The Normal Boiling Point of Water Is 100

question 52

Multiple Choice

The normal boiling point of water is 100.0°C and its molar enthalpy of vaporization is 40.67 kJ/mol. What is the change in entropy in the system in J/K when 39.3 grams of steam at 1 atm condenses to a liquid at the normal boiling point?

• A)88.8
• B)-88.8
• C)-238
• D)373
• E)-40.7

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