An ideal gas undergoes a cyclic transformation starting from the point $A$ and coming back to the same point by tracing the path $A \to B \to C \to D \to A$ as shown in the three cases above. Choose the correct option regarding $Δ U$ :

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As internal energy ' U ' is a state function, its cyclic integral must be zero in a cyclic process ∴ Δ U case ( I ) = Δ U case ( II ) = Δ U case ( III )

Chemistry - Thermodynamics - I Question with Solution | TestHub

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