A) 209.4
B) 109.4
C) \[-109.4\]
D) \[-209.4\]
E) 250.4
Correct Answer: C
Solution :
\[{{\Delta }_{vap}}{{S}^{\varnothing }}=\frac{{{\Delta }_{vap}}{{H}^{\varnothing }}}{T}\] \[{{\Delta }_{vap}}{{S}^{\varnothing }}=\frac{40.8\times {{10}^{3}}}{373}=109.4\,J{{K}^{-1}}mo{{l}^{-1}}\]
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