, Candy and Wendy, who are doing identical

Thermodynamics 4-102 Consider two identical 50-kg women, Candy and Wendy, who are doing identical

Thermodynamics 4-101 Consider a man who has 20 kg of body fat when he goes on a hunger strike.

Thermodynamics 4-101 Consider a man who has 20 kg of body fat when he goes on a hunger strike.

Thermodynamics 4-100 A 60-kg man used to have an apple every day after dinner without losing

Thermodynamics 4-100 A 60-kg man used to have an apple every day after dinner without losing

Thermodynamics 4-99 A 90-kg man gives in to temptation and eats an entire 1-L box of ice cream. How

Thermodynamics 4-99 A 90-kg man gives in to temptation and eats an entire 1-L box of ice cream. How

Thermodynamics 4-98 A 68-kg woman is planning to bicycle for an hour. If she is to meet her entire

Thermodynamics 4-98 A 68-kg woman is planning to bicycle for an hour. If she is to meet her entire

Thermodynamics 4-97 Consider two identical 80-kg men who are eating identical meals and doing

Thermodynamics 4-97 Consider two identical 80-kg men who are eating identical meals and doing

Thermodynamics 4-96 The average specific heat of the human body is 3.6 kJ/kg·°C. If the body

Thermodynamics 4-96 The average specific heat of the human body is 3.6 kJ/kg·°C. If the body

Thermodynamics 4-95 Consider two identical rooms, one with a 2-kW electric resistance heater and the

Thermodynamics 4-95 Consider two identical rooms, one with a 2-kW electric resistance heater and the

Thermodynamics 4-94C What do you think of a diet program that allows for generous amounts of bread

Thermodynamics 4-94C What do you think of a diet program that allows for generous amounts of bread

Thermodynamics 4-93C Is the number of prospective occupants an important consideration in the design

Thermodynamics 4-93C Is the number of prospective occupants an important consideration in the design

Thermodynamics 4-92C Is the metabolizable energy content of a food the same as the energy released

Thermodynamics 4-92C Is the metabolizable energy content of a food the same as the energy released

Thermodynamics 4-91C For what is the energy released during metabolism in humans used?

Thermodynamics 4-91C For what is the energy released during metabolism in humans used?

Thermodynamics 4-90 If you ever slapped someone or got slapped yourself, you probably remember the

Thermodynamics 4-90 If you ever slapped someone or got slapped yourself, you probably remember the

Thermodynamics 4-89 Reconsider Prob. 4–88. Using appropriate software, investigate the effect of the

Thermodynamics 4-89 Reconsider Prob. 4–88. Using appropriate software, investigate the effect of the

Thermodynamics 4-88 An electronic device dissipating 25 W has a mass of 20 g and a specific heat of

Thermodynamics 4-88 An electronic device dissipating 25 W has a mass of 20 g and a specific heat of

Thermodynamics 4-87 Long cylindrical steel rods (ρ = 7833 kg/m3 and cp = 0.465 kJ/kg·°C) of 8 cm

Thermodynamics 4-87 Long cylindrical steel rods (ρ = 7833 kg/m3 and cp = 0.465 kJ/kg·°C) of 8 cm

Thermodynamics 4-86 In a production facility, 1.6-in-thick 2-ft × 2-ft square brass plates

Thermodynamics 4-86 In a production facility, 1.6-in-thick 2-ft × 2-ft square brass plates

Thermodynamics 4-85 Stainless steel ball bearings (ρ = 8085 kg/m3 and cp = 0.480 kJ/kg·°C) having a

Thermodynamics 4-85 Stainless steel ball bearings (ρ = 8085 kg/m3 and cp = 0.480 kJ/kg·°C) having a

Thermodynamics 4-84 Consider a 1000-W iron whose base plate is made of 0.5-cm-thick aluminum alloy

Thermodynamics 4-84 Consider a 1000-W iron whose base plate is made of 0.5-cm-thick aluminum alloy

Thermodynamics 4-83 An ordinary egg can be approximated as a 5.5-cm-diameter sphere. The egg is

Thermodynamics 4-83 An ordinary egg can be approximated as a 5.5-cm-diameter sphere. The egg is

Thermodynamics 4-82 During a picnic on a hot summer day, all the cold drinks disappear quickly, and

Thermodynamics 4-82 During a picnic on a hot summer day, all the cold drinks disappear quickly, and

Thermodynamics 4-81 The state of liquid water is changed from 50 psia and 50°F to 2000 psia and

