Chemistry · 2016
NEET 2016 · 24 July · Code AA · Q52
For a sample of perfect gas when its pressure is changed isothermally from p_i to p_f, the entropy change is given by
For a sample of perfect gas when its pressure is changed isothermally from $\displaystyle p_i$ to $\displaystyle p_f$, the entropy change is given by
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \Delta S=n R \ln \left(\frac{p_i}{p_f}\right)$
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