A machine absorbed 500 J of heat and delivered 600 J of work. How much of internal energy of the machine would change?

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 doing 15000 J of work, an engine rejects 9000 J of heat. What is the efficiency of the engine

A: The efficiency of the engine is, e=ww+Q

Q: During each cycle of its operation, a certain heat engine has a thermal energy input of 500 Joules,…

A: Given Heat given Q1 = 500 J Heat rejected to sink Q2 =160 J

Q: When 4500J of heat is added to an engine, the engine does 1200J of work. What is the change in the…

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Q: engine is represented on a PV- diagram, then the area enclosed by the curve is equal CO the heat…

A: In P-V cycle of heat engine Pressure values are taken on y axis Volume values are taken on x axis…

Q: if your water heat has an efficiency of 95%, how much energy would it take to heat 45 kg of water…

A: The heat energy required to raise the temperature of the water is given by, Q=mcTf-Ti Here, m is the…

Q: The maximum amount of work that can be done by a heat engine is

A: Maximum amount of work that can be done by a heat engine is amount of work done by a reversible…

Q: A heat engine converts 144.0 kcal from a supply of 352.0 kcal into work. How much mechanical work…

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Q: in a process , 850 j of heat is added to a system and 500 j of work is done by the system on its…

A: Work done by the system is 500J  To find the change in internal energy of the system

Q: If a system has 275 kcal of work done to it, and releases 5.00x102 kJof heat into its…

A: Given:  Work, W = 275 kcal = 275 x 4.2 = 1155 kJ  heat, Q = - 500 kJ

Q: If 500 cal of heat is added to a gas, and the gas expands doing 500 J of work on it surroundings,…

A: Given: The heat is Q=500 cal. The work done is W=500 J. The expression for internal energy  is:…

Q: A heat engine has a heat input of 3 * 104 Btu/h and a thermal efficiency of 40 percent. Calculate…

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Q: The air inside a bicycle tire pump has 160J of work done on it as 56.4J of heat is added to it. What…

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Q: A car running using a heat engine does 3.9 × 107 J of work. If the heat engine is 89 percent…

A: Efficiency can be expressed as

Q: A3.5 kg mass is sliding across a horizontal table at an initial speed of 6.8 m/s before friction…

A:

Q: 600 J of heat energy are transferred to a system that does 400 J of work. By how much does the…

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Q: In a thermodynamic process, 20 Joules are removed from a system as heat, and 30 Joules are added as…

A: The 1st law of thermodynamics implies the conservation of energy. It states that for a system in…

Q: If a heat engine's efficiency is 20% and 1.5 million joules of energy are put into it, how much work…

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Q: What is the change in internal energy of the system if 2000J of heat leaves the system and 2500J of…

A: Heat lost by the system, QL = 2000 J Work done by the system, W = 2500 J Hence, heat gained by the…

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: 250 J of heat leaves the system and 355.75 J of work is done on the system. Get the change of…

A: Given value--- 250 J of heat leaves the system . 355.75 J of work is done on the system. We have…

Q: An ideal gas absorbs 437 J of heat from its environment and does 831 J of work on the environment.…

A: The given values are,

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

A:

Q: If a heat engine's efficiency is 30% and its work output is 2000J, how much thermal energy must have…

A: Efficiency of heat engine,

Q: During a heat transfer process, the entropy of a system (always, sometimes, never) increases.

A: If heat is supplied to the system entropy of the system increases and if heat is rejected by the…

Q: gas enclosed in a chamber absorbs 949.70 J of heat and during the same time does 353.61 J of work on…

A: Heat absorbed = 949.70 J  Hence, heat added to system q = - 949.70 J Work done by system W = 353.61…

Q: If 30 kJ of heat flows out of a system, while 15 kJ of work is done on the system, what is the…

A: Here heat flows out of a system, so q = -30 kJ, and work done on the system is 15kJ.

Q: What is the third law of thermodynamics?

A: The third law of thermodynamics states that the entropy of a perfect crystal approaches zero at a…

Q: What is the zeroth law of thermodynamics?

A:

Q: In computing the thermal efficiency of a heat engine, which thermodynamic property does NOT need to…

A: The efficiency of a heat engine (Eff) is defined to be the engine’s net work output W divided by…

Q: A gas undergoes an expansion in which 400 J of energy is added to the gas by heating. The internal…

A: Given Amount of energy added (Q) = 400 J   Internal energy of gas changes from 700J to 800 J…

Q: What is the heat transferred in the process and the change in internal energy?

A:

Q: How much heat must be supplied to the engine per second?

A: Answer for  Part A : 616666 J/s Part B: 77699916 J  Explanation is in next step :

Q: what is the percent efficiency of an engine that operates 273 Kelvins to 373 kelvins?

A: Given data: The temperature of hot source (TH) = 373 K The temperature of cold sink (TC) = 273 K…

Q: What is the change in internal energy of a system that does 7 kJ of work and absorbs 800 J of heat?

A: Given :  Energy absorbed by the system, Q = 800 J Work done by the system = 7 kJ Required : Change…

Q: When a substance absorbs or releases heat, the ______ changes. A.Potential energy  B.Internal energy…

A: potential energy is the property of position. not depend upon heat release or absorbed = mgh…

Q: A system does 3.4 × 104 J of work, and 8.2 × 104 J of heat flows into the system during the process.…

A: Given : Work done by the system (∆W) = 3.4 x 104 J Amount of heat flow (∆Q) = 8.2 x 104 J

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: A thermodynamic system undergoes a process where its internal energy increases by 200 J. During this…

A: The change in internal energy of the system,

Q: QUESTION 2 State the first law of thermodynamics?

A: First law of thermodynamics is based on the conservation of energy.

Q: 300J OF HEAT IS ADDED TO A SYSTEM AND 250J OF WORK IS ADDED BY THE SYSTEM. WHAT IS THE CHANGE IN…

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Q: for a system is 20 kJ. If 175 kJ of work was done on the system, how much heat was released?

A: GIVEN : Work done = + 175 kJ Change in internal energy ∆U = 20 Thermodynamics first law : ∆U=∆Q+W

Q: An engine releases 0.350 kJ of heat for every 0.910 kJ of work it does. What is the efficiency of…

A: Efficiency can be defined as the ratio of workdone to the amount of energy used. Efficiency, η=WQ

Q: What are the three systems in Thermodynamics?

A: There are a total of three systems in thermodynamics, which are : Isolated System - An isolated…

Q: What is the change in internal energy of a system which does 6.5×105 J of work while 3.00×106 J of…

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Q: In performing 100.0 J of work, an engine discharges 50.0 J of heat. What is the efficiency of the…

A: Given data The work of the engine is, W=100.0 J The heat discharge is, Q2=50.0 J   The work of the…