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19/09/2020 10:08 am
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Five moles of an ideal gas at 1 bar and 298 K is expanded into vacuum to double the volume. The work done is :
(1) –RT(V2 – V1)
(2) Zero
(3) –RT in V2 / V1
(4) C2(T2 – T1)
1 Answer
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19/09/2020 10:13 am
(2) Zero
Explanation:
W = –Pext ΔV
In expansion against vacuum Pext = 0
So work done is zero