FUNDAMENTALS OF THERMODYNAMICS
10th Edition
ISBN: 9781119803645
Author: Sonntag
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 3, Problem 3.136P
A solar pond with 20°C salt water,
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Water, assumed to be a perfect liquid, has a density of 1000 kg/m3 and a specific heatof 4184 J/kgK. The water undergoes an adiabatic, frictionless process in which itspressure is raised from 170 kPa to 850 kPa. Find the following:(a) the change of specific internal energy (J/kg)(b) the change in temperature (K)
a 3 kW electric resistance heater in a room is turned on and kept on for 55 min. the amount of energy transferred to the room by the heater is ?
A room measures 6x6x4m the air in it is to be renewed twice and hour and it is to be maintained 15°C above the incoming air temperature. Find the capacity of the heater assuming a loss of 10% of the heat. Assume air density of 12.8 grams per cubic cm.
Chapter 3 Solutions
FUNDAMENTALS OF THERMODYNAMICS
Ch. 3 - What is 1cal in SI units and what is the name...Ch. 3 - A car engine is rated at 110kW . What is the power...Ch. 3 - Why do we write E or E2E1 , whereas we write 1Q2...Ch. 3 - If a process in a control mass increases energy...Ch. 3 - Assume a physical setup as in Fig. P3.6(a). We now...Ch. 3 - Figure P3.6 shows three physical situations. Show...Ch. 3 - For the indicated physical setup in (a), (b), and...Ch. 3 - Assume the physical situation in Fig. P3.6b; what...Ch. 3 - Figure P3.9 shows three physical situations; show...Ch. 3 - That can you say about the beginning state of the...
Ch. 3 - A thermopane window traps some gas between the two...Ch. 3 - Prob. 3.12PCh. 3 - Prob. 3.13PCh. 3 - The electric bill is calculating usage in kWh....Ch. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - Prob. 3.17PCh. 3 - You heat a gas 10K at P=C . Which one in Table A.5...Ch. 3 - You mix 20C water with 50C water in an open...Ch. 3 - A piston motion moves a 25kg hammerhead vertically...Ch. 3 - A pump pushes 1000m3 of liquid water at 15C up to...Ch. 3 - A 1200kg car accelerates from zero to 100km/h over...Ch. 3 - A hydraulic hoist raises a 1750kg car 1.8m in an...Ch. 3 - Prob. 3.24PCh. 3 - A hydraulic cylinder of area 0.01m2 must push a...Ch. 3 - A hydraulic cylinder has a piston cross-sectional...Ch. 3 - A bulldozer pushes 800kg of din l00m with a force...Ch. 3 - Two hydraulic cylinders maintain a pressure of...Ch. 3 - A motor delivers 50hp on a drive shaft at 1800rpm...Ch. 3 - Solve Problem 3.24, but assume that the steam...Ch. 3 - The R4l0A in Problem 3.1 2c is at 1000kPa,50C with...Ch. 3 - A 400L tank, A (see Fig. P3.32), contains argon...Ch. 3 - A piston/cylinder assembly contains 2kg of liquid...Ch. 3 - Heat transfer to a 1.5kg block of ice at -10C...Ch. 3 - A cylinder fitted with a frictionless piston...Ch. 3 - A piston cylinder contains 2kg of water at 20C...Ch. 3 - A nitrogen gas goes through a polytropic process...Ch. 3 - Helium gas expands from 125kPa,350K and 0.25m3 to...Ch. 3 - A balloon behaves so that the pressure is P=C2V1/3...Ch. 3 - A 15cm thick concrete wall, k=1.28W/mK , has a...Ch. 3 - The brake shoe and steel drum of a car...Ch. 3 - Prob. 3.42PCh. 3 - A power plant condenser (heat exchanger) transfers...Ch. 3 - Prob. 3.44PCh. 3 - A steel Pot, with conductivity of 15W/m and a 50mm...Ch. 3 - A wall surface on a house is 30C with an...Ch. 3 - A radiant heat lamp is a rod, tong and in diameter...Ch. 3 - A radiant beating lamp has a surface temperature...Ch. 3 - Determine the phase of the following substances...Ch. 3 - Find the phase and the missing properties of P, T,...Ch. 3 - Indicate the location of the four states in...Ch. 3 - Find the missing property of P, T, y, u, h, and