Thermodynamics 4-81 The state of liquid water is changed from 50 psia and 50°F to 2000 psia and

Thermodynamics 4-80 A 1-kg block of iron is heated from 25 to 75°C. What is the change in the iron’s

Thermodynamics 4-80 A 1-kg block of iron is heated from 25 to 75°C. What is the change in the iron’s

Thermodynamics 4-79 A piston–cylinder device, whose piston is resting on a set of stops, initially

Thermodynamics 4-79 A piston–cylinder device, whose piston is resting on a set of stops, initially

Thermodynamics 4-78 A piston–cylinder device whose piston is resting on top of a set of stops

Thermodynamics 4-78 A piston–cylinder device whose piston is resting on top of a set of stops

Thermodynamics 4-77 A spring-loaded piston–cylinder device contains 5 kg of helium as the system

Thermodynamics 4-77 A spring-loaded piston–cylinder device contains 5 kg of helium as the system

Thermodynamics 4-76 A piston–cylinder device contains 4 kg of argon at250 kPa and 35°C. During a

Thermodynamics 4-76 A piston–cylinder device contains 4 kg of argon at250 kPa and 35°C. During a

Thermodynamics 4-75 Reconsider Prob. 4–74. Using appropriate software, plot the process described in

Thermodynamics 4-75 Reconsider Prob. 4–74. Using appropriate software, plot the process described in

Thermodynamics 4-74 A piston–cylinder device contains 2.2 kg of nitrogen initially at 100 kPa and

Thermodynamics 4-74 A piston–cylinder device contains 2.2 kg of nitrogen initially at 100 kPa and

Thermodynamics 4-73 A 3-ft3 adiabatic rigid container is divided into two equal volumes by a thin

Thermodynamics 4-73 A 3-ft3 adiabatic rigid container is divided into two equal volumes by a thin

Thermodynamics 4-72 A mass of 15 kg of air in a piston–cylinder device is heated from 25 to 95°C by

Thermodynamics 4-72 A mass of 15 kg of air in a piston–cylinder device is heated from 25 to 95°C by

Thermodynamics 4-71 Air is contained in a variable-load piston–cylinder device equipped with a

Thermodynamics 4-71 Air is contained in a variable-load piston–cylinder device equipped with a

Thermodynamics 4-70 An insulated piston–cylinder device contains 100 L of air at 400 kPa and 25°C.

Thermodynamics 4-70 An insulated piston–cylinder device contains 100 L of air at 400 kPa and 25°C.

Thermodynamics 4-69 Argon is compressed in a polytropic process with n = 1.2 from 120 kPa and 10°C

Thermodynamics 4-69 Argon is compressed in a polytropic process with n = 1.2 from 120 kPa and 10°C

Thermodynamics 4-68 An insulated piston–cylinder device initially contains 0.3 m3 of carbon dioxide

Thermodynamics 4-68 An insulated piston–cylinder device initially contains 0.3 m3 of carbon dioxide

Thermodynamics 4-67 A 4-m × 5-m × 6-m room is to be heated by a base-board resistance heater. It is

Thermodynamics 4-67 A 4-m × 5-m × 6-m room is to be heated by a base-board resistance heater. It is

Thermodynamics 4-66 An ideal gas contained in a piston–cylinder device undergoes an isothermal

Thermodynamics 4-66 An ideal gas contained in a piston–cylinder device undergoes an isothermal

Thermodynamics 4-65 An insulated rigid tank is divided into two equal parts by a partition.

Thermodynamics 4-65 An insulated rigid tank is divided into two equal parts by a partition.

Thermodynamics 4-64 A 4-m × 5-m × 7-m room is heated by the radiator of a steam-heating system. The

Thermodynamics 4-64 A 4-m × 5-m × 7-m room is heated by the radiator of a steam-heating system. The

Thermodynamics 4-63 A 10-ft3 tank contains oxygen initially at 14.7 psia and 80°F. A paddle wheel

Thermodynamics 4-63 A 10-ft3 tank contains oxygen initially at 14.7 psia and 80°F. A paddle wheel

Thermodynamics 4-62 1 kg of oxygen is heated from 20 to 120°C. Determine the amount of heat transfer

Thermodynamics 4-62 1 kg of oxygen is heated from 20 to 120°C. Determine the amount of heat transfer

Thermodynamics 4-61 A 3-m3 rigid tank contains hydrogen at 250 kPa and 550 K. The gas is now cooled

