FUNDAMENTALS OF THERMODYNAMICS10th EditionSonntag Publisher: WILEYISBN: 9781119803645
FUNDAMENTALS OF THERMODYNAMICS
Solutions for FUNDAMENTALS OF THERMODYNAMICS
Problem 2.2P:
What is the minimum pressure for liquid carbon dioxide?Problem 2.4P:
Is it possible to have water vapor at 5 ?Problem 2.5P:
At higher elevations, as in mountains, air pressure is lower; how does that affect the cooking of...Problem 2.7P:
Can a vapor exist below the triple point temperature?Problem 2.8P:
Ice cubes can disappear and food can dry out (freezer burn) in the freezer. That happens to the ice?Problem 2.11P:
Locate the state of R410A at 500kPa,10C . Indicate in both the Pv and Tv diagrams the location of...Problem 2.14P:
As the pressure of a gas becomes larger, Z becomes larger than 1. What does that imply?Problem 2.15P:
Carbon dioxide at 280K can be in three different phases; vapor, liquid. and solid. Indicate the...Problem 2.16P:
Find the lowest temperature at which it is possible to have water in the liquid phase. At what...Problem 2.17P:
Water at 27C can exist in different phases, depending on the pressure. Give the approximate pressure...Problem 2.18P:
Dry ice is the name of solid carbon dioxide. How cold must it be at atmospheric (100kPa) pressure?...Problem 2.19P:
A substance is at 2MPa and 17C in a rigid tank. Using only the critical properties, can the phase of...Problem 2.20P:
Determine the phase for each of these cases a. Water5C,100kPa b. Ammonia5C,100kPa c. R410A5C,700kPa...Problem 2.22P:
Determine the phase of the substance at the given state using appendix B tables. a. Water:...Problem 2.23P:
Give the missing property of PvT and x for water at a. 10MPa,0.003m3/kg b. 1MPa,190C c....Problem 2.24P:
Determine whether refrigerant R410A in each of the following states is a compressed liquid, a...Problem 2.25P:
Show the states in Problem 2.24 in a sketch of the Pv diagram. Determine whether refrigerant R-410A...Problem 2.26P:
Fill out the following table for substance ammonia:Problem 2.27P:
Place the two states ab listed in Problem 2.26 as labeled dots in a sketch of the Pv and Tv...Problem 2.28P:
Determine the specific volume for R410A at these states: a. 15C,400kPa b. 20C,1500kPa c....Problem 2.29P:
Place the three states ac listed in previous problem as labeled dots in a sketch of the Pv and Tv...Problem 2.32P:
You want a pot of water to boil at 105C . How heavy a lid should you put on the 15cm -diameter pot...Problem 2.33P:
Water at 400kPa a quality of 75 has its pressure raised 200kPa in a constant-volume process. What is...Problem 2.34P:
Saturated water vapor at 200kPa is in a constant-pressure piston cylinder assembly. At this state...Problem 2.35P:
Saturated liquid water at 60C is put under pressure to decrease the volume by 1 while keeping the...Problem 2.36P:
A constant pressure piston cylinder has water at 1000kPa with a quality of 25 . Its temperature is...Problem 2.37P:
A glass jar is filled with saturated water at 500kPa of quality 75 , and a tight Lid is put on. Now...Problem 2.38P:
Saturated vapor R4l0A at 60C has to pressure decreased to increase the volume by 10 . while keeping...Problem 2.39P:
Ammonia at 20C with a quality of 50 and a total mass of 2kg is in a rigid tank with an outlet valve...Problem 2.40P:
Repeat the previous problem if the outlet valve is at the bottom taking saturated liquid out until...Problem 2.41P:
R134a is in a sealed, rigid vessel of 2m3 as saturated vapor at 50C . It is now cooled to 20C . Find...Problem 2.42P:
A storage tank holds methane at 120K , with a quality of 25 , and it warms up by 5C per hour due to...Problem 2.43P:
A 400m3 storage tank is being constructed to hold liquified natural gas (LGN). which may be assumed...Problem 2.44P:
Carbon dioxide at 6000kPa,40C is cooled in a closed rigid tank to -10C . At what temperature did it...Problem 2.45P:
