THERMODYNAMICS (LL)-W/ACCESS >CUSTOM<
9th Edition
ISBN: 9781266657610
Author: CENGEL
Publisher: MCG CUSTOM
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Chapter 3.8, Problem 111RP
(a)
To determine
The final temperature of the gas.
(b)
To determine
The final pressure of the gas when no mass was withdrawn from the tank.
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Students have asked these similar questions
The piston cylinder system shown below contains R-410a at 20°C and 100 kPa. If the temperature of the R-410a is increased to 50°C in a constant pressure process, what is the specific volume of the R-410a in the cylinder at the final state?
A piston-cylinder device initially contains 1 kg saturated liquid water at 220°C. Now heat
is transferred to the water until the volume expands quadruple of its initial volume.
Eventually, the cylinder contains saturated vapor only.
Determine the volume at the final stage.
(i)
(ii)
Determine the final temperature and pressure.
(iii)
Determine the internal energy change of the water.
(iv) Sketch the T-v diagram and include all the related information.
3–37E A spring-loaded piston-cylinder device is initially
filled with 0.2 Ibm of an R-134a liquid-vapor mixture whose
temperature is -30°F and whose quality is 80 percent.
The spring constant in the spring force relation F = kx is
37 lbf/in, and the piston diameter is 12 in. The R-134a
undergoes a process that increases its volume by 40 percent.
Calculate the final temperature and enthalpy of the R-134a.
Answers: 81.5°F, 120 Btu/lbm
%3D
Spring
Fluid
D-
FIGURE P3-37E
Chapter 3 Solutions
THERMODYNAMICS (LL)-W/ACCESS >CUSTOM<
Ch. 3.8 - A propane tank is filled with a mixture of liquid...Ch. 3.8 - Is iced water a pure substance? Why?Ch. 3.8 - What is the difference between saturated vapor and...Ch. 3.8 - What is the difference between saturated liquid...Ch. 3.8 - If the pressure of a substance is increased during...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 - A househusband is cooking beef stew for his family...Ch. 3.8 - How does a boiling process at supercritical...Ch. 3.8 - What is quality? Does it have any meaning in the...
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 - Which process requires more energy: completely...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 - In the absence of compressed liquid tables, how is...Ch. 3.8 - A perfectly fitting pot and its lid often stick...Ch. 3.8 - Complete this table for H2O:Ch. 3.8 - Complete this table for H2O:Ch. 3.8 - Complete this table for H2O:Ch. 3.8 - Complete this table for H2O:Ch. 3.8 - Complete this table for refrigerant-134a: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 - One pound-mass of water fills a container whose...Ch. 3.8 - A pistoncylinder device contains 0.85 kg of...Ch. 3.8 - 10 kg of R-134a fill a 1.115-m3 rigid container at...Ch. 3.8 - What is the specific internal energy of water at...Ch. 3.8 - What is the specific volume of water at 5 MPa and...Ch. 3.8 - What is the specific volume of R-134a at 20C and...Ch. 3.8 - Refrigerant-134a at 200 kPa and 25C flows through...Ch. 3.8 - One kilogram of R-134a fills a 0.14-m3 weighted...Ch. 3.8 - One kilogram of water vapor at 200 kPa fills the...Ch. 3.8 - The temperature in a pressure cooker during...Ch. 3.8 - How much error would one expect in determining the...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 - Saturated steam coming off the turbine of a steam...Ch. 3.8 - A person cooks a meal in a 30-cm-diameter pot that...Ch. 3.8 - Water is boiled at 1 atm pressure in a...Ch. 3.8 - Repeat Prob. 347 for a location at 2000-m...Ch. 3.8 - Prob. 49PCh. 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 - 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 - One kilogram of water fills a 150-L rigid...Ch. 3.8 - 10 kg of R-134a fill a 0.7-m3 weighted...Ch. 3.8 - A pistoncylinder device contains 0.6 kg of steam...Ch. 3.8 - A pistoncylinder device initially contains 1.4 kg...Ch. 3.8 - Water is being heated in a vertical pistoncylinder...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 - The spring-loaded pistoncylinder device shown in...Ch. 3.8 - A pistoncylinder device initially contains steam...Ch. 3.8 - Under what conditions is the ideal-gas assumption...Ch. 3.8 - What is the difference between mass and molar...Ch. 3.8 - Propane and methane are commonly used for heating...Ch. 3.8 - What is the specific volume of oxygen at 25 psia...Ch. 3.8 - A 100-L container is filled with 1 kg of air at a...Ch. 3.8 - A mass of 1 lbm of argon is maintained at 200 psia...Ch. 3.8 - A 400-L rigid tank contains 5 kg of air at 25C....