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One mole of a gas is subjected to a process from (2 bar, 30 lit , 300K) to (2bar, 40 lit, 500K), Given: $C_{v} = 25 J / m o l / K$ $C_{P} = 40 J / m o l / K$ Calculate $Δ U$

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5000 J

6000 J

8000 J

10000 J

answer is B.

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Detailed Solution

$Δ U = q + w \Rightarrow = (40 \times 200) + (- 2 \times 10 \times 100) = 6000 J$

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