A pressure cooker has the lid screwed on tight. A small opening with A=5mm2 is covered with a...Problem 2.46P:
A 1m3 tank is filled with a gas at room temperature (20C) and pressure (200kPa) . How much mass is...Problem 2.47P:
A pneumatic cylinder (a piston cylinder with air) must close a door with a force of 500N . The...Problem 2.48P:
Is it reasonable to assume that at the given states the substance behaves as an ideal gas? a. Oxygen...Problem 2.49P:
Helium in a steel tank is at 250kPa,300K with a volume of 0.2m3 . It is used to fill a balloon. Then...Problem 2.50P:
A spherical helium balloon l0m in diameter is at ambient T and P,15C and l00kPa . How much helium...Problem 2.51P:
A glass is cleaned in hot water at 35°C and placed on the table bottom up. The room air at 20C that...Problem 2.52P:
Air in a car tire is initially at 10C and 190kPa . After the car is driven awhile, the temperature...Problem 2.53P:
A rigid tank of 1m3 contains nitrogen gas at 600kPa,400K . By mistake, someone lets 0.6kg flow out....Problem 2.54P:
Assume we have three states of saturated vapor R-134a at +40C,0C, and 40C . Calculate the specific...Problem 2.55P:
Do Problem 2.54 for R-410A Assume we have three states of saturated vapor R-134a at +40C,0C, and 40C...Problem 2.56P:
Do problem 2.54 for the substance ammonia. Assume we have three states of saturated vapor R-134a at...Problem 2.57P:
A cy1inica1 gas tank 1m long, with an inside diameter of 20cm , is evacuated and then filled with...Problem 2.58P:
Ammonia in a piston cylinder arrangement is at 700kPa and 80C . It is now cooled at constant...Problem 2.59P:
Find the compressibility factor (Z) for saturated vapor ammonia at l00kPa and at 2000kPa .Problem 2.60P:
Find the compressibility factor for methane at a. 8MPa,200K b. 8kPa,300K c. 150K,v=0.05m3/kgProblem 2.61P:
Find the compressibility for carbon dioxide at 60C and 10MPa using Fig D.1. and repeat with Table...Problem 2.62P:
What is the percent error in specific volume if the ideal gas model is used to represent the...Problem 2.63P:
Estimate the saturation pressure of R142b at 300K .Problem 2.64P:
A bottle a volume of 0.1m3 contains butane with a quality of 75 and a temperature of 300K . Estimate...Problem 2.66P:
Argon is kept in a rigid 5m3 tank at 30C and 3MPa . Determine the mass using the compressibility...Problem 2.67P:
A new refrigerant, R152a . is stored as a liquid at 20C with a small amount of vapor. For...Problem 2.68P:
Determine the pressure of nitrogen at 160K,v=0.00291m3/kg using ideal gas, the van der Waals EOS,...Problem 2.69P:
Determine the pressure of nitrogen at 160K,v=0.00291m3/kg using the Soave EOS and the nitrogen...Problem 2.70P:
Carbon dioxide at 60C is pumped at a very high pressure. 10MPa , into an oil well to reduce the...Problem 2.71P:
Solve Problem 2.70 using the Soave EOS. Notice that this becomes a trial-and-error process.Problem 2.72P:
A tank contains 8.35kg of methane in 0.1m3 at 250K . Find the pressure using ideal gas, the van der...Problem 2.73P:
Do the previous problem using the Redlich-Kwong EOS.Problem 2.74P:
Do the Problem 2.72 using the Soave EOS.Problem 2.75P:
Determine the unknowns of T, v and x if two phase of the following substances at the given four...Problem 2.76P:
Give the phase and the missing properties of P, T, v, and x. These may be a little more difficult to...Problem 2.77P:
Refrigerant R410A in a piston/cylinder arrangement is initially at l5C with x=1 . It is then...Problem 2.78P:
Water in a piston cylinder is at 90C,100kPa , and the piston loading is such that pressure is...Problem 2.79P:
A tank contains 2kg of saturated ammonia vapor at 70C . The tank is now cooled to 20C by heat...Problem 2.80P:
A container with liquid nitrogen at l00K has a cross-sectional area of 0.5m2 , as shown in Fig....Problem 2.81P:
Determine the mass of methane gas stored in a 2m3 tank at 30C,2MPa . Estimate the percent error in...Problem 2.82P:
