In which of those systems can entropy be decreased under certain conditions? Select one: a. Closed system O b. Open system c. In neither of the named d. Isolated system
Q: The efficiency of a Carnot heat engine is 25%. It takes 4000 J of heat input. What is the heat…
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Q: 0.2kg cup of tea at Ti=368.15K is left to cool down in a room at 293.15K.Above cup of tea iscooled…
A: Thermodynamics.
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Q: 0.2kg cup of tea at Ti=368.15K is left to cool down in a room at 293.15K. Calculate the following…
A: The heat transferred to the system divided by the system temperature is the entropy change of the…
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A: Required The greatest change in entropy.
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A: Since the system is adiabatic (no heat exchange with the surroundings) and at constant pressure, the…
Q: a. Is it possible to decrease the entropy of a system? If so, how would you do this? b. Is it…
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Q: 4. Calculate the entropy of Van der Waal's gas a function of femp. and volume.
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Q: 1. A heat engine takes in 90W of power from the hot reservoir and deposits 60W of power into the…
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Q: A gasoline truck engine takes in 10,000 J of heat and delivers 2,000 J of mechanical work per cycle.…
A: Find the heat energy due to cold reservoir. QH=W+QCQC=QH-W=10,000 J-2,000 J=8000 J The entropy of…
Q: A 700.0 g block ice at -20 °C is brought into thermal contact with 10.0 g of water at 0 °C in an…
A: Since the system is adiabatic (no heat exchange with the surroundings) and at constant pressure, the…
Q: State whether the change in entropy is greater than 0, less than 0, or zero. The condensation of…
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Q: In a specific heat test, 200 g of aluminum C, 0.215- g oc is mixed with 50 cal ? g of water at 20 °C…
A: Given data, Specific heat of the aluminum = 0.215 Cal/gm.oC Mass of aluminum = 200 gm Initial…
Q: What is principle of increase of entropy? The entropy of a boiled egg decreases as it cools. Is this…
A: What is principle of increasing entropy? To discuss whether there is a violation of the increase of…
Q: In every cycle of its operation, a Carnot engine takes in 640 J of heat from a reservoir at 380 K…
A: Given, heat taken from reservoir, Q = 640 J temperature of reservoir, TH = 380 K TC = 300 K
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: A heat engine does 7300 J of work per cycle while absorbing 12 to 0 J of heat energy from the hot…
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Q: In the house to rooms are separated by a wall made of brick 4 inch thick Room A is held a constant…
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A: Total energy is always given as the sum of energy of the system and energy of the surroundings.
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A: The second law of thermodynamics states that the entropy of the universe never decreases.
Q: QUESTION 1 During the irreversible steps of a cyclic process the transfers heat to the The…
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Q: Choose the correct statements. a. A system with a larger number of macrostates has a larger…
A: Answer: we know the relation between entropy and microstates : S=k ln(W) where S= entropy…
Q: Consider three assemblies at the same T and P, of identical non-interacting systems, the weights of…
A: Three assemblies of same T and P of identical non-interacting systems whose weights are given as…
Q: 8. Air is compressed by a 15 - kW compressor from P, to P2. The air temperature is maintained…
A: solution- assumptions- 1. This is a steady flow process. 2. Air is an ideal gas. 3. Potential energy…
Q: Equal masses of steam (100 degrees C) and ice (0 degrees C) are placed in contact with each other in…
A: The idea of the entropy of a system measures the thermal energy, molecular disorder, and randomness…
Q: 2. The picture in Figure 1b shows a schematic pV-graph for a Stirling engine. Redraw the graph and…
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Q: For the same maximum pressure and temperature, A. Otto cycle is more efficient than Diesel cycle B.…
A: Option b is correct
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Q: 1. A gas obeys the following equation of state: ap² T m³K bar mol where a = - P(v − b) = RT + -0.001…
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Q: QUESTION 4 In the figure below (or see Figure 1 in Figures.pdf), the system is described by Solid A:…
A: Given,NA=4NB=4q=10 Notes: We’ll answer the first question since the exact one wasn’t specified.…
Q: A 4.50-kg block of ice at 0.00℃ falls into the ocean and melts. The average temperature of the ocean…
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Q: 3) Consider a system consisting of one particle with two states, one of energy 0 and one of energy…
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Q: n a SIMPLE Rankine cycle, the steam throttled condition is 8 MPa and 480°C. The steam is then…
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Q: What is the change in entropy of 3.0 kg of water at 10 °C when it is heated to 50 ° C? The specific…
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Q: 5. If the change in system entropy for a given process is -8.3 J/(mole.K): (A) What can be known…
A: Given, change in system entropy for a given process is -8.3 J/(mole. K) ∆Ssys = -8.3 Jmol K We know…
Q: 2. Stirling Cycle A diatomic ideal gas (n moles) goes through cycle a-b-c-d-a as shown in the…
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