EBK FUNDAMENTALS OF THERMODYNAMICS, ENH
9th Edition
ISBN: 9781119321453
Author: Sonntag
Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 3, Problem 3.115P
To determine
(a)
The heat transfer of air using constant specific heat of air.
To determine
(b)
The heat transfer of air without using constant specific heat of air.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
of air at 300 K and 150 kPa. It's now heated in a two-
Q: A piston cylinder contains 1.5
step processes: first by a constant volume process to 1000 K second a constant pressure
process to 1500 K. find the heat transfer for this processes.
4. Water is contained in a rigid vessel of 5 m' at a quality of 0.8 and a pressure of 2 MPa. If the
pressure is reduced to 400 kPa by cooling the vessel, find the final mass of vapor mg and
mass of liquid mf.
Helium at 660 K expands in a turbine to 369 K during which 84 kJ/kg of heat was lost to
the surroundings which are at 27 C. The pressure across the turbine was 6.0, What is
the actual specific work "kJ/kg"?
Chapter 3 Solutions
EBK FUNDAMENTALS OF THERMODYNAMICS, ENH
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 - Prob. 3.5PCh. 3 - Prob. 3.6PCh. 3 - Prob. 3.7PCh. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Prob. 3.10P
Ch. 3 - Prob. 3.11PCh. 3 - Prob. 3.12PCh. 3 - A thermopane window traps some gas between the two...Ch. 3 - Prob. 3.14PCh. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - The electric bill is calculating usage in kWh....Ch. 3 - Prob. 3.18PCh. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 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 - Prob. 3.26PCh. 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. 3.29PCh. 3 - A hydraulic cylinder of area 0.01m2 must push a...Ch. 3 - A hydraulic cylinder has a piston cross-sectional...Ch. 3 - Prob. 3.32PCh. 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 - Prob. 3.36PCh. 3 - Prob. 3.37PCh. 3 - Prob. 3.38PCh. 3 - Prob. 3.39PCh. 3 - Prob. 3.40PCh. 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 - Prob. 3.46PCh. 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. 3.50PCh. 3 - Prob. 3.51PCh. 3 - A power plant condenser (heat exchanger) transfers...Ch. 3 - Prob. 3.53PCh. 3 - A steel Pot, with conductivity of 15W/m and a 50mm...Ch. 3 - Prob. 3.55PCh. 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 - Prob. 3.61PCh. 3 - Prob. 3.62PCh. 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 - Prob. 3.67PCh. 3 - Consider a steel bottle as a CV. It contains...Ch. 3 - A piston cylinder contains water with quality 75...Ch. 3 - Prob. 3.70PCh. 3 - Prob. 3.71PCh. 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 - Prob. 3.75PCh. 3 - A cylinder fined with a frictionless piston...Ch. 3 - A piston/cylinder contains 1.5kg of water at...Ch. 3 - Prob. 3.78PCh. 3 - Ammonia (0.5kg) in a piston cy1tnde at 200kPa,10C...Ch. 3 - Prob. 3.80PCh. 3 - A rigid 1kg steel tank holds 0.75kg ammonia at 70C...Ch. 3 - Prob. 3.82PCh. 3 - Prob. 3.83PCh. 3 - Prob. 3.84PCh. 3 - Prob. 3.85PCh. 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. 3.88PCh. 3 - Prob. 3.89PCh. 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. 3.92PCh. 3 - Prob. 3.93PCh. 3 - Prob. 3.94PCh. 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 - Prob. 3.97PCh. 3 - Prob. 3.98PCh. 3 - Use the ideal gas air A.7 to evaluate the specific...Ch. 3 - Prob. 3.100PCh. 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 - Prob. 3.103PCh. 3 - Prob. 3.104PCh. 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. 3.107PCh. 3 - A rigid container has 2 kg of oxygen gas at l00...Ch. 3 - Prob. 3.109PCh. 3 - Prob. 3.110PCh. 3 - Prob. 3.111PCh. 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 - Prob. 3.115PCh. 3 - Prob. 3.116PCh. 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 - Prob. 3.121PCh. 3 - Prob. 3.122PCh. 3 - A piston/cylinder assembly has 1 kg of propane gas...Ch. 3 - A piston cylinder arrangement of initial volume...Ch. 3 - Prob. 3.125PCh. 3 - Prob. 3.126PCh. 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 - Prob. 3.130PCh. 3 - Prob. 3.131PCh. 3 - Prob. 3.132PCh. 3 - Prob. 3.133PCh. 3 - Prob. 3.134PCh. 3 - Prob. 3.135PCh. 3 - Prob. 3.136PCh. 3 - Prob. 3.137PCh. 3 - Prob. 3.138PCh. 3 - Prob. 3.139PCh. 3 - Prob. 3.140PCh. 3 - Prob. 3.141PCh. 3 - Prob. 3.142PCh. 3 - Prob. 3.143PCh. 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 - Prob. 3.149PCh. 3 - Electric power as volts times amperes (P=Vi) ....Ch. 3 - A copper wire of diameter 2 mm is 10m long and...Ch. 3 - Prob. 3.152PCh. 3 - A battery is well insulated while being charged by...Ch. 3 - Prob. 3.154PCh. 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 - Prob. 3.159PCh. 3 - A wind turbine with 20m diameter rotors spins at...Ch. 3 - Prob. 3.161PCh. 3 - Prob. 3.162PCh. 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. 