A certain heat engine does 9.2 kJ of work and 8.5 kJ of heat is transfered to the environment in a cyclical process. Part (a)  What was the heat transfer into this engine in kJ?  Part (b)  What was the engine’s efficiency in percent?

Q: Suppose a woman does 450 J of work and 9300 J of heat transfer occurs into the environment in the…

A: Workdone by the women is W = 450 J Amount of heat transfer is Q = -9300 J (As heat is going out of…

Q: A certain heat engine does 21.2 kJ of work and dissipates 9.14 kJ of waste heat in a cyclical…

A:

Q: This problem compares the energy output and heat transfer to the environment by two different types…

A: The efficiency of the first nuclear power plant is, The efficiency of the second nuclear power plant…

Q: 3. (a) What is the efficiency of a cyclical heat engine in which 75.0 kJ of heat transferoccurs to…

A:

Q: A steam engine operates at an overall efficiency of 15%. How much heat be supplied per hour in order…

A: Heat supplied per hour P=WtP=ηQtQt=Pη

Q: A heat engine does 30 JJ of work per cycle while exhausting 30 JJ of waste heat. What is the…

A: Given in question - Work done per cycle (W) = 30 Joule                                   Heat…

Q: Second Law of thermodynamics. An engine in performing 196 J of work discharges 34 J of heat. What is…

A:

Q: In each cycle of its operation, a heat engine expels 2,900 J of energy and performs 1,600 J of…

A: energy expelled = 2900 J work done = 1600 J a) thermal energy that must be added to engine in each…

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: As a gasoline engine is running, an amount of gasoline containing 16,000 J of chemical potential…

A: The work done by the engine, W=4000 J   The input chemical energy, Einput=16000 J

Q: Forty grams of water at 23°C is heated until it becomes vapor at 100°C. Calculate the change in…

A: Given:- The  mass of the water is m= 40 g  The initial temperature of the water is Ti = 23°C The…

Q: A heat engine exhausts 1100 J of heat in the process of doing 400 J of work. What is the heat input…

A: Given: Heat energy expelled by the engine=QC=1100 [J] Work done by the engine=W= 400 [J]

Q: A heat engine exhausts 3 200 J of waste heat while performing 1 500 J of useful net work. What is…

A: Given data: Work done W=1500J Heat exhausted QC=3200J

Q: What is the efficiency of a gasoline engine that receives 194.5 J of energy from combustion and…

A:

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: Rank the following heat engines in order from highest to lowest thermal efficiency. (i) An engine…

A: The formula for the thermal efficiency is  η=1-Q2Q1 .................... (1) where η is the thermal…

Q: thermal efficiency

A:

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: In one cycle a heat engine absorbs 3.82 * 104 J of heat from the hot reservoir and rejects 3.16 *…

A: Given, Heat absorbed, Qa=3.82×104 J Heat rejected, Qr=3.16×104 J   We know, Efficiency is given by:…

Q: (a) What is the work output of a cyclical heat engine having a 22.0% efficiency and 6.00×109 J of…

A: (a) Write the formula for the efficiency of the heat engine.

Q: An engine that has an efficiency of 25% takes in 200 J of heat during each cycle. If the engine…

A: heat absorbed in one cycle = 200 J Heat absorbed in 4 cycles = 200 * 4  = 800 joules Heat absorbed…

Q: please answer the following   As a gasoline engine is running, an amount of gasoline containing…

A: Given data *The given input chemical potential energy is Ein = 12,000 J *The work done by the engine…

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: A typical coal-fired power plant burns 340 metric tons of coal every hour to generate 2.5 × 106 MJ…

A: The efficiency of the power plant can be given by e=WoutQh×100%

Q: Suppose that a heat engine takes 3.20  104 J of heat from the high-temperature reservoir to produce…

A:

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: As a gasoline engine is running, an amount of gasoline containing 15,000J of chemical potential…

A: Given value--- amount of gasoline containing 15,000J of chemical potential energy is burned in 1 s.…

Q: A diesel engine has efficiency 0.180. (a) In order for this engine to do 1.24 * 10^4 J of work, how…

A: Given data η=0.18W=1.24×104 J

Q: heat engine uses boiling water at 100°C which is then lowered to 25°C upon leaving the engine. What…

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Q: The engine of a large ship does 2.00 × 108 J of work with an efficiency of 5.00%. (a) How much heat…

A: a) The expression for find heat transfer into the system is η=WQinQin=Wη Substitute values in the…

Q: (a) What is the efficiency of a cyclical heat engine in which 75.0 kJ of heat transfer occurs to the…

A:

Q: A Carnot heat engine has a thermal efficiency of 0.600, and the temperature of its hot reservoir is…

A: This problem can be solved using the formula for the efficiency of carnot engine.

Q: Heat engines take input energy in the form of heat, use some of that energy to do work, and exhaust…

A:

Q: A gasoline engine has a power output of 180 kW. Its thermal efficiency is 0.28. How much heat must…

A: Write the given values with suitable variables. Pout=180 kWη=0.28 Here, Pout denotes the output…

Q: in one cycle, a heat engine does 700J of work and releases 1450 J of heat to a lower-temperature…

A:

Q: A gasoline engine takes in 1.61 * 10^4 Jof heat and delivers 3700 J of work per cycle. The heat is…

A: Given:W=3700JQH=1.61×104 J

Q: n engine takes in 600 J and exhausts 450 J each second is running. What is the engine's efficiency?

A: η=1-QlowQhigh