1 mole of hydrogen gas, which has a heating heat of CP(J/mol.K) =27.17 + 3.8.10-3 T, is 2 atm and At constant pressure from 28°C, it is first heated until its temperature reaches 200°C. Then the gas The isotherm is reversible so that the total entropy change in the system is zero. is compressed. Find the final pressure of the gas

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

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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: 10 Kg of water at 20°C is converted to steam at 250°C at a temperature of one atmospheric pressure.…

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Q: P(Pa) 1.5 x 105 1.0 x 105 0.5 x 105 V(m) 0.25 0.50 1. The diagram above of pressure P versus volume…

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Q: What is the temperature of the system at point C? * O 600 K 900 K 1200 K 1500 K 1800 K O 2000 K

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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: 500 g of ice at -10.0°C are placed on top of a 2.00 kg slab of aluminum at 30.0°C. The system is…

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Q: We mix 8 litre of helium with 2 litre of argon at 300 K and atmospheric pressure. Calculate the…

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Q: Two moles of an ideal gas have an initial Kelvin temperature T; and absolute pressure P₁. The gas…

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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 sophomore with nothing better to do adds heat to 0.350 kgof ice at 0.0C until it is all melted.…

A: Ice is at a temperature 0°C. The expression for the change in entropy of object is, ∆s=-mLiceT…

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: It melts completely 1.0 kg of ice at 0.0°C.  Calculate the change in entropy. (LF = 3.33 x 105 J/kg)

A: Since ice melts completely at 0°C, that means phase change takes place. So formula for change in…

Q: À 1.20 mol of an ideal gas at 350 K undergoes a free adiabatic expansion from V1 = 12.3 L to V2=…

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

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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: . One mole of an ideal gas expands isothermally at T = 20°C from 1.1 m³ to 2.1 m³. The gas constant…

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Q: Heating 4.5 mol O₂ at a constant external pressure results in the temperature changing from 264K to…

A: We are given the value of Cp as function of time. We know that change in entropy for small change in…

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: 30 grams of ice at -5 Celsius melt while being left at room temperature of 28 Celsius.  After…

A: Given data The mass of the ice is m = 30 grams The initial temperature of ice is Ti-ice = -5⁰C = 268…

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: A glass of 450.0 g water at 20°C is chilled using a 20.0 g icecube at 0°C. Assume that the mixing…

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Q: You use a 32 L chamber to hold 11.2 g of Neon gas at 297 K, and then allow the gas to expand…

A: Given Data: The initial volume of a chamber is, V1=32 L The final volume of a chamber is, V2=2.1 L…

Q: A 1.20 mol of an ideal gas at 350 K undergoes a free adiabatic expansion from V1 = 12.3 L to V2 =…

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