3.165PCh. 3 - Prob. 3.166PCh. 3 - Prob. 3.167PCh. 3 - Prob. 3.168PCh. 3 - Prob. 3.169PCh. 3 - Prob. 3.170PCh. 3 - Prob. 3.171PCh. 3 - Prob. 3.172PCh. 3 - A piston cylinder has 0.1 kg water at x=0.5 ,...Ch. 3 - Prob. 3.174PCh. 3 - A piston/cylinder arrangement has the piston...Ch. 3 - Prob. 3.176PCh. 3 - Prob. 3.177PCh. 3 - Prob. 3.178PCh. 3 - Prob. 3.179PCh. 3 - Prob. 3.180PCh. 3 - Prob. 3.181PCh. 3 - Prob. 3.182PCh. 3 - A spherical balloon contains 2 kg of R-410A at 0°C...Ch. 3 - Prob. 3.184PCh. 3 - Prob. 3.185EPCh. 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. 3.188EPCh. 3 - Prob. 3.189EPCh. 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. 3.193EPCh. 3 - Prob. 3.194EPCh. 3 - Prob. 3.195EPCh. 3 - Prob. 3.196EPCh. 3 - Prob. 3.197EPCh. 3 - A car with tires of outer radius 12 in. drives...Ch. 3 - Prob. 3.199EPCh. 3 - Prob. 3.200EPCh. 3 - A nitrogen gas goes through apolytropic process...Ch. 3 - Prob. 3.202EPCh. 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 - Prob. 3.205EPCh. 3 - Prob. 3.206EPCh. 3 - Prob. 3.207EPCh. 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. 3.212EPCh. 3 - Prob. 3.213EPCh. 3 - Prob. 3.214EPCh. 3 - Prob. 3.215EPCh. 3 - Prob. 3.216EPCh. 3 - Prob. 3.217EPCh. 3 - Prob. 3.218EPCh. 3 - Prob. 3.219EPCh. 3 - Prob. 3.220EPCh. 3 - Prob. 3.221EPCh. 3 - Prob. 3.222EPCh. 3 - A closed rigid container is filled with 3 lbm...Ch. 3 - Prob. 3.224EPCh. 3 - Prob. 3.225EPCh. 3 - Helium gas expands from 20 psia, 600 R, and 9ft3...Ch. 3 - Prob. 3.227EPCh. 3 - A cylinder fitted with a frictionless piston...Ch. 3 - Prob. 3.229EPCh. 3 - Prob. 3.230EPCh. 3 - Prob. 3.231EPCh. 3 - Prob. 3.232EPCh. 3 - A force of 300 lbf moves a truck at a speed of 40...Ch. 3 - Prob. 3.234EPCh. 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. 3.237EPCh. 3 - Prob. 3.238EPCh. 3 - Ammonia is contained in a sealed, rigid tank at 30...Ch. 3 - Prob. 3.240EP
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
- A piston / cylinder contains 2 kg of air at 27 °C and 200 kPa. The piston is loaded with a linear spring, mass and the atmospheric pressure. Stops are mounted so that Vstop is 3m' at which the pressure is 600 kPa, see figure 2. The air is now heated to 400 kPa. Find the final volume and the work done. 2.arrow_forwardA piston cylinder has 6 kg of air at 300 K and 150 kPa. It is now heated up in a two step process. First constant volume to 1000 K (state 2) then followed by a constant pressure process to 1500 K, state 3. Find the final volume and final pressure. (R of air = 0.287 KJ/kg K)arrow_forwardA piston cylinder has 2.2kg of air at 300 K and 150 kPa. It is now heated up in a two step process. First constant volume to 1000 K (state 2) then followed by a constant pressure process to 1500 K, state 3. Find the final volume and final pressure. (R of air = 0.287 KJ/kg K)arrow_forward
- Thermodynamics problem. A 5m3 rigid container containing water of 80% quality and a pressure of 2MPa. If the pressure is reduced to 400KP a by cooling the container, find the final mass of the vapor mg and the mass of the liquid mf .arrow_forwardAn automobile tire is inflated to 105 kPa at 30 deg. C. After being driven the temperature rises to 55 deg. C. Find the final pressure under isochoric process.arrow_forward1. A piston/ Cylinder contains 1 kg of water at 20oC with volume 0.1 m3. By mistake someone locks the piston, preventing it from moving while we heat the water to saturated vapor. Find the final temperature, amount of heat transfer and the work in this process.arrow_forward
- Ten kilograms of water in a piston/cylinder arrangement exist as saturated liquid/vapor at 100 kPa, with a quality of 50%. It is now heated so that the volume triples. The mass of the piston is such that a cylinder pressure of 200 kPa will float it. A. Find the final temperature and volume of the waterB. Find the work given out by the waterarrow_forwardi need the answer quicklyarrow_forwardi need the answer quicklyarrow_forward
- 2. Water as saturated vapor at 70 bar is heated at in a rigid vessel until its pressure reaches 100 bar. By using steam table, a. find the final T (°C), Au and Ah (kJ/kg) b. assuming an ideal gas, calculate Ah (kJ/kg) do the energy balance to find q (kJ/kg)? 3. Determine the internal energy change of hydrogen in kJ/kg as it heated from 76.85 °C to 526.85°C by using: a. empirical molar specific heat data from Table A-2(c) b. specific heat at the average temperature from Table A-2(b). C. the 300 K value for the specific heat from Table A-2(a).arrow_forwardQl: A closed steel bottle contains ammonia at -20°C, x 20% and the volume is 0.05 m3.It has a safety valve that opens at a pressure of 1.4 MPa. By accident, the bottle is heated until the safety valve opens. Find the temperature and heat transfer when the valve first opens.arrow_forwardA rigid insulated tank is separated into two rooms by a stiff plate. Room A of 0.5 m 3 contains air at 250Kpa, 300 K and room B is 1 m 3 has air at 200 Kpa, 1000 K. the plate is removed and the air comes to auniform state without any heat transferred. find the final temp and pressure of the room.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Refrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
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