suppose we have a cornot engine running between a temp of 100 degrees C and 0 degrees C. Of we extract 100KJ of work, what is the change in the entropy of the universe? what is the entropy change of the hot reservoir? entropy change of the cold reservoir?

Q: 7-32 A 0.5-m³ rigid tank contains refrigerant-134a initially at 200 kPa and 40 percent quality. Heat…

A: Thus the entropy change in refrigerant is 3.875kJ/kg⋅K

Q: If I know that the change in entropy of a system where heat was added is 30 J/K, and that the…

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Q: Suppose we place 43 g of ice at 273 K in contact with a heat reservoir at 301K. Heat energy…

A: Given: The amount of ice is 43 g.            The temperature of the ice is 273 K.            The…

Q: Calculate the change in entropy of the universe if 0.3 kg of water at 70°C is mixed with 0.2 kg of…

A: Given: Mass of water 1,m1=0.3kgTemperature,T1=700C=343KMass of water…

Q: The second law of thermodynamics states that the entropy of an isolated system not in equilibrium…

A: The objective of the question is to verify the statement about the second law of thermodynamics and…

Q: As the metals reach thermal equilibrium, what is the entropy change of the universe? Express your…

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Q: Heat in the amount of 113kJ is transferred directly from a hot reservoir at 810 °C to a cold…

A: Heat, Q = 113 kJTemperature of hot reservoir, Th = 810 °CTemperature of cold reservoir, Tc = 390 °C…

Q: The temperature at the surface of the Sun is approximately 5,600 K, and the temperature at the…

A: Solution: Given data, Sun temperature=5600 K Earth temperature=293 K Energy=5000 J

Q: A Styrofoam cup holding 127 g of hot water at 1.00 x 102°C cools to room temperature, 24.0°C. What…

A: Given:Mass of hot water in cup (m) = 127 gTemp of hot water in cup (Ti) = 100 °CRoom temperature…

Q: A 12 g ice cube at -13 °C is placed in a lake whose temperature is 19 °C. Calculate the change in…

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Q: Suppose we put a small ice cube in a bucket containing 70 kg of water at 38 °C. As the ice melts, it…

A: heat transfer equation gives dH=mcdT ∆H=mc∆T where m is the mass of water=70kg c is the specific…

Q: If I add 30J of heat to a system so that the final temperature of the system is 300K, what is the…

A: Entropy change = [Heat change in process÷ Temperature ] Heat change = 30J Temperature = 300K

Q: P6

A: Given that,Mass : m= 2 (kg)Initial speed : vi = 5 (m/sec)Temperature : T = 24°C = 24+273 = 297…

Q: A 75 g ice cube at 0∘C is placed on a very large table at 20∘C. You can assume that the temperature…

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Q: Suppose this engine is not reversible, and that only 457 J of work is done when 1050 J of heat is…

A:

Q: If the entropy of state X of a system is higher than the entropy of state V of the system, what can…

A: As we know that there is always increase in the entropy of the universe.  As the Entropy of state X…

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

A:

Q: Explain how water’s entropy can decrease when it freezes without violating the second law of…

A: Total energy is always given as the sum of energy of the system and energy of the surroundings.

Q: If energy is always conserved, never created or destroyed, then why do most of the machines in our…

A: SOlution: To explain If energy is always conserved, never created or destroyed, then why do most of…

Q: Two objects which is the B1 (T = 40 C) and B2 (T = 18 C), has experienced entropy changes of 6.4 x…

A: The change in entropy of an object at a particular temperature is given by the equation dS=dQTdS is…

Q: Entropy principle: "For all irreversible processes, the change in entropy of the universe is…

A: So we have a very simple question, i tried to put forward your question in two different ways in a…

Q: Part 1: Five thousand kilocalories (5000 kcal) of heat flows from a high temperature reservoir at…

A: Entropy change is related to the amount of heat transferred at a temperature T as, ∆S=∆QT∆Q is the…

Q: In a living cell, which is an open system that exchanges energy and matter with the exterior, the…

A: In a living cell, even though it is an open system exchanging matter and energy with its…

Q: A sophomore with nothing better to do adds heat to 0.500 kgkg of ice at 0 ∘C∘C until it is all…

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Q: Consider a system of 2 6-sided dice where the sum of the dice is the macrostate. What happens to the…

A: Given data, Given a set of three 6 sided dices. Where, a microstate represents the event for that…

Q: Which statement is not the second law of thermodynamics? -For a natural process, the entropy…

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Q: A heat engine whose thermal efficiency is 35 percent uses a hot reservoir at 1100 R and a cold…

A: Given,

Q: Give your own examples where the entropy of a system decreases, and where it increases. Explain your…

A: Give your own examples where the entropy of a system decreases, and where it increases. Explain your…

Q: It can be said that entropy is the greatness that provides us with information on the possibility of…

A: Which of the statements below represents an appropriate sentence for the concept of Entropy.

Q: Suppose that the Earth was thermally insulated from the rest of the universe so that it was an…

A: Given The Earth was thermally insulated from the rest of the universe so that it was an isolated…

Q: What is the change in entropy in an adiabatic process? Does this imply that adiabatic processes are…

A: The change in entropy,

Q: A 310 cm3 cup of coffee cools from 88∘C to the 20∘C temperature of the room. Assume that the…

A: