Answered: gas inside a piston-cylinder…

gas inside a piston-cylinder arrangement is being compressed by a 50 kJ of work. If its internal energy increases from 60 kJ to 100 kJ, how much heat is being rejected by the gas?

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 27RQ: How many Btu/h would be produced in a 12-kW electricheater?

See similar textbooks

Related questions

Q: If the steam undergoes a process under Pv^1.273 = C, and the work steady flow is found to be 496.74…

A: given; PV1.273=Csteady flow work(w)=496.74BTUnon-flow work(w1)=?

Q: A frictionless piston-cylinder device contains a gas initially at 0.8 MPa and 0.015 m³ .It expands…

A: Given:Initial pressure, P1=0.8 MPa or 800 kPaInitial volume, V1=0.015 m3Final Volume, V2=0.03 m3

Q: Consider a room that is initially at the outdoor temperature of 20°C. The room contains a 60-W…

A: Given data: Outdoor temperature T=20°C Room Contains 60 W Light bulb 110 W TV set 300 W Refrigerator…

Q: When 100 kJ of work is done on a closed system during a process, the total energy of the system…

Q: What is the internal energy of 0.19 liter refrigerant 134a at a pressure of 120 kPa and a…

A: Solution:

Q: 7. Steam turbine receives steam at 7MPa and 550 deg C and exhausts as 20kPa. Determine the turbine…

Q: Q.47 A closed system receives 60 kJ heat but its internal energy decreases by 30 kJ. Then the work…

A: The first law of thermodynamics states that in a closed cycle, the sum of heat is equal to the sum…

Q: The adiabatic compressor in a refrigerator compresses saturated R-134a vapor at -10.0°F to 200 psia.…

Q: Determine the total work done by a gas system following an expansion process as shown in Figure…

A: Given Gas system To find Total work done

Q: Piston-cylinder device contains 2 kg of steam. The steam undergoes an internal energy change of -40…

A: Given data: Change in internal energy = -40 kJ/kg Heat transfer = -50 kJ Need to determine the…

Q: For an engine the maximum work obtained under ideal conditions is 80 kW and actual work is 60 kW,…

Q: A gas contained in a cylinder is compressed the work required for compression being 5000 kJ During…

Q: During a steady flow process, the pressure of the working substance drops from 200 to 20 psia, the…

Q: A closed system receives 250 kJ of energy by the work mode and loses 150 kJ by the heat mode. It is…

A: Given: The amount of energy receive by closed by work is W=250 kJ. The amount of energy lost by…

Q: Q19: A stationary mass of gas is compressed without friction from an initial state of 2 m3 and 2 ×…

A: Initial volume , V1=2 m3Initial Pressure, P1=2×105 Pafinal volume , V1=1 m3final Pressure, P1=2×105…

Q: A fluid undergoes a non-flow frictionless process. Work is -156.2kJ. if V1=0.845m3 and the pressure…

Q: The fluid in a tank receives 50 kJ of heat while a shaft delivers 10 kJ of work. The heat loss from…

A: Given Heat supplied, QS = 50 kJ Heat rejected, QR = 20 kJ Shaft work, w = 10 kJ Initial…

Q: During the execution of a reversible non-flow process the work is -156.2 KJ if V1=0.845 and the…

Q: A gas contained in a vertical cylindrical tank has a volume of [10 + (K/100)] m3 . The gas receives…

Q: A gas contained in a cylinder is compressed, the work required for compression being 4000 kJ. During…

A: Option C is correct. Internal energy of the gas during the process is +2500 kj.

Q: If 100000 J of work is given to the helium gas, then the change in internal energy is

Q: 2. What is the net-Work (Wne) of a 1000-kg car travelling at 30 m/s and reducing its speed to 10…

Q: A gas contained in a piston cylinder. The gas expands slowly from an initial pressure and volume of…

Q: which of the following processes leads to a "posotive non-zero" work? A. Cooling in an isochoric…

A: For solution refer below images.

Q: During a steady flow process, the pressure of the working substance drops from 200 to 20 psia, the…

Q: Energy is added to a piston-cylinder arrangement and the piston is withdrawn in such a way that the…

Q: -2 ) Determine the heat need to be supplied for a Carnot engine operating between 600°C and 40°C…

Q: In a system, 90 kJ of heat is supplied from state 1 to state 2 by constant volume process. The…

A: Solution: The P-V diagram of the process is shown above. From process 1-2…

Q: (i) The decrease in availability; ii) The maximum work; ii) The irreversibility.

