21. A heat engine would violate the second law of thermodynamics if it * O A. changed all the heat absorbed from the hot reservoir to mechanical work O B. changed all the heat absorbed from the cold reservoir to mechanical work C. has an efficiency of zero O D. was less efficient than a Carnot heat engine O E. A and C

Q: What are the types of thermodynamic system ? Explain it in detais

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Q: 6. For each of the three heat engines described, state whether it violates the First Law of…

A: Temperature of hot reservoir = 600 k Temprature of cold reservoir = 300 k

Q: Describe an imaginary process that violates both the first and the second laws of thermodynamics.

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Q: What is Carnot efficiency of a heat engine operating between the temperatures of434 C and 0 C"| Give…

A: Given Data : Temperature1 (T1) = 434 0C T1 is the temperature of hot source Temperature2 (T2) = 0 0C…

Q: 10. The heating and expanding of a gas is called; (a) Thermodynamic system (b)Thermodynamic cycle…

A: A thermodynamic system is the closed boundary in a space where the interaction of mass and the…

Q: 2- A heat engine absorbs 4500 J of heat energy from a hot reservoir and discards 2500 J into the…

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Q: You can't take warm water, turn it into ice, and use the heat from the water to run an engine. This…

A: The statement given is that you can't take warm water, turn it into ice, and use the heat from the…

Q: In a certain thermodynamic process, 20 cal of heat are removed from a system and 30 cal of work are…

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Q: QUESTION 7 A particular heat engine has a mechanical power output of 5.00 kW and an efficiency of…

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Q: A steam engine boiler is maintained at 250°C (523K) and water is converted into  steam. This steam…

A: The direction of heat transmission and the efficiency of heat engines are constrained by the second…

Q: 4)) An engine is found to have 0.73 efficiency. If it does 218 J of work per cycle, what is the heat…

A: Write the expression for the efficiency of the engine. Here, W is the work done and Qin is the heat…

Q: A heat pump is a heating system that has an efficiency of about 150 %, that is, for every joule (J)…

A: Let us first look at the statement of Second Law of Thermodynamics, the Kelvin-Planck Statement:…

Q: 41) A certain automobile engine takes in 4.00 kJ of heat and performs 1.10 kJ of mechanical work in…

A: Given data, Heat input (QH)=4.00 kJ Work done (W)=1.10 kJ

Q: Explain why heat pumps do not work as well in very cold climates as they do in milder ones. Is the…

A: The coefficient of performance of the heat pump is Suppose the temperature of the hot region is T1…

Q: A heat engine recevies 900 j of heat and releases 100 j of heat in each style. what is the…

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Q: The second law of thermodynamics states that we cannot build a perfect heat engine. Explain why.…

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Q: give an example of equilibrium process and explain based on thermodynamics

A: Thermodynamics: Thermodynamics deals with different types of processes where the energy interaction…

Q: Give 3 applications of 0th law of thermodynamics in real life and explain how the law applies on…

A: Zeroth Law:-  It state Regarding temperature of system that  if three body like A, B & C at a…

Q: The 2nd Law of Thermodynamics implies that a heat engine can never completely convert Heat to…

A: The answer is below

Q: Explain why heat engines are never 100% efficient?

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Q: A heat pump is a device that absorbs energy from the cold outdoor air and transfers it to the warmer…

A: Second law of thermodynamics states that energy cannot be transferred from cold body to hot body…

Q: 48. On a hot summer day, 4.00×10° Jof heat transfer into a parked car takes place, increasing its…

A: Given  Heat transfer Q=4×106 J T1=35 T2=45

Q: A heat pump that is used to heat a house has a COP of 2.5. That is, the heat pump delivers 2.5 kWh…

A: Here heat transfer takes place from low energy to high energy but the energy is neither created nor…

Q: 4. An automobile engine consumes fuel at a rate of 22 L/h and delivers 55 kW of power to the wheels.…

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Q: Explain how a change in system energy and heat are related in thermodynamics with respect to…

A: Since the first law of thermodynamics states that energy is not created or destroyed. We know that…

Q: Suppose that you put a hot object in thermal contact with a cold object and observe (much to your…

A: Introduction: According to the first law of thermodynamics, the total energy of a system remains…

Q: 2. How much work is done by a gasoline engine that is 20 % efficient and loses 750 J to the cooling…

A: The efficiency is defined as:                             η=WQi                          0.2 =…

Q: A driver’s manual states that the stopping distance quadruples as the speed doubles; that is, if it…

A: To Prove:  The above given statement  using first law of thermodynamics and mechanics.

Q: Differentiate between the reversible and irreversible process in thermodynamics.

A: Reversible processes are slow processes contains a series of stages and in stage the thermodynamic…

Q: 3. A heat engine does not convert all of the heat that flows through it into mechanical energy.…

A: According conservation of energy, energy can not be created not be destroyed.

Q: 5. Would a 100%-efficient engine violate the first law of thermodynamics? What about a workless…

A: Would a 100%-efficient engine violate the first law of thermodynamics? What about a workless…

Q: 7. For each of the three heat engines described, state whether it violates the First Law of…

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Q: Explain why refrigerator is 2nd law of thermodynamics

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Q: Explain the Second law of Thermodynamics ?

A: Naturally, the heat energy is flowing from the hotter place to the colder place. The natural process…

Q: r. Similarly, a person can be viewed as a heat engine that takes an input of internal energy, uses…

A: Given:- Suppose a trained athlete can function as a heat engine with an efficiency of 0.16. The…

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: 24. A process whose only net result is to absorb heat from a cold reservoir and release the same…

A: According to the second law of thermodynamics of Clausius statement: "it is impossible to construct…

Q: Suppose that you had water in a pot on a stovetop. Neglecting the material that the pot is made out…

A: Given data:    Power (P) = 1000 W Mass (m) = 4.02 kg Initial temperature (T0 ) = 19.2°C Final…

Q: A Carnot Engine operating between 900°F and 90F° produces 40,000 ft-lb of work. Determine (a) the…

A: Given that:T1=900°FT2=90°FW=40,000 ft-lb

Q: Is a temperature difference necessary to operate a heat engine? State why or why not.

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Q: Thermodynamics Problem - The highest theoretical efficiency of a steam engine is 40%. If this engine…

A: Given data: Efficiency of steam engine, η=40%=40100=0.40 Temperature of cold reservoir, Tc=300 K…

Q: A refrigerator moves heat from cold to warm. Why does this not violate the second law of…

A: According to second law of thermodynamics (Clausius statement) , it is impossible to develop a…