How does the second law of thermodynamics relate to heat engine?

Q: why does the entropy of water increase with increasing temperature, while the entropy of steam…

A: When temperature increases for water, there will be a phase transition. Water will convert into…

Q: For a process that is nonflow, what is the 1st law of thermodynamics?

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Q: What mass of steam at 100°C must be mixed with 300 g of ice at its melting point, in a thermally…

A: Given Information: Mass of ice, mi = 300 grams = 0.3 kg  Latent heat of fusion , Lf = 333 KJ /kg…

Q: Why is entropy change at constant pressure greater than entropy change at constant volume

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Q: It is usually the case that there is more rainfall in locations on the west side of mountains than…

A: The second step of the process states that the "The air temperature decreases as the winds rise up a…

Q: During each cycle of its operation, a certain gasoline engine consumes 500 joules of chemical while…

A: Write the given values with the suitable variables. Q1=500 JQ2=300 J Here, Q1 and Q2 are the heat…

Q: In the electrical power plant, the easy way to increase the efficiency is to keep the temperature of…

A: The relation between the efficiency of the heat engine and the temperature of the cold and hot…

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

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Q: A 4.00 kg block of ice at 0.00 C falls into the ocean and melts. The average temperature of the…

A: The  change in entropy of the world is 60 J/K

Q: Does the entropy of a system always increase with an increase in temperature?

A: Not always. Entropy of system  increases when heat is transferred. And sometimes temperature can be…

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: A Carnot engine operates between a hot reservoir at 317 K and a cold one at 250 K. If the engine…

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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: Explain why heat engines are never 100% efficient?

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Q: In the first law of thermodynamics, why or why not a hypothetical machine is likely to be…

A: First law of thermodynamics is basically law of conservation of energy. According to first law of…

Q: Give 3 examples of change in entropy of a system whether an increase or decrease in entropy in a…

A: Answer :- Entropy In simple way we can express as :-                      entropy is defined as…

Q: Would a definition of heat engine efficiency as e = W/QLbe useful? Explain

A: The efficiency for a heat engine is defined as the ratio of how much useful it delivers to that of…

Q: My Vitamix blender can make hot water mechanically. The blender takes 32 oz of water at 25DegC and…

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Q: Explain the Thermodynamic Identities ?

A: The relations between Thermodynamics term (eg. entropy, temperature, internal energy, heat, etc.)…

Q: Which has more entropy: (a)  a pile of bricks, or the resulting house;

A: Entropy is a measure of disorder and entropy increases when a thermodynamic system goes from an…

Q: Write a note on “ENTROPY”.

A: Entropy can be defined as the measure of randomness or molecular disorderness of a system. It is an…

Q: why does the entropy of water increase with increasing temperature, while the entropy of steam…

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Q: Describe how the evaporator in an air conditioner works in terms of the second la thermodynamics.

A: The evaporator in an air conditioner works based on the principles of the second law of…

Q: How can the thermal conduction of heat from a hot object to a cold object increase entropy when the…

A: Concept used: Second law of thermodynamics is used. Heat flows from a hotter object to a colder one.

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: Discuss the concept of entropy.

A: Entropy is the measurements of degree of disorder ( or randomness ) in a system. Its unit is…

Q: List any two applications of laws of thermodynamics

A: There are three laws of thermodynamics