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…
A:
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.
Q: you have 1.0 kg of ice with the temperature -20.0 C a) what amount of heat is needed to convert the…
A: Given: m=1kg, T1=-20°C, T2=20°C (a) The specific heat of ice, water, and latent heat of fusion of…
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…
Q: What happens to the efficiency of the heat engine when the amount of heat it absorbs from the hot…
A: Given data: Heat absorbed from hot reservoir = Heat released to cold reservoir Qh = Qc Required:…
Q: Water is heated on a stove. Which of the following temperature changes results in the greatest…
A: Required The greatest change in entropy.
Q: 1.75 kg of carbon dioxide sublimate from solid dry ice to a gas at a pressure of 100 kPa and a…
A: Given mass of carbon dioxide m=1.75 kgTemperature T=194.7 KLatent heat of sublimation L=5.77×105…
Q: A 700.0 g block ice at -20 °C is brought into thermal contact with 30.0 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: a. Is it possible to decrease the entropy of a system? If so, how would you do this? b. Is it…
A:
Q: 4. Calculate the entropy of Van der Waal's gas a function of femp. and volume.
A:
Q: 1. A heat engine takes in 90W of power from the hot reservoir and deposits 60W of power into the…
A:
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…
A: Given The condensation of water vapour into water droplets. Entropy is the measure of disorder or…
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…
A:
Q: In the house to rooms are separated by a wall made of brick 4 inch thick Room A is held a constant…
A: Temperature of room A (TA)=300 K Area of wall in room A (AA)=12 m2 Temperature of room B (TB)=273 K…
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: A given amount of water loses heat. Does the entropy of the water increase or decrease? Does this…
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…
A:
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…
A:
Q: For the same maximum pressure and temperature, A. Otto cycle is more efficient than Diesel cycle B.…
A: Option b is correct
Q: 1. A certain heat engine does 7 kJ of work and 6 kJ of heat transfer occurs to the environment in a…
A:
Q: 1. A gas obeys the following equation of state: ap² T m³K bar mol where a = - P(v − b) = RT + -0.001…
A:
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…
A:
Q: 3) Consider a system consisting of one particle with two states, one of energy 0 and one of energy…
A:
Q: n a SIMPLE Rankine cycle, the steam throttled condition is 8 MPa and 480°C. The steam is then…
A:
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…
A:
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…
A:
Step by step
Solved in 2 steps