Thermodynamics 4-61 A 3-m3 rigid tank contains hydrogen at 250 kPa and 550 K. The gas is now cooled

Thermodynamics 4-60 A piston–cylinder device containing carbon-dioxide gas undergoes an isobaric

Thermodynamics 4-60 A piston–cylinder device containing carbon-dioxide gas undergoes an isobaric

Thermodynamics 4-59 Nitrogen at 100 psia and 300°F in a rigid container is cooled until its pressure

Thermodynamics 4-59 Nitrogen at 100 psia and 300°F in a rigid container is cooled until its pressure

Thermodynamics 4-58 Nitrogen in a rigid vessel is cooled by rejecting 100 kJ/kg of heat. Determine.

Thermodynamics 4-58 Nitrogen in a rigid vessel is cooled by rejecting 100 kJ/kg of heat. Determine.

Thermodynamics 4-57C Is it possible to compress an ideal gas isothermally in an adiabatic piston

Thermodynamics 4-57C Is it possible to compress an ideal gas isothermally in an adiabatic piston

Thermodynamics 4-56 Determine the enthalpy change Δh of oxygen, in Btu/ lbm, as it is heated from

Thermodynamics 4-56 Determine the enthalpy change Δh of oxygen, in Btu/ lbm, as it is heated from

Thermodynamics 4-55 Determine the internal energy change Δu of hydrogen, in kJ/kg, as it is heated

Thermodynamics 4-55 Determine the internal energy change Δu of hydrogen, in kJ/kg, as it is heated

Thermodynamics 4-54 A mass of 10 g of nitrogen is contained in the spring-loaded piston–cylinder

Thermodynamics 4-54 A mass of 10 g of nitrogen is contained in the spring-loaded piston–cylinder

Thermodynamics 4-53 What is the change in the enthalpy, in kJ/kg, of oxygen as its temperature

Thermodynamics 4-53 What is the change in the enthalpy, in kJ/kg, of oxygen as its temperature

Thermodynamics 4-52 Neon is compressed from 100 kPa and 20°C to 500 kPa in an isothermal compressor

Thermodynamics 4-52 Neon is compressed from 100 kPa and 20°C to 500 kPa in an isothermal compressor

Thermodynamics 4-51 What is the change in the internal energy, in Btu/lbm, of air as its temperature

Thermodynamics 4-51 What is the change in the internal energy, in Btu/lbm, of air as its temperature

Thermodynamics 4-50C Is the relation Δh = mc_p,avgΔT restricted to constant pressure processes

Thermodynamics 4-50C Is the relation Δh = mc_p,avgΔT restricted to constant pressure processes

Thermodynamics 4-49C Is the relation Δu = mc_v,avgΔT restricted to constant volume processes

Thermodynamics 4-49C Is the relation Δu = mc_v,avgΔT restricted to constant volume processes

Thermodynamics 4-48C A fixed mass of an ideal gas is heated from 50 to 80°C (a) at constant

Thermodynamics 4-48C A fixed mass of an ideal gas is heated from 50 to 80°C (a) at constant

Thermodynamics 4-47C A fixed mass of an ideal gas is heated from 50 to 80°C at a constant volume

Thermodynamics 4-47C A fixed mass of an ideal gas is heated from 50 to 80°C at a constant volume

Thermodynamics 4-46C A fixed mass of an ideal gas is heated from 50 to 80°C at a constant

Thermodynamics 4-46C A fixed mass of an ideal gas is heated from 50 to 80°C at a constant

Thermodynamics 4-45C Is the energy required to heat air from 295 to 305 K the same as the energy

Thermodynamics 4-45C Is the energy required to heat air from 295 to 305 K the same as the energy

Thermodynamics 4-44 Two tanks (Tank A and Tank B) are separated by a partition. Initially Tank A

Thermodynamics 4-44 Two tanks (Tank A and Tank B) are separated by a partition. Initially Tank A

Thermodynamics 4-43 Reconsider Prob. 4–42. Using appropriate software, investigate the effect of

Thermodynamics 4-43 Reconsider Prob. 4–42. Using appropriate software, investigate the effect of

Thermodynamics 4-42 An insulated tank is divided into two parts by a partition. One part of the tank

Thermodynamics 4-42 An insulated tank is divided into two parts by a partition. One part of the tank

Thermodynamics 4-41 A piston–cylinder device initially contains 0.6 m3 of saturated water vapor at

Thermodynamics 4-41 A piston–cylinder device initially contains 0.6 m3 of saturated water vapor at

Thermodynamics 4-40 Steam at 75 kPa and 8 percent quality is contained in a spring-loaded piston

Thermodynamics 4-40 Steam at 75 kPa and 8 percent quality is contained in a spring-loaded piston

Thermodynamics 4-39 A 40-L electrical radiator containing heating oil is placed in a 50-m3 room.