What is the percent error in pressure if the ideal gas model is used to represent the behavior of...Problem 2.84P:
Use a linear interpolation to estimate the missing properties of(P, T, y and x) for ammonia at a....Problem 2.85P:
Use a linear interpolation to estimate Tsat at 900kPa for nitrogen. Sketch by hand the curve Psat(T)...Problem 2.86P:
Use a double linear interpolation to find the pressure for superheated R134a at 13C with v=0.3m3/kg...Problem 2.87EP:
Cabbage needs to be cooked (boiled) at 250 F. What pressure should the pressure cooker be set for?Problem 2.89EP:
If I have 1ft3 of ammonia at 15psia,60F , what is the mass?Problem 2.90EP:
Locate the state of R410A at 30 psia, 20F . Indicate in both the Pv and Tv diagrams the location of...Problem 2.91EP:
A substance is at 300lbf/in.2,65F in a rigid tank. Using only the critical properties, can the phase...Problem 2.93EP:
Determine the phase of the substance at the given state using Appendix F tables. a. Water:...Problem 2.94EP:
Give the phase and the missing property of P, T, v, and x for R134a at a. T=10F,P=l8psia b....Problem 2.95EP:
Fill out the following table for substance ammonia. Place the two states ab as labeled dots in a...Problem 2.96EP:
Give the phase and the specific volume for the following: a. R410A,T=25F,P=30lbf/in.2 b....Problem 2.97EP:
Give the missing property of P, T, v, and x for a. R410A,at80psia,v=0.2ft3/lbm b. R-410A at...Problem 2.98EP:
Saturated liquid water at 150F is put under pressure to decrease the volume by 1 while keeping the...Problem 2.99EP:
You want a pot of water to boil at 220F . How heavy a lid should you put on the 6-in-diameter pot...Problem 2.100EP:
Saturated water vapor 240F has its pressure decreased to increase the volume by 10 , keeping the...Problem 2.101EP:
Saturated vapor R4l0A at 100F has its pressure increased to decrease the volume by 20 while the...Problem 2.102EP:
A glass jar is filled with saturated water at 300F and quality 25 , and a tight lid is put on. Now...Problem 2.103EP:
A pressure cooker has the lid screwed on tight. A small opening with A=0.0075in.2 is covered with a...Problem 2.105EP:
Repeat the previous problem if the outlet valve is at the top taking saturated vapor out until no...Problem 2.106EP:
A cylindrical gas tank 3ft long, with an inside diameter of 8in. , is evacuated and then filled with...Problem 2.107EP:
A spherical helium balloon 30ft in diameter is at ambient T and P,60F and 14.69psia . How much...Problem 2.108EP:
Helium in a steel tank s at 36psia , 540R with a volume of 4ft3 . It is used to fill a balloon. When...Problem 2.109EP:
A 35ft3 rigid tank has propane at 25psia,540R and is connected by a valve to another tank of 20 ft3...Problem 2.110EP:
What is the percent error in specific volume if the ideal gas model is used to represent the...Problem 2.111EP:
Air in a car tire is initially at 10F and 30psia . After the car is driven awhile, the temperature...Problem 2.112EP:
R4l0A at 200psia , 100F is cooled in a closed rigid tank to 30F . At what temperature did it become...Problem 2.113EP:
Refrigerant- 410A in a piston cylinder arrangement is initially at 60F,x=1 . It is then expanded in...Problem 2.114EP:
A substance is at 70F,300Ibf/in.2 in a 10ft3 tank. Estimate the mass from the compressibility chart...Problem 2.115EP:
Estimate the saturation pressure of R142b at 540R .Problem 2.116EP:
Determine the mass of an ethane gas stored in a 25ft3 tank at 250F,440lbf/in.2 using the...Browse All Chapters of This Textbook
Chapter 1 - Introduction And PreliminariesChapter 2 - Properties Of A Pure SubstanceChapter 3 - Energy Equation And First Law Of ThermodynamicsChapter 4 - Energy Analysis For A Control VolumeChapter 5 - The Second Law Of ThermodynamicsChapter 6 - EntropyChapter 7 - Entropy Analysis For A Control VolumeChapter 9 - Power And Refrigiration Systems-with Phase Change
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