(3) 1 mol of ideal gas (V₁, T₁) was expanded against vacuum adiabatically, and the volume became V₂. What is the entropy change in this process?

Q: An ice cube (mass 30 g) at 0°C is left sitting on the kitchen table,  where it gradually melts. The…

A: Suppose ΔQ is the amount of heat required during the phase transition of ice ΔQ=mLSo, change in…

Q: A 70.0-kg log falls from a height of 25.0 m into a lake. If the log, the lake, and the air are all…

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Q: An ice cube (mass 30 g) at 0°C is left sitting on the kitchen table, where it gradually melts. The…

A: The change in entropy as the temperature of water rises can be given as ∆S=∫dQT=∫TiTfmcdTT=mc lnTfTi

Q: A system of ideal gas at 22°C undergoes an ischoric process with an internal energy decrease of 4.80…

A:

Q: S= R+R ln 2 ² h² 2лmk T 3/2 B V o determine that the entropy content of one mole of argon gas at 300…

A: Solution: The entropy of one mol of argon gas at a temperature of 300K is 155 J/K. Then the entropy…

Q: A 66.0-kg log falls from a height of 20.0 m into a lake. If the log, the lake, and the air are all…

A: Given data The mass of the log is given as m = 66 kg. The height is given as h = 20 m. The…

Q: Problem 1 (II) (a) An ice cube of mass m at 0°C is placed in a large 20°C room. Heat flows (from the…

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Q: An ideal gas is taken through any four stage engine cycle ABCDA. What can you say about the entropy…

A: Here given a four stage engine cycle ABCDA. We have to talk about the entropy of the cycle and cycle…

Q: Consider taking two identical ice cubes out of the freezer.  You place one in a cup and let it melt;…

A: Given Two identical ice cubes out of the freezer,  You place one in a cup and let it melt; you take…

Q: A piston/cylinder contains air assumed to be an ideal gas at 800 kPa and 300 K. The gas undergoes…

A: a) According to first law of thermodynamics dQ = dU + PdV  Since the process is isothermal  dU = 0…

Q: A 1.0 mole sample of a “monatomic” ideal gas undergoes a reversible isobaric expansion from Vi to…

A: The change in entropyΔS of the gas.given,no. of moles=1Initial volumeVi=Vifinal…

Q: What is the decrease in entropy (in J/K) of 28.5 g of water that condenses on a bathroom mirror at a…

A: The temperature of a bathroom is, T=35 °C=308 K The mass of water is, m=28.5 g=0.0285 kg The amount…

Q: Can the entropy of an ideal gas change during an isothermal process?

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Q: (2) Consider a container surrounded by adiabatic walls. The container is separated by a fixed and…

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Q: One kilogram of water at the 1 atn boiling point (100°C) is heated until all the water vaporizes.…

A: The heat is given by  H = m LV where, m is the mass and Lv is the latent heat of vaporization.

Q: The surface of the Sun is approximately at = 700 K, and the temperature of the Earth’s surface is…

A:

Q: Calculate the change in entropy of 1.00 mole of helium gas (an ideal monatomic gas) when it is…

A: SOlution:

Q: Three moles of an ideal gas underrgo reversible isothermal compression at 20 degrees C. During…

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Q: Three moles of an ideal gas undergo a reversible isothermal compression at temperature 19.0 ∘C.…

A: Data Given ,  Work done ( W ) = 1500 J Temperature ( T ) = 19°C = ( 19 + 273 ) K.     = 292 K…

Q: 2.5 kg of water at 32 ∘C is mixed with 2.5 kg of water at 63 ∘C in a well-insulated container.…

A: SOlution: Given that 2.5 kg of water at 32 ∘C is mixed with  2.5 kg of water at 63 ∘C in a…

Q: Ice cubes at 0 C are poured into a glass that initially contains 150 g of liquid water at 20 C. The…

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Q: what is the  entropy change when 0.011 m3 of: a perfect ideal gas at 273K and 105 Pa pressure is…

A: Given  Volume, V = 0.011 m3  Temperature, T = 273 K  Pressure, P1 = 105 Pa  Pressure P2 = 106 Pa…

Q: 50 g of water at 30 degrees Celcius is changed into vapor at 100 degrees Celcius. Find the change in…

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Q: 30. (II) Find the change in entropy for n moles of an ideal monatomic gas in the following…

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Q: (I) A thin membrane divides an insulated container into two equal volumes. One side contains 2 mol…

A: (a) When the membrane is broken, the gas will expand into the entire volume of the container. This…

Q: (4) 1 mol of ideal gas (V1,T1) was expanded against vacuum, and the volume became V2. What is the…

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Q: A 2.8 kg piece of aluminum at 43.0 degrees C is placed in 1.0 kg of water in a Styrofoam container…

A:

Q: For an isothermal reversible expansion of two moles of an ideal gas, what is the entropy change in…

A: Given, Number of moles n=2 Volume quadruples means 4 times. So, V2V1=4   We know, Universal gas…

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

A: The change in entropy,