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Question

Match the Column - I with Column - II
ColumnI(IdealGas)Column - II (Related equation)(A) Reversible isothermal process(P)W=2.303nRTlog(P2/P1)(B) Reversible adiabatic process(Q)W=nCv,m(T2T1)(C) Irreversible adiabatic process(R)PV=nRT(D) Irreversible isothermal process(S)W=vfviPext.dV


A
A) P,R,S
B) Q,R,S
C) Q,R,S
D) R,S
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B
A) P,S
B) Q,S
C) Q,R,S
D) R,S
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C
A) P
B) Q,S
C) Q,S
D) R,S
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D
A) P,Q,R,S
B) Q,S
C) Q,S
D) R,S
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Solution

The correct option is A A) P,R,S
B) Q,R,S
C) Q,R,S
D) R,S
From first law, we know. ΔU=q+w
For adibatic process: q = 0,
for isothermal process: ΔU=0
Using PV = nRT and ΔU=ncvdT
we get the correct options as
[A]P,R,S
[B]Q,R,S
[C]Q,R,S
[D]R,S

Chemistry

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