x...Ch. 3 - Find the missing properties for carbon dioxide at...Ch. 3 - Find the missing property of P, T, y, u, h, and x...Ch. 3 - Saturated liquid water at 20C is compressed to a...Ch. 3 - Consider a steel bottle as a CV. It contains...Ch. 3 - A piston cylinder contains water with quality 75...Ch. 3 - Problem 3.137 and write the left-hand side...Ch. 3 - Saturated vapor R410A at 0C in a rigid tank is...Ch. 3 - A constant-pressure piston/cylinder assembly...Ch. 3 - A container is split in two equal volumes by a...Ch. 3 - A cylinder fined with a frictionless piston...Ch. 3 - A piston/cylinder contains 1.5kg of water at...Ch. 3 - Ammonia (0.5kg) in a piston cy1tnde at 200kPa,10C...Ch. 3 - A water-filled reactor with a volume of 1m3 is at...Ch. 3 - A rigid 1kg steel tank holds 0.75kg ammonia at 70C...Ch. 3 - Prob. 3.68PCh. 3 - A piston/cylinder arrangement with a linear spring...Ch. 3 - Prob. 3.70PCh. 3 - Assume the same setup as in Problem 3.66. but the...Ch. 3 - A rigid steel tank contains 0.5kgR410A at 0°C with...Ch. 3 - Redo the previous problem when you also consider...Ch. 3 - Prob. 3.74PCh. 3 - Supetheated refrigerant R-134a at 20°C and 100 kPa...Ch. 3 - In a sink, 5 L of water at 70°C is combined with 1...Ch. 3 - Prob. 3.77PCh. 3 - A copper block of volume 1 L s heat treated at...Ch. 3 - A car with mass 1275 kg is driven at 60 km h when...Ch. 3 - A piston cylinder (0.5 kg steel altogether)...Ch. 3 - An engine, shown in Fig P3.81, consists of a 100kg...Ch. 3 - Use the ideal gas air A.7 to evaluate the specific...Ch. 3 - Estimate the constant specific heats for R-134a...Ch. 3 - Find the change in u for carbon dioxide between...Ch. 3 - Nitrogen at 300 K. 3 MPa is heated to 500 K Find...Ch. 3 - Repeat Problem 3.84 for nitrogen gas.Ch. 3 - Find the change in enthalpy for carbon dioxide...Ch. 3 - Water at 20°C and 100 kPa is brought to l00 kPa...Ch. 3 - Prob. 3.89PCh. 3 - A rigid container has 2 kg of oxygen gas at l00...Ch. 3 - Air (3kg) is in a piston cylinder similar to...Ch. 3 - A 10-m-high cylinder. with a cross-sectional area...Ch. 3 - A cylinder with a piston restrained by a linear...Ch. 3 - A constant pressure container is filled with 1 kg...Ch. 3 - A spring-loaded piston cylinder contains 1.5kg of...Ch. 3 - An insulated cylinder is divided into two pans of...Ch. 3 - Helium gas expands from 125 kPa, 350 K and 0.25m3...Ch. 3 - A piston cylinder device contains 0.1 kg of air at...Ch. 3 - A gasoline engine has a piston/cylinder with 0.1...Ch. 3 - Solve the previous problem using Table A.7.Ch. 3 - A piston/cylinder has nitrogen gas at 750 K and...Ch. 3 - A piston/cylinder assembly has 1 kg of propane gas...Ch. 3 - A piston cylinder arrangement of initial volume...Ch. 3 - A piston/cylinder assembly in a car contains 0.2 L...Ch. 3 - Air goes through a polytropic process with n=1.3...Ch. 3 - Saturated vapor R410A at 10°C of mass 0.6 kg is in...Ch. 3 - A helium gas heated at constant volume from 100...Ch. 3 - A piston/cylinder shown in Fig. P3.108 contains...Ch. 3 - A piston/cylinder has water at 200 kPa, x=0.5 and...Ch. 3 - Ten kilograms of water in a piston/cylinder...Ch. 3 - Water in piston/cylinder (Fig. P3.111) is a...Ch. 3 - A setup lake the one in Fig P3.108 has the R-410A...Ch. 3 - The piston/cylinder inFig. P3.113 contains 0.1 kg...Ch. 3 - A piston/cylinder arrangement contains 5 kg of...Ch. 3 - A piston/cylinder setup similar to Problem 3.110...Ch. 3 - A piston/cylinder contains air at 1000 kPa, 800 K...Ch. 3 - Prob. 3.117PCh. 3 - A 100-hp car engine has a drive shaft rotating at...Ch. 3 - Prob. 3.119PCh. 3 - As fresh-poured concrete hardens, the chemical...Ch. 3 - A 1.2-kg pot of water at 20°C is put on a stove...Ch. 3 - A computer in a closed room of