Thermodynamics 4-39 A 40-L electrical radiator containing heating oil is placed in a 50-m3 room.

Thermodynamics 4-38 An insulated piston–cylinder device contains 5 L of saturated liquid water at a

Thermodynamics 4-38 An insulated piston–cylinder device contains 5 L of saturated liquid water at a

Thermodynamics 4-37 2 kg of saturated liquid water at 150°C is heated at constant pressure in a

Thermodynamics 4-37 2 kg of saturated liquid water at 150°C is heated at constant pressure in a

Thermodynamics 4-36 A piston–cylinder device contains 0.5 lbm of water initially at 120 psia and 2

Thermodynamics 4-36 A piston–cylinder device contains 0.5 lbm of water initially at 120 psia and 2

Thermodynamics 4-35 A piston–cylinder device contains 5 kg of refrigerant-134a at 800 kPa and

Thermodynamics 4-35 A piston–cylinder device contains 5 kg of refrigerant-134a at 800 kPa and

Thermodynamics 4-34 A rigid 1-ft3 vessel contains R-134a originally at –20°F and 27.7 percent

Thermodynamics 4-34 A rigid 1-ft3 vessel contains R-134a originally at –20°F and 27.7 percent

Thermodynamics 4-33 A rigid 10-L vessel initially contains a mixture of liquid water and vapor at

Thermodynamics 4-33 A rigid 10-L vessel initially contains a mixture of liquid water and vapor at

Thermodynamics 4-32 A 20-ft3 rigid tank initially contains saturated refrigerant-134a vapor at 160

Thermodynamics 4-32 A 20-ft3 rigid tank initially contains saturated refrigerant-134a vapor at 160

Thermodynamics 4-31 A 0.5-m3 rigid tank contains refrigerant-134a initially at 160 kPa and 40%

Thermodynamics 4-31 A 0.5-m3 rigid tank contains refrigerant-134a initially at 160 kPa and 40%

Thermodynamics 4-30 A substance is contained in a well-insulated rigid container that is equipped .

Thermodynamics 4-30 A substance is contained in a well-insulated rigid container that is equipped .

Thermodynamics 4-29 Complete each line of the following table on the basis of the conservation of

Thermodynamics 4-29 Complete each line of the following table on the basis of the conservation of

Thermodynamics 4-28 A rigid container equipped with a stirring device contains 2.5 kg of motor oil.

Thermodynamics 4-28 A rigid container equipped with a stirring device contains 2.5 kg of motor oil.

Thermodynamics 4-27 A closed system like that shown in Fig. P4–27E is operated in an adiabatic

Thermodynamics 4-27 A closed system like that shown in Fig. P4–27E is operated in an adiabatic

Thermodynamics 4-26 Carbon dioxide contained in a piston–cylinder device is compressed from 0.3

Thermodynamics 4-26 Carbon dioxide contained in a piston–cylinder device is compressed from 0.3

Thermodynamics 4-25 Reconsider Prob. 4–24. Using appropriate software, investigate the effect of

Thermodynamics 4-25 Reconsider Prob. 4–24. Using appropriate software, investigate the effect of

Thermodynamics 4-24 A piston–cylinder device contains 50 kg of water at 250 kPa and 25°C. The

Thermodynamics 4-24 A piston–cylinder device contains 50 kg of water at 250 kPa and 25°C. The

Thermodynamics 4-23 An ideal gas undergoes two processes in a piston–cylinder device as follows:

Thermodynamics 4-23 An ideal gas undergoes two processes in a piston–cylinder device as follows:

Thermodynamics 4-22 1 kg of water that is initially at 90°C with a quality of 10 percent occupies a

Thermodynamics 4-22 1 kg of water that is initially at 90°C with a quality of 10 percent occupies a

Thermodynamics 4-21 Determine the boundary work done by a gas during an expansion process if the

Thermodynamics 4-21 Determine the boundary work done by a gas during an expansion process if the

Thermodynamics 4-20 A piston–cylinder device contains 0.15 kg of air initially at 2 MPa and 350°C.

