4) Calculate the change in the entropies of the system and the surroundings, and the total change in entropy, when the volume of a sample of argon gas of mass 21 g at 298 K and 1.50 bar increases from 1.20 dm3 to 4.60 dm3 in (a) an isothermal reversible expansion, and (b) an adiabatic reversible expansion.

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Q: 1.5 mol argon gas expanded at 298 K and 1.0 bar until the volume has increased by a factor of 10.0…

A: The solution of the question is given below: Given conditions: No. of moles of argon gas = 1.5 mole…

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Q: E3B.3(b) Estimate the change in the molar entropy of N₂(g) when the temperature is lowered from 298…

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A: Please find the below attachments.

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A: Given information: Mass of argon gas = 2.9 g Initial volume = 1.20 dm3 Final volume = 4.60 dm3…

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A: Energy(qrev) = 25 kJTemperature(T) =0+273 = 273KTemperature(T) = 100+273 = 373KS =?

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