A block of ice cream is prevented from melting by wrapping it in newspaper soaked in water. The water evaporates from the newspaper.
Which molecules escape from the water and what happens to the average speed of the water molecules that remain in the newspaper?
escaping molecules:the more energetic ones / average speed of the remaining water molecules:decreases
2 )
escaping molecules:the more energetic ones / average speed of the remaining water molecules:increases
3 )
escaping molecules:the less energetic ones / average speed of the remaining water molecules:decreases
4 )
escaping molecules:the less energetic ones / average speed of the remaining water molecules:increases
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