Given: H₂O(l) $\rightarrow$ H₂O(g) $\Delta$ H $\degree$ = 407 KJ at 373K, What Is the Entropy Change in at 373K

question 82

Multiple Choice

Given: H₂O(l) $\rightarrow$ H₂O(g) , $\Delta$ H $\degree$ = 40.7 kJ at 373K, what is the entropy change in the system ( $\Delta$ S) when one mole of water vaporizes at 100 $\degree$ C and a pressure of one atmosphere?

• A) 407 J/K
• B) -407 J/K
• C) 109 J/K
• D) -109 J/K
• E) J/K

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