Given: H₂O(l) → H₂O(g) ΔH° = 40

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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