volume 200m3...Ch. 3 - A 500-W heater is used to melt 2 kg of solid ice...Ch. 3 - A 3-kg mass of nitrogen gas at 2000 K, V=C , cools...Ch. 3 - Electric power as volts times amperes (P=Vi) ....Ch. 3 - A copper wire of diameter 2 mm is 10m long and...Ch. 3 - A battery is well insulated while being charged by...Ch. 3 - A sheet of rubberis stretched out over a ring of...Ch. 3 - Assume a balloon material with a constant surface...Ch. 3 - A soap bubble has a surface tension of =3104N/cm...Ch. 3 - According to Table 3.4 residential buildings in US...Ch. 3 - total energy use in the US from Table 3.4 for 2011...Ch. 3 - A wind turbine with 20m diameter rotors spins at...Ch. 3 - Prob. 3.134PCh. 3 - A house is being designed to use a thick concrete...Ch. 3 - A solar pond with 20°C salt water, Cp=3.8kJ/kg-K...Ch. 3 - Prob. 3.137PCh. 3 - A rigidtank is divided into tworooms,both...Ch. 3 - A piston/cylinder has a water volume separated in...Ch. 3 - The cylinder volume below the constant loaded...Ch. 3 - Air in tank B is at 200 kPa, 280 K and mass 1 kg....Ch. 3 - A piston/cylinder setup (Fig P3.110) contains 1 kg...Ch. 3 - Two kilograms of water is contained in a...Ch. 3 - A piston cylinder has 0.1 kg water at x=0.5 ,...Ch. 3 - A piston/cylinder arrangement has the piston...Ch. 3 - A vertical/cylinder (Fig. P3.146) has a 61.18-kg...Ch. 3 - Water in a piston/cylinder, similar to Fig P3.110,...Ch. 3 - A rigid container has two rooms filled with water,...Ch. 3 - Prob. 3.149PCh. 3 - A piston/cylinder setup, similar to Fig. P3.143,...Ch. 3 - A spherical balloon contains 2 kg of R-410A at 0°C...Ch. 3 - Prob. 3.152PCh. 3 - Prob. 3.153EPCh. 3 - Work as Fx has units of lbf ft. What is that in...Ch. 3 - Work in the expression in Eq. 3.18 or Eq. 3.22...Ch. 3 - Prob. 3.156EPCh. 3 - Prob. 3.157EPCh. 3 - You heat a gas 20 R at P=C . Which gas in Table...Ch. 3 - A piston motion moves a 50-lbm hammerhead...Ch. 3 - A pump pushes 35000ft3 of liquid water at 60 F up...Ch. 3 - Prob. 3.161EPCh. 3 - Prob. 3.162EPCh. 3 - Prob. 3.163EPCh. 3 - A car with tires of outer radius 12 in. drives...Ch. 3 - The R-410A in Problem 3.9(c) is at 150 psia, 120 F...Ch. 3 - Prob. 3.166EPCh. 3 - A nitrogen gas goes through apolytropic process...Ch. 3 - Find the rate of conduction heat transfer per unit...Ch. 3 - The sun shines on a 1500-ft2 road surface so that...Ch. 3 - Find the missing properties and give the phase of...Ch. 3 - Find the missing properties among (P,T,v,u,h)...Ch. 3 - Find the missing properties among (P,T,v,u,h)...Ch. 3 - Saturated vapor R-410A at 60 F in a rigid tank is...Ch. 3 - A containeris split in two equal volumes by a...Ch. 3 - Saturated vapor R-410A at 200 psia in a...Ch. 3 - A cylinder fitted with a frictionless piston...Ch. 3 - Prob. 3.177EPCh. 3 - A water-filled reactor with a volume of 50ft3 is...Ch. 3 - Prob. 3.179EPCh. 3 - A piston/cylinder arrangement with a linear spring...Ch. 3 - Prob. 3.181EPCh. 3 - Prob. 3.182EPCh. 3 - Prob. 3.183EPCh. 3 - Prob. 3.184EPCh. 3 - Prob. 3.185EPCh. 3 - A closed rigid container is filled with 3 lbm...Ch. 3 - An insulated cylinder is divided into two parts of...Ch. 3 - Helium gas expands from 20 psia, 600 R, and 9ft3...Ch. 3 - Prob. 3.189EPCh. 3 - A cylinder fitted with a frictionless piston...Ch. 3 - Prob. 3.191EPCh. 3 - A piston/cylinder contains air at 150 psia, 1400 R...Ch. 3 - A piston/cylinder has 2 lbm of R-134a at state 1...Ch. 3 - A force of 300 lbf moves a truck at a speed of 40...Ch. 3 - Prob. 3.195EPCh. 3 - Water is in a piston/cylinder maintaining constant...Ch. 3 - A mass of 6 lbm nitrogen gas at 3600 R, V=C ,...Ch. 3 - Prob. 3.198EPCh. 3 - Ammonia is contained in a sealed, rigid tank at 30...Ch. 3 - Water in a piston/cylinder, similar to Fig....