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 - A 1-m3 tank containing air at 10C and 350 kPa is...Ch. 3.8 - A mass of 10 g of oxygen fill a weighted...Ch. 3.8 - A mass of 0.1 kg of helium fills a 0.2 m3 rigid...Ch. 3.8 - A rigid tank whose volume is unknown is divided...Ch. 3.8 - A rigid tank contains 20 lbm of air at 20 psia and...Ch. 3.8 - In an informative article in a magazine it is...Ch. 3.8 - What is the physical significance of the...Ch. 3.8 - Determine the specific volume of refrigerant-134a...Ch. 3.8 - Refrigerant-134a at 400 psia has a specific volume...Ch. 3.8 - Determine the specific volume of superheated water...Ch. 3.8 - Determine the specific volume of superheated water...Ch. 3.8 - Determine the specific volume of nitrogen gas at...Ch. 3.8 - Prob. 88PCh. 3.8 - Carbon dioxide gas enters a pipe at 3 MPa and 500...Ch. 3.8 - Prob. 90PCh. 3.8 - A 0.016773-m3 tank contains 1 kg of...Ch. 3.8 - Prob. 92PCh. 3.8 - What is the percentage of error involved in...Ch. 3.8 - What is the physical significance of the two...Ch. 3.8 - Refrigerant-134a at 400 psia has a specific volume...Ch. 3.8 - A 3.27-m3 tank contains 100 kg of nitrogen at 175...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. 103PCh. 3.8 - Prob. 104PCh. 3.8 - On a certain day, the temperature and relative...Ch. 3.8 - Prob. 106PCh. 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 - Complete the blank cells in the following table of...Ch. 3.8 - Complete the blank cells in the following table of...Ch. 3.8 - Prob. 111RPCh. 3.8 - Prob. 112RPCh. 3.8 - The gage pressure of an automobile tire is...Ch. 3.8 - A tank contains argon at 600C and 200 kPa gage....Ch. 3.8 - The combustion in a gasoline engine may be...Ch. 3.8 - Prob. 116RPCh. 3.8 - Prob. 117RPCh. 3.8 - A rigid tank with a volume of 0.117 m3 contains 1...Ch. 3.8 - A 9-m3 tank contains nitrogen at 17C and 600 kPa....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 - Prob. 123RPCh. 3.8 - A tank whose volume is unknown is divided into two...Ch. 3.8 - Prob. 125RPCh. 3.8 - A tank contains helium at 37C and 140 kPa gage....Ch. 3.8 - Prob. 127RPCh. 3.8 - On the property diagrams indicated below, sketch...Ch. 3.8 - Ethane at 10 MPa and 100C is heated at constant...Ch. 3.8 - Steam at 400C has a specific volume of 0.02 m3/kg....Ch. 3.8 - Consider an 18-m-diameter hot-air balloon that,...Ch. 3.8 - Prob. 135FEPCh. 3.8 - A 3-m3 rigid vessel contains steam at 2 MPa and...Ch. 3.8 - Prob. 137FEPCh. 3.8 - Water is boiled at 1 atm pressure in a coffeemaker...Ch. 3.8 - Prob. 139FEPCh. 3.8 - Water is boiled in a pan on a stove at sea level....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...Ch. 3.8 - Consider a sealed can that is filled with...
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- 3-34 10 kg of R-134a fills a 1.115 m³ rigid container at an initial temperature of -30°C. The container is then heated until the pressure is 200 kPa. Determine the final temperature and the initial pressure.arrow_forward3–50 A rigid tank with a volume of 1.8 m contains 40 kg of saturated liquid-vapor mixture of water at 90°C. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized. Also, show the process on a T-V diagram with respect to saturation lines. Answer: 256°Carrow_forwardNiloarrow_forward
- A 15 liter rigid bottle contains 15 kg of the refrigerant R-134A and it is at a temperature of 20°C. It is left in a hot car and reaches a temperature of 65°C. Determine the initial and final pressures. Is there any possibility of the bottle failing due to excessive pressure? (You can make this determination if it is a subcooled liquid.)arrow_forwardSee Attachedarrow_forwardA rigid tank contains an ideal gas at 300 kPa and 600 K. Now half of the gas is withdrawn from the tank and the gas is found at 100 kPa at the end of the process. Determine (a) the final temperature of the gas and (b) the final pressure if no mass was withdrawn from the tank and the same final temperature was reached at the end of the process.arrow_forward
- 0.2 m^3 of an ideal gas at a pressure of 2Mpa and 600 k is expanded isothermally to 5 times the initial volume. It is then cooled to 300 K at constant Volume and then compressed back polytropically to its initial state. Show the process on a P-V diagram and determine the work done.arrow_forwardA rigid tank of volume 0.6 m3 contains saturated R-134a vapor at 24°C. The contents are cooled until the temperature is O°c. How much heat is removed? Show the process on a P-v diagram.arrow_forwardSteam is contained in a 2-L volume at a pressure of 2.0 MPa and a temperature of 400°C. If the pressure is held constant by expanding the volume while 20 kJ of heat is added, what is the final temperature and the work done?arrow_forward
- Steam is contained in a 4-L volume at a pressure of 1.5 MPa and a temperature of 400 C. If the pressure is held constant by expanding the volume while 20 kJ of heat is added, the final temperature is nearestarrow_forwardA piston–cylinder device initially contains 1 kg saturated liquid water at 200°C. Now heat is transferred to the water until the volume quadruples and the cylinder contains saturated vapor only. Determine the final temperature.arrow_forwardSee Attachedarrow_forward
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