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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesHard2 minQB

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Two identical vessels of volume $V$ hold an ideal gas at $P_{0}$ and $T_{0}$ . The first has diathermic walls (always at $T_{0}$ ); the second has adiabatic walls. Both pistons are slowly pulled out to $3 V$ and clamped, and the vessels are then joined by a thin tube. After a long time the temperature and pressure are:

Options:

Answer:

Solution:

The joined gas is in thermal contact with the diathermic wall, so $T = T_{0}$ . The moles total $2 n$ with $n = \frac{P _{0} V}{R T _{0}}$ , in volume $6 V$ : $P = \frac{2 n R T _{0}}{6 V} = \frac{P _{0}}{3}$ .

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermodynamics Laws & Specific Heats of Gases

⏱ 2mℹ️ Source: QB

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