Thermodynamics 4-20 A piston–cylinder device contains 0.15 kg of air initially at 2 MPa and 350°C.

Thermodynamics 4-19 A piston–cylinder device initially contains 0.4 kg of nitrogen gas at 160 kPa

Thermodynamics 4-19 A piston–cylinder device initially contains 0.4 kg of nitrogen gas at 160 kPa

100 jobs that is safe from Ai

100 jobs that is safe from Ai

Thermodynamics 4-18 During an expansion process, the pressure of a gas changes from 15 to 100 psia

Thermodynamics 4-18 During an expansion process, the pressure of a gas changes from 15 to 100 psia

Thermodynamics 4-17 A frictionless piston–cylinder device contains 5 kg of nitrogen at 100 kPa and

Thermodynamics 4-17 A frictionless piston–cylinder device contains 5 kg of nitrogen at 100 kPa and

Thermodynamics 4-16 Reconsider Prob. 4–15. Using appropriate software, plot the process described

Thermodynamics 4-16 Reconsider Prob. 4–15. Using appropriate software, plot the process described

Thermodynamics 4-15 During some actual expansion and compression processes in piston–cylinder

Thermodynamics 4-15 During some actual expansion and compression processes in piston–cylinder

Thermodynamics 4-14 A mass of 1.5 kg of air at 120 kPa and 24°C is contained in a gas-tight,

Thermodynamics 4-14 A mass of 1.5 kg of air at 120 kPa and 24°C is contained in a gas-tight,

Thermodynamics 4-13 A gas is compressed from an initial volume of 0.42 m3 to a final volume of

Thermodynamics 4-13 A gas is compressed from an initial volume of 0.42 m3 to a final volume of

Thermodynamics 4-12 Argon is compressed in a polytropic process with n = 1.2 from 120 kPa and 30°C

Thermodynamics 4-12 Argon is compressed in a polytropic process with n = 1.2 from 120 kPa and 30°C

Thermodynamics 4-11 1 m3 of saturated liquid water at 200°C is expanded isothermally in a closed

Thermodynamics 4-11 1 m3 of saturated liquid water at 200°C is expanded isothermally in a closed

Thermodynamics 4-10 A frictionless piston–cylinder device contains 16 lbm of superheated water vapor

Thermodynamics 4-10 A frictionless piston–cylinder device contains 16 lbm of superheated water vapor

Thermodynamics 4-9 A mass of 5 kg of saturated water vapor at 150 kPa isheated at constant

Thermodynamics 4-9 A mass of 5 kg of saturated water vapor at 150 kPa isheated at constant

Thermodynamics 4-8 A piston–cylinder device with a set of stops initially contains 0.6 kg of steam

Thermodynamics 4-8 A piston–cylinder device with a set of stops initially contains 0.6 kg of steam

Thermodynamics 4-7 The volume of 1 kg of helium in a piston–cylinder device is initially 5 m3. Now

Thermodynamics 4-7 The volume of 1 kg of helium in a piston–cylinder device is initially 5 m3. Now

Thermodynamics 4-6 Nitrogen at an initial state of 300 K, 150 kPa, and 0.2 m3 is compressed slowly

Thermodynamics 4-6 Nitrogen at an initial state of 300 K, 150 kPa, and 0.2 m3 is compressed slowly

Thermodynamics 4-5 Calculate the total work, in Btu, produced by the process of Fig. P4–5E.

Thermodynamics 4-5 Calculate the total work, in Btu, produced by the process of Fig. P4–5E.

Thermodynamics 4-4 Calculate the total work, in kJ, for process 1–3 shown in Fig. P4–4 when the

Thermodynamics 4-4 Calculate the total work, in kJ, for process 1–3 shown in Fig. P4–4 when the

Thermodynamics 4-3C An ideal gas at a given state expands to a fixed final volume first at constant

Thermodynamics 4-3C An ideal gas at a given state expands to a fixed final volume first at constant

Thermodynamics 4-2C On a P-v diagram, what does the area under the process curve represent?

Thermodynamics 4-2C On a P-v diagram, what does the area under the process curve represent?

Thermodynamics 4-1C Is the boundary work associated with constant-volume systems always zero?

Thermodynamics 4-1C Is the boundary work associated with constant-volume systems always zero?

