The Normal Boiling Point of Water Is 100

question 63

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 24.7 grams of steam at 1 atm condenses to a liquid at the normal boiling point?

• A)88.8
• B)-88.8
• C)-150
• D)373
• E)-40.7

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