Distinguish between reversible and inrreversible processes.

Q: A heat engine has a thermodynamic efficiency of .4. Calculate one cYCLE heat taken up by the engine…

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Q: A Carnot engine is running at 30% efficiency and at a rate of 12 cycles/s. It absorbs 1000 J of…

A: Given data as per question efficiency =30% Heat Absorb =1000 j Calculations Efficiency(η)=  1−T2T1η=…

Q: Consider mixing some of the ice water with the hot water and vice versa so that the two reservoirs…

A: The process of mixing cold water with hot water and vice versa is irreversible.Entropy formation…

Q: What must occur in cases where in entropy decreases?

A: The entropy is defined to be a measure of randomness. In other words, it is the amount of energy…

Q: How is the reversible process different from the thermodynamic process?

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Q: Illustrate the entropy statement of the second law of thermodynamics?

A: Definition: The second law of thermodynamics states that the total entropy of an isolated system can…

Q: A The work for an isothermal process that moves from volume V₁ to a larger volume V₂ is given by ()…

A: True

Q: How does a refrigerator operate such that it is not breaking the first law of thermodynamics?

A: According to first law of thermodynamics ΔU = Q + W ΔU = Change in internal energy of the system. Q…

Q: Using the first law of thermodynamics explain with appropriate equation how does (i) internal energy…

A: The answer is given below

Q: It is claimed that, while running through a whole number of cycles, a heat engine takes in 25 kJ of…

A: First law of thermodynamics or law of conservation of energy states that the total energy of an…

Q: We ordinarily say that ΔU = 0 for an isothermal process. Does this assume no phase change takes…

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Q: A heat engine takes in 340 J of energy from a hot reservoir and performs 22.0 J of work in each…

A: (a) Find the efficiency of the engine. e=WQ×100=22.0 J340 J×100=0.065×100=6.5%

Q: Is it possible for the efficiency of a reversible engine to be greater than 1.0? Is it possible for…

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Q: Explain why a building made of bricks has smaller entropy than the same bricks in a disorganized…

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Q: A certain heat engine does 31.2 k of work and dissipates 8.34 k of waste heat in a cydical process.…

A: Given Data: The work done by the engine is, W=31.2 kJ The dissipated heat energy is,…

Q: If there were no process, then there would be no need for ____ in a system.

A: To determine: What happens if there were no process in a system

Q: 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: has No cyclic heat engine reversible engine operating Prove e carnot > e otto with a greater…

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Q: In a mechanical power cycle, the air contained in a piston-cylinder occupies 0.004 m3 and undergoes…

A: Concept used: There is no heat loss or heat gain during an adiabatic process.

Q: Give some examples of reversible processes.

A: Reversible processes in thermodynamics are such that both system and surroundings can return back to…

Q: A certain heat engine operating on a Carnot cycleabsorbs410 J of heat per cycle at its hot reservoir…

A: First, we use the relation between the efficiency and temperatures of hot and cold reservoirs to get…

Q: Consider the following quantities:  Heat Energy, Work, Change in Internal Energy and Change in…

A: Given quantities are : Heat Energy , Work , Change in internal Energy And change in entropy

Q: Can any other engine achieve efficiency more than the Carnot engine?

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Q: 53. When an aluminum bar is connected between a hot reservoir at 725 K and a cold reservoir at 310…

A: Given : Temperature of hot reservoir (Th) = 725 K Temperature of cold reservoir (Tc) = 310 K Energy…