Thermodynamics 3-143 Consider a sealed can that is filled with refrigerant-134a. The contents of the

Thermodynamics 3-143 Consider a sealed can that is filled with refrigerant-134a. The contents of the

Thermodynamics 3-142 The pressure of an automobile tire is measured to be 190 kPa (gage) before a

Thermodynamics 3-142 The pressure of an automobile tire is measured to be 190 kPa (gage) before a

Thermodynamics 3-141 A rigid tank contains 2 kg of an ideal gas at 4 atm and 40°C. Now a valve is

Thermodynamics 3-141 A rigid tank contains 2 kg of an ideal gas at 4 atm and 40°C. Now a valve is

Thermodynamics 3-140 Water is boiled in a pan on a stove at sea level. During 10 min of boiling, it

Thermodynamics 3-140 Water is boiled in a pan on a stove at sea level. During 10 min of boiling, it

Thermodynamics 3-139 Water is boiling at 1 atm pressure in a stainless-steel pan on an electric

Thermodynamics 3-139 Water is boiling at 1 atm pressure in a stainless-steel pan on an electric

Thermodynamics 3-138 Water is boiled at 1 atm pressure in a coffeemaker equipped with an immersion

Thermodynamics 3-138 Water is boiled at 1 atm pressure in a coffeemaker equipped with an immersion

Thermodynamics 3-137 A 240-m3 rigid tank is filled with a saturated liquid–vapor mixture of water at

Thermodynamics 3-137 A 240-m3 rigid tank is filled with a saturated liquid–vapor mixture of water at

Thermodynamics 3-136 A 3-m3 rigid vessel contains steam at 2 MPa and 500°C. The mass of the steam is

Thermodynamics 3-136 A 3-m3 rigid vessel contains steam at 2 MPa and 500°C. The mass of the steam is

Thermodynamics 3-135 A 1-m3 rigid tank contains 10 kg of water (in any phase or phases) at 160°C.

Thermodynamics 3-135 A 1-m3 rigid tank contains 10 kg of water (in any phase or phases) at 160°C.

Thermodynamics 3-134 Oxygen is maintained at 4 MPa and 20°C. Compare the specific volume of

Thermodynamics 3-134 Oxygen is maintained at 4 MPa and 20°C. Compare the specific volume of

Thermodynamics 3-133 Consider an 18-m-diameter hot-air balloon that, together with its cage, has a

Thermodynamics 3-133 Consider an 18-m-diameter hot-air balloon that, together with its cage, has a

Python code for image to speech

Python code for image to speech

Thermodynamics 3-132 Nitrogen is maintained at 400 psia and –100°F. Compare the specific .

Thermodynamics 3-132 Nitrogen is maintained at 400 psia and –100°F. Compare the specific .

Thermodynamics 3-131 Steam at 400°C has a specific volume of 0.02 m3/kg. Determine the pressure

Thermodynamics 3-131 Steam at 400°C has a specific volume of 0.02 m3/kg. Determine the pressure

Stages of job replacement by A.I

Stages of job replacement by A.I

Thermodynamics 3-130 Ethane at 10 MPa and 100°C is heated at constant pressure until its volume

Thermodynamics 3-130 Ethane at 10 MPa and 100°C is heated at constant pressure until its volume

Thermodynamics 3-129 Water initially at 300 kPa and 0.5 m3/kg is contained in a piston–cylinder

Thermodynamics 3-129 Water initially at 300 kPa and 0.5 m3/kg is contained in a piston–cylinder

Thermodynamics 3-128 On the property diagrams indicated below, sketch(not to scale) with respect

Thermodynamics 3-128 On the property diagrams indicated below, sketch(not to scale) with respect

Thermodynamics 3-127 On the property diagrams indicated below, sketch (not to scale) with respect

Thermodynamics 3-127 On the property diagrams indicated below, sketch (not to scale) with respect

Thermodynamics 3-126 A tank contains helium at 37°C and 140 kPa gage. The helium is heated in a

Thermodynamics 3-126 A tank contains helium at 37°C and 140 kPa gage. The helium is heated in a

Thermodynamics 3-125 Reconsider Prob. 3–124. Using appropriate software, investigate the effect

Thermodynamics 3-125 Reconsider Prob. 3–124. Using appropriate software, investigate the effect

Thermodynamics 3-124 A tank whose volume is unknown is divided into two parts by a partition. One

Thermodynamics 3-124 A tank whose volume is unknown is divided into two parts by a partition. One

Thermodynamics 3-123 A piston–cylinder device initially contains 0.2 kg of steam at 200 kPa and 300°

