A) \[2930\,\,J{{K}^{-1}}\,mo{{l}^{-1}}\]
B) \[16.64\,J{{K}^{-1}}\,mo{{l}^{-1}}\]
C) \[104.67\,J{{K}^{-1}}\,mo{{l}^{-1}}\]
D) \[9.77\,J{{K}^{-1}}\,mo{{l}^{-1}}\]
Correct Answer: D
Solution :
Entropy (S) is a state function, the disorder or degree of randomness in a system is known as its entropy \[\Delta S=\frac{{{q}_{(rev)}}}{{{T}_{f}}}\]or \[\Delta {{\Eta }_{f}}\] \[{{q}_{rev}}=\]heat absorbed by the system in a reversible manner at given temperature \[\Delta {{S}_{f}}=\frac{2930}{273+27}=\frac{2930}{300}=9.77\,J/K\,mol\] Similarly \[\Delta {{S}_{vap}}=\frac{\Delta {{\Eta }_{vap}}}{{{T}_{vap}}}\] entropy is an extensive property
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