Answered: When 100 kJ of work is done on a closed…

When 100 kJ of work is done on a closed system during a process, the total energy of the system increases by 55.0 kJ. Calculate how much heat is either added or removed from the system?

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

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.

See similar textbooks

Related questions

Q: A 5-cm-external-diameter, 10-m-long hot water pipe at 80°C is losing heat to the surrounding air at…

Q: Explain the energy is recognized as heat transfer only as it crosses the system boundary?

A: Heat builds up due to temperature change, it can only be considered as energy once the sates can be…

Q: r of 2.29" is to be enlarged by blowing air into it. If the surface tension of the soap solution is…

Q: A Carnot engine produces 58,639 hp of power while operating between temperature limits of 1,229°F…

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: Determine the work interaction when a gas absorbs 12 kJ of heat which cause the internal energy to…

A: Givenq=12 kJE=30 kJAskedWork done=?SolutionE=q+W

Q: Determine the Kinetic energy in BTU of a 8 lbm block moving at a velocity of 85 ft/s.

A: Given data mass of block (m)= 8 lbm velocity of block(v) = 85 ft/s

Q: When is work said to be done by a system. Is there any difference between work transfer and heat…

A: Work done is a way through which energy transfer occurs between the system Energy is the ability or…

Q: A device that operates on a permanent basis is capable of producing 135 kJ of work for each kg of…

A: Given: Input conditions: Pressure, P1=600 kPaTemperature,T1=200oCSpeed,C1=16 m/sHeight Z1=32 m…

Q: A motor hoists a 60-kg crate at a constant velocity to a height of 5 m in 2 s. If the indicated…

Q: The pressure inside a system varies inversely with the square of the volume of the system. Determine…

A: The initial volume of the system is, V1=2 m3 The initial pressure of the system is, P1=200 kPa The…

Q: soap bubble with a diameter of 2.12" is to be enlarged by blowing air into it. If the surface…

Q: 350 kJ of heat is added in a piston-cylinder arrangement containing air causing it to expand in a…

Q: A 1000 MW steam power plant, which is cooled by a river, has a thermal efficiency of 50 percent.…

Q: A 90-hp (shaft output) electric car is powered by an electric motor mounted in the engine…

A: Given Output energy, E2 = 90 hp Efficiency = 91% =…

Q: What is the change in the internal energy, in Btu/lbm, of air as its temperature changes from 100 to…

A: Given: The initial temperature of the air is T1 = 100 °F. The final temperature of the air is T2 =…

Q: If the work done by a conservative force on a particle as it moves between two positions is –10 N·m,…

A: Conservative force and potential energy.

Q: 15. Water is being heated in a closed pan on top of a range while being stirred by a paddle wheel.…

Q: Three hundred kilojoules of heat is added in a piston cylinder arrangement containing air causing it…

A: Polytropic heat addition and work done relation is used.

Q: Consider an environment of zero absolute pressure (such as outer space). How will the actual work…

A: Given: The absolute pressure of the environment is PO=0 kPa.

Q: Air flows steadily at the rate of 0.5 kg/s through an air compressor, entering at 7 m/s speed, 100…

Q: A steam turbine is receiving 1014 lbm/hr of steam, determine the HP output of the turbine if the…

A: The power output of the turbine is the product of the mass rate of steam and work done by steam…

Q: Calculate the total kinetic energy, in BTU, of an object with a mass of 10 kg when its velocity is…

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: How much work, in kJ, can a spring whose spring constant is 3 kN/cm produce after it has been…

A: Given: The compression of the spring is x=3 cm. The spring constant is k=3 kN/cm.

Q: During the expansion of a gas in piston-cylinder the relation between the pressure and the volume is…

A: Given data: Polytropic process with polytropic index (n) = 1.2 Initial pressure (P1) = 500 kPa…

Q: A gas contained in a vertical cylindrical tank has a volume of [10 + (30/100)] m³. The gas receives…

Q: Calculate the work done by a gas if it expands from volume 1m3 to 2m3 at constant atmospheric…

A: given data:- inital volume = 1 m^3 final volume = 2 m^3 find the work done by a gas at atmospheric…

Q: Three hundred kilojoules of heat is added in a piston cylinder arrangement containing air causing it…

A: Answer: The work done is 600 kJ.