Thermodynamics 3-123 A piston–cylinder device initially contains 0.2 kg of steam at 200 kPa and 300°

Thermodynamics 3-122 A 4-L rigid tank contains 2 kg of saturated liquid–vapor mixture of water at

Thermodynamics 3-122 A 4-L rigid tank contains 2 kg of saturated liquid–vapor mixture of water at

Thermodynamics 3-121 A 10-kg mass of superheated refrigerant-134a at 1.2 MPa and 70°C is

Thermodynamics 3-121 A 10-kg mass of superheated refrigerant-134a at 1.2 MPa and 70°C is

Python code for Interactive flow chart

Python code for Interactive flow chart

Thermodynamics 3-120 A 9-m3 tank contains nitrogen at 17°C and 600 kPa. Some nitrogen is

Thermodynamics 3-120 A 9-m3 tank contains nitrogen at 17°C and 600 kPa. Some nitrogen is

Thermodynamics 3-119 Water initially at 300 kPa and 250°C is contained in a constant-volume tank.

Thermodynamics 3-119 Water initially at 300 kPa and 250°C is contained in a constant-volume tank.

Thermodynamics 3-118 A rigid tank with a volume of 0.117 m3 contains 1 kg of refrigerant-134a

Thermodynamics 3-118 A rigid tank with a volume of 0.117 m3 contains 1 kg of refrigerant-134a

Thermodynamics 3-117 One kilogram of R-134a fills a 0.090-m3 rigid container at an initial

Thermodynamics 3-117 One kilogram of R-134a fills a 0.090-m3 rigid container at an initial

Thermodynamics 3-116 A rigid tank contains nitrogen gas at 227°C and 100 kPa gage. The gas is heated

Thermodynamics 3-116 A rigid tank contains nitrogen gas at 227°C and 100 kPa gage. The gas is heated

Thermodynamics 3-115 The combustion in a gasoline engine may be approximated by a constant-volume

Thermodynamics 3-115 The combustion in a gasoline engine may be approximated by a constant-volume

Thermodynamics 3-114 A tank contains argon at 600°C and 200 kPa gage. The argon is cooled in a

Thermodynamics 3-114 A tank contains argon at 600°C and 200 kPa gage. The argon is cooled in a

Thermodynamics 3-113 The gage pressure of an automobile tire is measured to be 200 kPa before a

Thermodynamics 3-113 The gage pressure of an automobile tire is measured to be 200 kPa before a

Thermodynamics 3-112 Carbon dioxide gas at 3 MPa and 500 K flows steadily in a pipe at a rate of 0.4

Thermodynamics 3-112 Carbon dioxide gas at 3 MPa and 500 K flows steadily in a pipe at a rate of 0.4

Can you be a software engineer if you're colour blind

Can you be a software engineer if you're colour blind

Thermodynamics 3-111 A rigid tank contains an ideal gas at 300 kPa and 600 K. Now half of the gas

Thermodynamics 3-111 A rigid tank contains an ideal gas at 300 kPa and 600 K. Now half of the gas

Thermodynamics 3-110 Complete the blank cells in the following table of properties of refrigerant

Thermodynamics 3-110 Complete the blank cells in the following table of properties of refrigerant

Thermodynamics 3-109 Complete the blank cells in the following table of properties of steam. In the

Thermodynamics 3-109 Complete the blank cells in the following table of properties of steam. In the

Thermodynamics 3-108 A thermos bottle is half-filled with water and is left open to the atmospheric

Thermodynamics 3-108 A thermos bottle is half-filled with water and is left open to the atmospheric

Thermodynamics 3-107 Consider two rooms that are identical except that one is maintained at 25°C

Thermodynamics 3-107 Consider two rooms that are identical except that one is maintained at 25°C

Thermodynamics 3-106 During a hot summer day when the air temperature is 35°C and the relative

Thermodynamics 3-106 During a hot summer day when the air temperature is 35°C and the relative

Thermodynamics 3-105 On a certain day, the temperature and relative humidity of air over a large

Thermodynamics 3-105 On a certain day, the temperature and relative humidity of air over a large

Thermodynamics 3-104 Consider a glass of water in a room that is at 20°C and 40 percent relative

Thermodynamics 3-104 Consider a glass of water in a room that is at 20°C and 40 percent relative

Thermodynamics 3-103 During a hot summer day at the beach when the air temperature is 30°C, someone

Thermodynamics 3-103 During a hot summer day at the beach when the air temperature is 30°C, someone