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- While 45 kJ / min heat loss occurs from a room containing air to the environment, work input to the room at a speed of 1.2 kW from computers, TVs and lamps realizes. So what is the change in the energy of the air in the room after 30 minutes?arrow_forwardWater at 2.5 MPa and 200°C is heated at constant temperature up to a quality of 80%. Find (a) the quantity of heat received by the water, (b) the change in internal energy, and (c) the work of a nonflow process. ANS. (a)2025.7 ki/kg; (b) 1396.5 ki/kg; (c) 629.17 ki/kg.arrow_forwardIf 8lbs of a substance receives 240BTU 9+of heat constant volume and undergo a temperature change of 150°F.arrow_forward
- A piston cylinder containing 0.55 kg helium of 285 ⁰K receives heat at constant temp. until the pressure is one-third its value. Find the heat added and. R of helium = 2.08 kJ/kg ⁰K.arrow_forwardIn a thermodynamic process, pressure of a fixed mass of gas is changed in such a manner that the gas releases 20 joule of heat and 8 joule of work was done on the gas. If the initial internal energy of the gas was 30 joule, then the final internal energy will be:arrow_forwardH.W: - 0.8m of gas at 8bar and 27°C is compressed isothermally until its volume is ¼ time the original volume, then its heated at constant pressure to original volume, finally its cooled at constant volume to original condition. Find: - a- the heat transferred. b- Work done c- Change in internal energy. (draw the processes on p-v diagram) Take cp=1.01kj/kg.k, R=0.28kj/kg.karrow_forward
- A computer in a closed room of volume 200 m³ dissipates energy at a rate of 5 kW. The room has 500 kg of wood, 45 kg of steel, and air, with all material at 300 K and 100 kPa. Assuming all the mass heats up uniformly, how long will it take to increase the temperature 10°C?arrow_forwardIn a reciprocating air compressor, high pressure air in the cylinder pushes the piston against theexternal load and expand to a lower pressure. In a test the following measurements were noted:Internal energy of air before expansion = 27 kJInternal energy of air after expansion = 8 kJHeat entering the cylinder during the process = 2 kJFind the work output from the expansion process.arrow_forwardA container with an air-tight piston is at a pressure of 100 psia and at a temperature of 70oF.The piston moves up when 100 BTU of heat is transferred at constant pressure and the volume changes form 0.5 ft3 to 2.0 ft3 . Assuming perfect gaw behavior, calculate the change in internal energy and final temp.arrow_forward
- I am trying to find the temperature of the room after 5 hours the room has a volume of 5 m^3 with an initail pressure of 100 kPa and 30 deg C. There is also a 130 Watt fan that is running in the room for the duration of that time. I am trying to find the final temperature of the room but I keep getting final temperatures such as 800 deg C.arrow_forwardI need the answer as soon as possiblearrow_forwardSolve it correctly it's urgentarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
First Law of Thermodynamics, Basic Introduction - Internal Energy, Heat and Work - Chemistry; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=NyOYW07-L5g;License: Standard youtube license