\( 16 \mathrm{~kg} \) oxygen gas expands at STP (1 atm) isobarically to occupy double of its ori....

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\( 16 \mathrm{~kg} \) oxygen gas expands at STP (1 atm) isobarically to occupy double of its original value.
\( \mathrm{P} \)
The work done during the process is nearly
(1) \( 260 \mathrm{kcal} \)
(2) \( 180 \mathrm{kcal} \)
(3) \( 130 \mathrm{kcal} \)
(4) \( 271 \mathrm{kcal} \)


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