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One mole of an ideal gas at `25^(@)C` is subjected to expand reversible ten times of its intial volume. The change in entropy of expansion is
A. `19.15JK^(-1)mol^(-1)`
B. `16.15JK^(-1)mol^(-1)`
C. `22.15JK^(-1)mol^(-1)`
D. None

1 Answer

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Best answer
Correct Answer - A
`DeltaS(q)/(T)=(2.303nRT)/(T)"log"(V_(2))/(V_(1))`
`=2.303xx1xx8.314log10`
`=19.15JK^(-1)mol^(-1)`

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