Q: There is no useful work transfer associated with boundary work when the pressure of the system is…

A: Whenever the boundary of a control volume changes, the surrounding air due to atmospheric pressure…

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

Q: Air flows steadily at the rate of 0.5 kg/s through an air compressor, entering at 7 m/s speed, 100…

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

A: It is given that the system is insulated. thus, dQ=0

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

Q: A spring whose spring constant is 200 lbf/in has an initial force of 100 lbf acting on it. Determine…

Q: Water is being heated in a closed pan on top of a range while being stirred by a paddle wheel.…

Q: How much work is done on a gas, if a certain fluid in a closed system initially having a volume and…

Q: In a piston-cylinder arrangement, energy is added and the piston is withdrawn in such a way that the…

A: Here PV=constant,hence the process is at constant temperature, For constant temperature (isothermal…

Q: (a) Can the work done by the following forces be expressed as potential energy? (i) Weight (ii)…

A: Solution:

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.…

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

Q: Consider a room with indoor temperature of 28°C and the outdoor temperature of 32°C. Due to the…

Q: The kitchen, bath, and other ventilation fans in a house should be used sparingly since these fans…

A: Calculate the density of air in the room, Calculate the volume of the room as,

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

A: Given data: Change in internal energy ∆U=100 kJ Need to determine the work given on the gas.

Q: For a system having a mass of 1 lb whose velocity increases from 50 ft/s to 100 ft/s while its…

A: Given Mass = 1 lb Distance = 50 ft to 100 ft Elevation 40 ft Acceleration due to gravity = 32 ft/s…

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.…

Concept explainers

Numerical Calculations

In the mid-20th century, the availability and the growth in power of digital computers led to the increase in the mathematical model in the field of engineering and science. The analysis of these detailed models needs to be increased.

Question

3 decimals in final answer pls

1. When 100 kJ of work is done on a closed system during a process, the
total energy of the system increases by 55.0 kJ. Calculate how much heat
is either added or removed from the system?

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1:

VIEW

Step 2:

VIEW

Step by step

Solved in 2 steps with 2 images

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

One British thermal unit will raise the temperature of _____ 1b of water _____F.
How many Btu of heat can be produced by 4 kWh ofelectricity?
An office heater puts out 2090 Btu (British thermal units) of energy in the form of heat per hour. Given that 1 Btu=1.055 kJ,how many megajoules of energy in the form of heat can be produced per year (365 days) by the heater, assuming continuous operation?
Nitrogen with a mass of 2.23 kg expands at constant pressure. The initial pressure and temperature in the piston-cylinder system are 172 kPa and 23°C, respectively. Because of the heat transfer, the system reached a final temperature of 208.3°C. Compute for the work in kJ.
Nitrogen with a mass of 4.68 kg expands at constant pressure. The initial pressure and temperature in the piston-cylinder system are 172 kPa and 21.4°C, respectively. Because of the heat transfer, the system reached a final temperature of 205.7°C. Compute for the work in kJ.Answe r must be in 3 decimal places
A gas is compressed from an initial volume of 5.75 LL to a final volume of 1.24 LL by an external pressure of 1.00 barbar . During the compression, the gas releases 125 JJ of heat. What is the change in internal energy of the gas?
Prove that internal energy is the property of the system.
4. A weightlifter raises a 150-kg barbell from the floor to a height of 2.2 m in 0.80 s. What is his average power output during the lift?
during the working stroke of an engine the heat transferred out of the system was 160kJ/kg of working substance. the internal energy also decreased by 405kJ/kg of working substance. Determine the work done
A piston cylinder contains 2.0 kg of steam, which expands from state one(U=2700 KJ/Kg) to state two (U=2650 KJ/Kg). During the expansion process the system receives 30 KJ of heat. Determine the system work.
1.1 A steam power station uses coals of calorific value of 5308 kcal/kg. The overall efficiency of the power station is 21.5% and a coal power station uses 6,98tonnes of coal every 15 minutes to generate the maximum demand. The purchasing price of coals is R600 per tonne. (NB: 1 kWh = 861 kcal)(a) Determine the coal consumption in kg per kWh (b) Determine the cost of purchasing the coals per week if the load factor is 65%.
person heats up a can of soup on a stove. If they do 200 joules of work on the soup by stirring it as the burner adds 150 joules of heat, what is the change in its internal energy?