What Is the Change in Entropy for the Vaporization of 18

question 21

Multiple Choice

What is the change in entropy for the vaporization of 18 g of H₂O at 100°C? At this temperature, the molar enthalpy of vaporization for water is 44.0 kJ/mol.

• A) 44 kJ/mol
• B) 440 J/K
• C) 117.9 J/K
• D) -41 kJ/K
• E) -440 kJ/K

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