A Vessel Containing 10 Kg of Water Is Left Out

question 19

Multiple Choice

A vessel containing 10 kg of water is left out where it evaporates. If the temperature remains constant at 20°C, what is the change in entropy (in kcal/K) ? (The latent heat of vaporization at 20°C is 585 cal/g.)

• A) 30
• B) 10
• C) 20
• D) 40
• E) 290

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