Cubical tanks X and Y have the same volumes and share a common fixed perfectly conducting wall. There is 1 gm of helium in tank X and 2 gm of helium in tank Y. Which of the following is the same for both samples treating them as ideal gases?

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TestHub · Accepted Answer

P x ​ = V n x ​ RT ​ , P y ​ = V n y ​ RT ​ ⇒ P y ​ P x ​ ​ = n y ​ n x ​ ​ = 2 1 ​ . ρ ∝ P , so ρ y ​ ρ x ​ ​ = 2 1 ​ . N = No. of collisions / sec ∝ P . V avg ​ = π M 8 RT ​ ​ ⇒ V x ​ = V y ​ (same T, same gas).

Physics - Heat & Thermo Question with Solution | TestHub

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