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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoKTGMedium2 minQB

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A vessel of volume V contains an ideal gas at absolute temperature T and pressure P. The gas is allowed to leak till its pressure falls to $P^{'}$ . Assuming that the temperature remains constant during leakage, the number of moles of the gas that have leaked is

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Solution:

Initial moles $n = \frac{P V}{RT}$ ; moles left $n^{'} = \frac{P ^{'} V}{RT}$ . Leaked $Δ n = n - n^{'} = \frac{V}{RT} (P - P^{'})$ .

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:KTG

⏱ 2mℹ️ Source: QB

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