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  3. Study Set
    Chemistry Study Set 2
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    Exam 20: Thermodynamics: Entropy, Free Energy, and Reaction Direction
  5. Question
    Given: H<sub>2</sub>O(l) → H<sub>2</sub>O(g) ΔH° = 40
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Given: H2O(l) → H2O(g) ΔH° = 40

Question 60

Question 60

Multiple Choice

Given: H2O(l) → H2O(g) ΔH° = 40.7 kJ at 373K What is the entropy change in the system (ΔS) when one mole of water vaporizes at 100°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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