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Question

For an ideal gas undergoing adiabatic expansion from 2 L to 4 L at 400 K ( γ = 1.67 ), what is the final temperature?

Options

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Explanation

For adiabatic process, T₂ = T₁ (V₁/V₂)γ⁻¹ = 400 × (2/4)⁰.⁶⁷ ≈ 400 × 0.62996 = 252.0 K .