Thermodynamics 3-102 1 lbm of carbon dioxide is heated in a constant pressure apparatus. Initially,

Thermodynamics 3-102 1 lbm of carbon dioxide is heated in a constant pressure apparatus. Initially,

Thermodynamics 3-101 Reconsider Prob. 3–100. Solve the problem using appropriate software. Compare

Thermodynamics 3-101 Reconsider Prob. 3–100. Solve the problem using appropriate software. Compare

Thermodynamics 3-100 A 1-m3 tank contains 2.841 kg of steam at 0.6 MPa. Determine the temperature

Thermodynamics 3-100 A 1-m3 tank contains 2.841 kg of steam at 0.6 MPa. Determine the temperature

Thermodynamics 3-99 100 grams of carbon monoxide are contained in a weighted piston–cylinder device.

Thermodynamics 3-99 100 grams of carbon monoxide are contained in a weighted piston–cylinder device.

Thermodynamics 3-98 Reconsider Prob. 3–97. Using appropriate soft compare the specific volume

Thermodynamics 3-98 Reconsider Prob. 3–97. Using appropriate soft compare the specific volume

Python code to automate renaming files by date

Python code to automate renaming files by date

Thermodynamics 3-97 Nitrogen at 150 K has a specific volume of 0.041884 m3/kg. Determine the

Thermodynamics 3-97 Nitrogen at 150 K has a specific volume of 0.041884 m3/kg. Determine the

Thermodynamics 3-96 A 3.27-m3 tank contains 100 kg of nitrogen at 175 K. Determine the pressure

Thermodynamics 3-96 A 3.27-m3 tank contains 100 kg of nitrogen at 175 K. Determine the pressure

Thermodynamics 3-95 Refrigerant-134a at 400 psia has a specific volume of 0.1144 ft3/lbm.

Thermodynamics 3-95 Refrigerant-134a at 400 psia has a specific volume of 0.1144 ft3/lbm.

Thermodynamics 3-94 What is the physical significance of the two constants that appear in the van

Thermodynamics 3-94 What is the physical significance of the two constants that appear in the van

Thermodynamics 3-93 What is the percentage of error involved in treating carbon dioxide at 5 MPa

Thermodynamics 3-93 What is the percentage of error involved in treating carbon dioxide at 5 MPa

Thermodynamics 3-92 Saturated water vapor at 400°F is heated at constant pressure until its volume

Thermodynamics 3-92 Saturated water vapor at 400°F is heated at constant pressure until its volume

Thermodynamics 3-91 A 0.016773-m3 tank contains 1 kg of refrigerant-134a at 110°C. Determine the

Thermodynamics 3-91 A 0.016773-m3 tank contains 1 kg of refrigerant-134a at 110°C. Determine the

Thermodynamics 3-90 Ethane in a rigid vessel is to be heated from 50 psia and 100°F until its

Thermodynamics 3-90 Ethane in a rigid vessel is to be heated from 50 psia and 100°F until its

Python code for mouse cursor hovering over pixel and tells you the colour

Python code for mouse cursor hovering over pixel and tells you the colour

Thermodynamics 3-89 Carbon dioxide gas enters a pipe at 3 MPa and 500 K at a rate of 2 kg/s. CO2 is

Thermodynamics 3-89 Carbon dioxide gas enters a pipe at 3 MPa and 500 K at a rate of 2 kg/s. CO2 is

Thermodynamics 3-88 Ethylene is heated at constant pressure from 5 MPa and 20°C to 200°C. Using the

Thermodynamics 3-88 Ethylene is heated at constant pressure from 5 MPa and 20°C to 200°C. Using the

Python code for Therodynamic error rate calculator

Python code for Therodynamic error rate calculator

Thermodynamics 3-87 Determine the specific volume of nitrogen gas at 10 MPa and 150 K based on

Thermodynamics 3-87 Determine the specific volume of nitrogen gas at 10 MPa and 150 K based on

Python code for match the colour game

Python code for match the colour game

Thermodynamics 3-86 Determine the specific volume of superheated water vapor at 3.5 MPa and 450°C

Thermodynamics 3-86 Determine the specific volume of superheated water vapor at 3.5 MPa and 450°C

Thermodynamics 3-85 Reconsider Prob. 3–84. Solve the problem usingappropriate software. Compare

Thermodynamics 3-85 Reconsider Prob. 3–84. Solve the problem usingappropriate software. Compare