The Entropy Change When One Mole of Acetone [(CH₃)₂CO] Vaporizes

question 69

Multiple Choice

The entropy change when one mole of acetone [(CH₃) ₂CO] vaporizes at its boiling point (56 ° C) is D S _vap = 97.16 J/mol × K. How much heat is absorbed when 58.0 grams of acetone vaporizes at 56 ° C?

• A) 0.29 kJ
• B) 5.44 kJ
• C) 97.16 kJ
• D) 234 J
• E) 32.0 J

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