A: Given: T1= 520oC P1= 5 bar T2= 300oC P2=1 bar T0= 20oC To determine: The decrease in availability…

Q: If the change in internal energy during adiabatic process is 10 kJ, then its work done is…

Q: A gas contained in a vertical cylindrical tank has a volume of [10 + (106990/100)] m3. The gas…

Q: If the steam undergoes a process under Pv1.243 = C, and the work steady flow is found to be 343.99…

Q: pressure from 1 bar to 30 bar. Take the density of theliquid as 990 kg/m³. The isentropic specific…

A: given:density ρ=990kg/m3dp=30bar

Q: One pound of air per second with an initial temperature of 180 °F is allowed to expand without flow…

A: Calculate the given mass flow rate of air in kg/s. m˙=1 lbm/s =1 lbm/s0.4536 kg1 lbm =0.4536…

Q: A passive solar house that was losing heat to the outdoors at 5°C at an average rate of 50,000 kJ/h…

A: Given: N=50 V=20 lt P= 15 kW T1=80°C T2=22°C t=10 h Q=50000 kJ/h

Q: If 200 J of heat is released by a reservoir at 373 K and absorbed by a second reservoir at 273 K,…

Q: 1. During a steady flow process, the pressure of the working substance drops from 200 to 20 psia,…

Q: Consider an insulated system with piston and cylinder arrangement in which Oxygen gas is present. If…

A: Given Data ∆U=100 kJ Q=0 (insulated)

Q: A closed system receives 60 kJ heat but its internal energy decreases by 30 kJ. Then the work done…

Q: A 800 J of work is done by a system, while 500 J of heat is removed from the system.

A: Given that, Work done by the systen, W=800 J,Heat removed from the system, Q=-500 JNegative sign is…

Q: rictionless piston-cylinder device contains a gas initially at 0.8 MPa and 0.015 m³. It expands…

A: Given: A Frictionless piston-cylinder device,Initial pressure, P1=0.8 MPaInitial volume, V1=0.015…

Q: A rigid tank contains a hot fluid that is cooled while being stirred by a paddle wheel. Initially,…

Q: 3.) A piston-cylinder system contains a gas that expands under a constant pressure of 0.58 kg;/cm?.…

Q: A closed system receives 60 kJ heat but its internal energy decreases by 30 kJ. Then the work done…

A: First law of thermodynamics states that in a closed cycle, the sum of heat is equal to sum of work.…

Question

A gas inside a piston-cylinder arrangement is being compressed by a 50 kJ of work. If its internal energy increases from 60 kJ to 100 kJ, how much heat is being rejected by the gas?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

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

If the energy crossing the boundary of a closed system is not heat, it must be work?
During a process, 50 kJ of work is done on a closed system while 20 kJ of heat is lost from the system. If the initial internal energy of the system is 90 kJ, what is the final internal energy of the system?
A room is heated as a result of solar radiation coming in through the windows. Is this a heat or work interaction for the room?
A spring whose spring constant is 200 lbf/in has an initial force of 100 lbf acting on it. Determine the work, in Btu, required to compress it another 1 in
Give an example of in the absence of any work interactions, the energy change of a system is equal to the net heat transfer.
In a closed system, this mode of work occurs when the volume V of a system changes. a. Shaft work b. Boundary work c. electrical work d. Power
A gas in a piston-cylinder assembly undergoes a process for which the relationship between pressure and volume is pV2 = constant. The initial pressure is 9 bar, the initial volume is 2 m3, and the final pressure is 4 bar. Determine the work magnitude for this process in kJ.
2) A crane lifts a container of 32 [Ton] mass, on a platform located at a height of h, and this takes a time of t = 9.3 [s], if the engine of the crane develops a power of 125663 [Watts]. How high is this platform? For the purpose of solving this problem, use gravity as 10 m / s ^ 2.
A pressure cooker containing some water has an internal energy of 300 kJ. If 0.5 kg of steam with an enthalpy of 1800 kJ/kg escapes through the safety valve, what is the work necessary for the steam to escape the pressure cooker?
1. During a steady flow process, the pressure of the working substance drops from 200 to 20 psia, the speed increases from 200 to 1000 fps, the internal energy of the open system decreases 25 Btu/lb, and the specific volume increases from 1 to 8 ft3/lb. no heat is transferred. Sketch an energy diagram. Determine the work per lb. Is it done on or done by the substance? Determine the work in hp for 10 lb per min.
An air conditioner removes heat steadily from a house at a rate of 750 kJ/min while drawing electric power at a rate of 5.25 kW. Determine the rate of heat transfer to the outside air.
Three hundred kilojoules of heat is added in a piston cylinder arrangement containing air causing it to expand in a polytropic process. If the polytropic exponent is 1.2 (PV^1.2 = c), determine the work done.