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Question

Match the following
List IList IIA. Reversible isothermal expansion(p)w=RPext[T2P1T1P2]P1P2B. Irreversible isothermal expansion (q)w=Rγ1[T2T1]C. Reversible adiabatic expansion(r)w=Pext(V2V1)D. Irreversible adiabatic expansion(s)w=nRT log(V2V1)

A
A - (r), B - (s). C-(q), D - (p)
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B
A - (s), B - (r). C-(p), D - (q)
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C
A - (s), B - (r). C-(q), D - (p)
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D
A - (p), B - (r). C-(q), D - (s)
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Solution

The correct option is C A - (s), B - (r). C-(q), D - (p)
(a) For reversible isothermal expansion :
w= nRT ln(V2V1)

(b) For irreversible isothermal expansion :
w=Pext(V2V1)

(c) For reversible adiabatic expansion :
w=ΔU=Rγ1[T2T1]

(d) For irreversible adiabatic expansion :
w=PextΔV=RPext[T2P1T1P2]P1P2

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