A) \[109.4\text{ }J{{K}^{-1}}\text{ }mo{{l}^{-1}}\]
B) \[-109.4\text{ }J{{K}^{-1}}\text{ }mo{{l}^{-1}}\]
C) \[218.8\text{ }J{{K}^{-1}}\text{ }mo{{l}^{-1}}\]
D) \[-218.8\text{ }J{{K}^{-1}}\text{ }mo{{l}^{-1}}\]
Correct Answer: A
Solution :
\[{{\Delta }_{vap}}S=\frac{{{\Delta }_{vap}}H}{T}=\frac{40.8\times {{10}^{3}}}{373}\] \[{{\Delta }_{vap}}S=109.4\,J{{K}^{-1}}\,mo{{l}^{-1}}\]
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