A model steam engine of 1.00 kg mass pulls eight cars of 1.00 kg mass each. The cars start from rest and reach a certain velocity in a time of 3.00 s while moving a distance of 4.50 m. During that time the engine takes in 153 J of heat. Calculate the change in the internal energy of the engine.

Q: A refrigerator has a coefficient of performance of (5.0x10^0). When removing (3.600x10^4) J from…

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

A: Given    ∗The internal energy is  ∆U=-500J  Here, negative sign   is decreases sign    ∗The…

Q: A Carnot engine operates between 100°C and 20°C. How much ice can the engine melt from its exhaust…

A: Given:  T1 = 100 degree C = 273 + 100 = 373 K  T2 = 20 degree C = 20 + 273 = 293 K  W = 5 x 104 J

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

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Q: Which one of the following law of thermodynamics states that energy can be converted from one form…

A: The first law of thermodynamics, is also known as the law of conservation of energy.

Q: A gas in a closed container is heated with 10 J of energy in an isochoric process. Then, in an…

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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,

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Q: Carnot refrigerator extracts heat from a freezer at -5.00°C and exhausts it at 25°C. How much work…

A: Given T1 = 25 0 C = 25+273 = 298 K T2 = 273 -5 = 268 K Heat extracted Q2 = 1 J

Q: A model steam engine of 1.00kg mass pulls eight cars of 1.00kg mass each. The cars start from rest…

A: Mass of engine, M = 1 kg  Mass of each car, M'=1 kg  Net mass of system = Total mass of 8 cars and…

Q: Calculate the net work output (in J) of a heat engine following path ABCDA in the figure, where V, =…

A:

Q: Suppose a hypothetical engine absorbs 700 J of heat from a hot reservoir and performs 700 J of work,…

A: Zeroth law tells that if a system is thermodynamically equilibrium to the 2nd and 3rd system then it…

Q: A heat pump creates a heating effect of 32,000 Btu/h for a space maintained at 530 R while using 1.8…

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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: A heat engine having an efficiency of 0.20 takes in 2000 J of energy from the hot reservoir in one…

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Q: Which condition results to work done greater than the change in internal energy?     ΔU > 0; ΔS >…

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

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Q: An insulated container is filled with a mixture of water and ice at zero °C. An electric heating…

A: Answer            2130 J is the increase in the internal energy of the ice-water system Solution…

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

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Q: If a heat engine performs 200 J or work while absorbing 1000 J of heat energy from the hot…

A: Given data The work performed by the heat engine is given as W = 200 J. The heat absorbed by the…

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A: Given : W = 1.97 x 1010 J e = 8.60% = 0.086

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Q: What is the change in the internal energy of the system if 400 J of heat is added to the system and…

A: Heat added to system = 400 Joules  Work done by the system = 2300 Joules

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Q: A Carnot engine performs work at the rate of 450 kW while using 950 kcal of heat per second. If the…

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Q: Questions 123 – 125 relate to a heat engine which uses heat to do 50 J of work, and then exhausts…

A: Given: The work done is 50 J. The heat exhaust of energy into cold reservoir is 100 J.

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Q: What is the change in internal energy of a system that takes in 4.53 x 106 ) of heat, and does 4.50…

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Q: A 54-kg mountain climber, starting from rest, climbs a vertical distance of 779 m. At the top, she…

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Q: 32. A gasoline engine takes in 2500 J of the heat and delivers 500J of mechanical work per cycle.…

A: Please note : As per answering quidelines I can answer the first question(Q.32) only. Since this is…

Q: A Carnot engine performs work at the rate of 490 kW while using 890 kcal of heat per second. If the…

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

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Q: In moving out of a dormitory at the end of the semester, a student does 1.82 x 104 J of work. In the…

A: Given Work done, W=1.82×104J Internal energy, ∆U=4.07×104J