A gas engine absorbs 2500 kJ of heat in a 5.5 s heat cycle. The amount of heat exhausted per cycle is 1800 kJ. What is a ) the efficiency of the heat engine?  b) the delivered power of the heat engine?

Q: 170 g of water at 105°C is converted to steam. What is the entropy change of the water that is now…

A: latent heat of boiling water = 2256 KJ/kg  = 2256 J/g mass = 170 g Heat required to change the state…

Q: A container with 50 g of a certain liquid (c = 4186 J/kg · °C, Lv=2265 kJ/kg) at 22 °C is heated up…

A: Given:mass of liquid, m = 50×10−3  kgspecific heat , C =  4186 J/kgoClatent heat of vaporization, Lv…

Q: An engine with an output of 249.0 W has an efficiency of 25.0 %. It works at 10.00 cycles/s. How…

A: It is given that the output power is 249.0W. It is the work done per second. This implies, 249.0 J…

Q: The temperature of the cold reservoir of the engine is 305 K. It has an efficiency of 0.23 and…

A: The problem can be solved by using the concept of efficiency of a heat engine. The answer for the…

Q: a) A heat engine operates at a 40% efficiency. The heat input is 20,000 J. How much work does this…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: A Carnot engine has two temperature baths. One is at 400 degrees Celsius, and the other is at 30…

A: Higher Temperature T1=4000C Lower TemperatureT2=300C

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: A heat engine has quarter the thermal efficiency of a carnot engine operating between 85C and 445C.…

A: Given values -  Tcold=85o C =85+273=358 K THot=445o C=445+273=718 K Therefore,  Efficiency of Carnot…

Q: A container with 41 g of a certain liquid (c = 4171 J/kg · °C, Lv=2224 kJ/kg) at 22 °C is heated up…

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Q: The Otto-cycle engine in a Mercedes-Benz SLK230 has a compression ratio of 8.8. (a) What is the…

A:

Q: A real heat engine works between two heat sources. The heat absorbed by the machine from the hot…

A: Given: The heat absorbed by the machine from the heat source is, Qh = 7000 J. The temperature of…

Q: 6. A lonely party balloon with a volume of 2.40 L and containing 0.100 mol of air is left behind to…

A: Given data, Initial volume of the balloon = 2.4 L Final volume of the gas = 425 m3 Moles of the gas…

Q: from a hot reservoir at

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Q: An ideal gas heat engine operates in a Carnot Cycle between temperatures of 266°C and 115°C. It…

A: Given data: Thot = 266°C = 539 K Tcold = 115°C = 388 K   Solution: Efficiency = 1 - ( Tcold / Thot )…

Q: On a hot summer day, 4.00×106 J of heat transfer into a parked car takes place, increasing its…

A: Change in entropy is given by the formula: ∆S=QTwhere,∆S is change in entropyQ is heat transferT is…

Q: Suppose a Carnot engine that has an efficiency of 52% and a cold reservoir temperature of 31 degrees…

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Q: A heat engine absorbs 2500 J of heat at 250°C and expels 2000 J at a temperature of 50°C. The change…

A: Given: Heat absorbed at T1=250°C is Q1=2500 J Heat expelled at T2=50°C is Q2=2000 J

Q: A freezer is used to freeze 1.5 L of water completely into ice. The water and the freezer remain at…

A: The expression for change in entropy is, ∆S=QT…

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

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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: An engine working between 300 K and 600 K has work output of 800 J per cycle. The amount of heat…

A: Assuming a Carnot Engine, the efficiency of the engine is given by:  n = 1 - Tc/Th = 1 - (300/600) =…

Q: A heat engine with an efficiency of 0.21 absorbs 400 J of heat per cycle. Hint a. How much work does…

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

A:

Q: On a hot summer day, 3.73  106 J of heat transfer into a parked car takes place, increasing its…

A: Given:  Heat exchanged, dQ=3.73×106 J Initial temperature, Ti=31.2°C Final temperature, Tf=50.6°C…

Q: J of heat flows from a hot reservoir at 310 degrees celsius to a cold reservoir at 220 degrees…

A: Given:- 600 J of heat flows from a hot reservoir at 310 degrees celsius to a cold reservoir at 220…

Q: The efficiency of a Carnot engine is 46%. What will be the temperature of the cold reservoir if the…

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Q: In one cycle a heat engine absorbs 520 J from a high-temperature reservoir and expels 310 J to a…

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Q: A freezer is used to freeze 5.0 L of water completely into ice. The water and the freezer remain at…

A: The energy transferred from the water by heat can be obtained asSubstituting the values and solving…

Q: 170 g of water at 105°C is converted to steam. What is the entropy change of the water that is now…

A: The expression for find change in entropy is ∆s=mLvT

Q: A heat engine takes in 1800 J of heat from a high temperature reservoir and rejects 1200 J of heat…

A: Answer is Option (a) The expression used to work done by each cycle of engine is W=Qh-Qc Substitute…

Q: You design an engine that takes in 26 kJ of heat at 720 K in each cycle and rejects heat at a…

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Q: On a winter day, a certain house loses 5.20 x 10° J of heat from the warm 25°C interior to the cold…

A: As per Bartleby rules, we are to answer the first three sub-parts of a question when specific…

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: A 67.5-kg person typically eats about 2250 kcal per day, 21.0% of which goes to mechanical energy…

A:

Q: A thermal engine absorbs 1500 J of heat from a gas at a temperature of 250°K and discards 1200 J of…

A: a)We know that work done is given as Qin -Qout hence work done = 1500 J -1200 J =300 J b)  Thermal…

Q: A cylinder-piston system with 700 g of water at 0C is placed in a refrigerator. Water slowly freezes…

A: Given data The mass of the water is mw = 700 g = 0.7 kg The initial temperature of the water is Ti_w…

Q: The temperature of the cold reservoir of the engine is 310 K. It has an efficiency of 0.23 and…

A: Given: The temperature is T=310 K. The efficiency id n=0.23. The heat absorbs is Q=647 J. Part (a)…

Q: n one cycle a heat engine absorbs 460 J from a high-temperature reservoir and expels 310 J to a…

A: Efficiency of the engine ηh=1-QcQh55%ηcarnot=1-QcQh0.551-TlowThigh=1-QcQhTlowThigh=1-10.551-QcQh

Q: The temperature of the sink of a Carnot engine is 27. The efficiency of the engine is 25%.What is…

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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:

Q: An ideal gas heat engine operates in a Carnot cycle between 27°C and 127°C. It absorbs 6 kcal at the…

A: Given: The temperature (T2) of the sink is 27°C. The temperature (T1) of the source is 127°C. The…