During a compression process, work of 20 Kj is done on a system while the system transfers 13 Kj of heat to the external environment. What is the variation of the internal energy?

Q: On a cold day, a heat pump absorbs heat from the outside air at -10°C and transfers it into a home…

A: Given  Outside temperature TL=-100 C=273-10=263K Home temperature TH=300 C=273+30=303K

Q: In an isothermal process, 3700 J of work is done by an idealgas. Is this enough information to tell…

A: Work done by an ideal gas in an isothermal process is 3700 J

Q: When an ideal gas was compressed, its internal energy increased by 180 J and it gave off 150 J of…

A: Given: Increased internal energy ∆U=+180 J Heat given during compression ∆Q=-150 J

Q: How much heat will occur from a system if has and internal energy that is decreased by 150 J while…

A: Given: The decrease in internal energy is U=-150 J. The work done is W=30 J.   The expression from…

Q: In a certain thermodynamic process, 20 cal of heat are removed from a system and 30 cal of work are…

A: Given data: Amount of heat removed from the system H=- 20 cal Amount of work done on the system W=30…

Q: An electric heater supplies heat to a system at a rate of 100 W. If system performs work at a rate…

A:

Q: A thermodynamic system undergoes a process in which its internal energy decreases by 600 J. Over the…

A:

Q: calculate the change in internal energy of a system if 300J of heat energy is added to it and if the…

A: Let the heat energy added to the system is denoted by q and the work done by the system is W.

Q: A system does 1.80×108 J of work while 7.50×108 J of heat transfer occurs to the environment. What…

A: Given :

Q: What is the change in internal energy of a system that takes in 2.83 106 J of heat, and does 4.50…

A: Given that  Work done by the system (W) = 4.50×105J Heat transfer into the system is (Q1) = 2.83…

Q: An engineer claims to have measured the characteristics of a heat engine that takes in 100 J of…

A: The expression for the ratio of the temperatures is,

Q: Suppose you do 100 J of work in compressing a gas. If 80 J of heat escapes in the process, what is…

A:

Q: A system consists of 2.0 kg of water at 75°C. 25 J of work is done on the system by stirring with a…

A: According to first law of thermodynamics, the amount of heat given to the system is equal to the sum…

Q: A proposed ocean thermal-energy conversion (OTEC) system is a heat engine that would operate between…

A:

Q: An ideal gas undergoes a process in which its internal energy decreases by 500 J. Over the same time…

A: Given:decreases in internal energy, dU = - 500 Jwork done on the system , dW = - 220 JFind  energy…

Q: What is the maximum efficiency that a heat engine could have when operating between the normal…

A:

Q: In the steam engine, the amount of heat is 4.18J and work is 2.0J, what is the change in internal…

A: Amount of heat, Q = 4.18 J Work, W = 2.0 J Change in internal energy of the system, ∆U = ?

Q: A thermodynamic system undergoes a process in which its internal energy decreases by 500 J. Over the…

A: The expression for the required transferred energy is,

Q: Work of 3000 J is done on an ideal gas, but the internal energy raises only 1600 J. What is the…

A:

Q: Work of 1100 J is done on an ideal gas, but the internal energy increases by only 700 J. What is the…

A: Given that, Work done on the system is W = +1100 J Increase in internal energy is ∆U=+700 J

Q: A system does 137 J of work on its environment and gains 95.3 J of heat in the process. Find the…

A: The work done by the system on the environment,

Q: A quantity of gas is confined to a cylinder with a movable piston. Then 1,300 J of heat is expelled…

A: Given  Heat expelled (Q) = -1300 J  Work done (w)  = +900 J  From first law of thermodynamics…

Q: During running, you lost 4.0×104 J of heat, and your internal energy also decreased by 1.6×105 J.…

A: Change in Internal energy, ∆U=-1.6×105J Heat lost, Q=-4.0×104J

Q: In an industrial chemical process, 600 J of heat is supplied to a system while 200 J of work is done…

A:

Q: A system does 1.80×108 J of work while 7.50×108J of heat transfer occurs to the environment. What is…

A: The work done by a given system is, The amount of heat transferred from the system to the…

Q: What is the change in internal energy of a car if you put 12.0 gal of gasoline into its tank? The…

A:

Q: The thermal efficiency of a general heat engine is 35 percent, and it produces 60 hp. At what rate…

A:

Q: What is the change in internal energy of a system which does 4.50×105 J of work while 3.00×106 J of…

A: The heat transfer in this case is

Q: At Niagara Falls, if 505 kg of water falls a distance of 50.0 m, what is the increase in internal…

A: Given Information:- Mass of the water m=505 kg Height of the water falls is h=50.0 m   Required:-…

Q: An ideal heat engine operates between 177 degree C and 27 degree C. If the engine takes 5*1000000 J…

A:

Q: A Carnot heat engine receives 700kJ/s from a heat source and produces 430 kW of power. At what rate…

A:

Q: On a cold day, a heat pump absorbs heat from the outside air at -10°C and transfers it into a home…

A: Given value--- cold temperatures = - 10 degree C. Hot temperatures = 30 degree C. We have to…

Q: A system consists of 3.0 kg of water at 80°C. 30 J of work is done on the system by stirring with a…

A:

Q: A carnot engine is operating at temperatures of 300K and 500K.If 14000J is absorbed by the engine,…

A: Given data: The higher temperature is TH=500 K. The lower temperature is TL=300 K. Heat absorbed is…

Q: You push a 33-kg table across a 6.2-m-wide room. In the process, 1.5 kJ of mechanical energy gets…

A: the expression for mechanical energy is

Q: A system suffers an increase in -1 internal energy of 80 J and at the same time has 50 J of work…

A: Given The change in internal energy is ∆U=80 J. The Work done on the surrounding is W=50 J. By the…

Q: While walking you give off 4.0x10^5J of heat and your internal energy decreased by 6.0x10^5 J. How…

A: Given information: Here, ΔQ is the heat released by the person’s body while walking, and ΔU is the…

Q: how much heat is needed to increase the internal energy of a gas in a piston by 4322 J if the gas…

A:

Q: In an isochoric process, the internal (thermal) energy of an ideal gas decreases by 50 J. How much…

A: Process : Isochoric (constant volume)Change in thermal (internal) energy = - 50 J Negative sign…

Q: A 150J of energy is added to a system that does 50J of work. By how much will the internal energy of…

A: Answer:-  Given  Energy was added to the system (Q) = +150 J Work done by the system (W) = + 50 J…

Q: The first law of thermodynamics relates the heat transfer into or out of a system to the change of…

A: The first law of thermodynamics can be written as, ΔU=Q-W Here, ΔU is the change in internal energy…

Q: What is the change in internal energy (in J) of a system that does 4.50 ✕ 105 J of work while 3.40 ✕…

A: