An automobile engine takes in 20 000 J of heat by burning fuel and delivers 5 000 J of mechanical work per cycle. (a) What is the efficiency of the engine? (b) How much heat is expelled to the environment per cycle?

Q: A gasoline engine absorbs 2.9 kJ of heat and performs 0.7 kJ of mechanical work in each cycle. The…

A: Heat absorbed (Q)= 2.9 KJ = 2.9× 10³ J Work done (W)= 0.7 KJ = 0.7× 10³ J   We know that…

Q: In one cycle of an engine, 1.71 kJ of energy is absorbed from a hot reservoir at 277°C, and 1.21 kJ…

A: In the question given engine input and output heat at the temperatures we have to find ----  (a)…

Q: A gas engine absorbs 2500 kJ of heat in a 5.5 s heat cycle. The amount of heat exhausted per cycle…

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Q: A heat engine absorbs 1900J of energy from a hot reservoir at 2900C and expels 1400J to the cold…

A: Represent it on diagram for better understanding a) Efficiency of heat engine can be determined as

Q: discards

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Q: An engine absorbs 1.74 kJ from a hot reservoir at 277°C and expels 1.19 kJ to a cold reservoir at…

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Q: from a hot reservoir at

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Q: (a) What is the efficiency (in percent) of a cyclical heat engine in which 55.0 kJ of heat transfer…

A: heat transferred to environment = 55 kJ heat transferred to engine = 70kJ

Q: In each cycle of its operation, a heat engine expels 5,900 J of energy and performs 1,700 J of…

A: The amount of heat released or expelled by the engine, Qreleased = 5900 J The amount of work done by…

Q: A certain heat engine does 11.0 k) of work and 8.50 k) heat transfer occurs to the environment in a…

A: Part A. Work done by an engine is given as follows: W=Q1-Q2 here W is the work done Q1 and Q2 are…

Q: An engine absorbs 3500J of heat each cycle and expels 1200J. (a) How much work does it do in one…

A:

Q: An engine absorbs 1.71 kJ from a hot reservoir at 277°C and expels 1.22 kJ to a cold reservoir at…

A: Given data: The heat absorbed by the engine is Qa=1.71 kJ The temperature of the hot reservoir is…

Q: A gasoline truck engine takes in 10,000 J of heat and delivers 2,000 J of mechanical work per cycle.…

A: Find the heat energy due to cold reservoir. QH=W+QCQC=QH-W=10,000 J-2,000 J=8000 J The entropy of…

Q: cyclical heat engine has 20.5 % efficiency with 4.4 × 109 J of heat input. (a)  What is the work…

A: First we use the formula of efficiency of heat engine. Then we calculate the heat output After that…

Q: (a) What is the best coefficient of performance for a refrigerator that cools an environment at…

A: Part (a) Given: The temperature that transfer the heat is T1=45 C. The temperature that cools the…

Q: A certain heat engine does 9.0 kJ of work and 7.50 kJ heat transfer occurs to the environment in a…

A: Given data: Work done by heat engine, W=9.0 kJ Heat transfer to the environment, QC=7.50 kJ

Q: In each cycle of its operation, a heat engine expels 2,500 J of energy and performs 1,900 J of…

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Q: In each cycle of its operation, a refrigerator removes 19 J of heat from the inside of the…

A: The amount of work done to operate the refrigerator is calculated using the following formula: W =…

Q: A Carnot engine operates between two temperatures of 300°C and 130°C while absorbing 650 kJ of heat…

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Q: If the engine does 5.0 J of work per cycle, how much heat per cycledoes it absorb from the…

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Q: a) The efficiency of a particular cyclical heat engine is 41%. If 371 kJ of heat are being…

A: Given data: Efficiency of heat engine is, η=41% = 0.41. Heat supplied to engine is, Q1=371 kJ.

Q: thermal efficiency

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Q: A certain heat engine does 9.2 kJ of work and 8.5 kJ of heat is transfered to the environment in a…

A: Thus the net work done by the system equals the net heat transfer into the system, or W=Q1−Q2…

Q: With 2.56 × 106 J of heat transfer into this engine, a given cyclical heat engine can do only 1.50 ×…

A: Heat supplied, QH = 2.56 x 106 J Work, W = 1.5 x 105 J

Q: a refrigerator removes heat from the cubicle at the rate of 20kj and ejects 24kj into a room per…

A: Given in question:   Heat removed from the cubicle per cycle(QR) = 20 KJ…

Q: one cycle of an engine, energy is absorbed fröm å hốt réšérvoir at energy is expelled to a cold…

A: Given data  Q1 = 1.71 kJ and Q2 = 1.22 Kj  t = 0.295 s

Q: As a gasoline engine is running, an amount of gasoline containing 13,600 J of chemical potential…

A: Given: Input energy, E=13600 J Work done, W=3400 J

Q: If 100 J of heat is added to a system so that the final temperature of the system is 400 K, what is…

A: Given: 100J of heat added to the system             Q = 100J             change in temperature is…

Q: The bulldozer for the DPWH road widening project at Koronadal City has a gasoline engine that takes…

A: Introduction: Concepts of Heat Engine: It is a thermodynamic engine works on a first law of…

Q: A heat engine is found to have an efficiency of 0.33. If it does 190 J of work per cycle, how much…

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Q: If 40 million Joules of energy is put into the hot reservoir and the engine transfers 22 million…

A: Given Data:- Energy put into the hot reservoir is QH=40 million Joules Energy transfered to the cold…

Q: A heat engine takes in 310 J of energy from a hot reservoir and performs 27.0 J of work in each…

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Q: A heat pump removes 2060 J of heat from the outdoors and delivers 3060 J of heat to the inside of a…

A: Given data The heat removed by the pump is QL=2060 J The heat delivered by the house is QH=3060 J…

Q: An engine with an efficiency of 0.34 absorbs 55 J from a heat reservoir in each cycle. If it…

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Q: An engine absorbs 500 J of heat and reject 100 J of heat to cold reservoir in each cycle.  What is…

A: Given data: The amount of heat absorb is QH=500 J. The amount of heat reject is QL=100 J.

Q: In one cycle of an engine, 1.66 kJ of energy is absorbed from a hot reservoir at 277°C, and 1.24 kJ…

A: Temperature of hot reservoir = 277 C  = 550 K temperature of cold reservoir = 27 C = 300 K