Alcohol wiped across a table top rapidly disappears. Which of the following is true?
A)As the alcohol evaporates it soaks up energy from the table top which is thus cooled.
B)The alcohol is absorbed by the table top in a reaction that releases heat.
C)The alcohol and table top undergo a chemical reaction producing a fragrant vapor.
D)Alcohol is an organic substance composed of continuous matter without empty space and is immediately annihilated when it comes into contact with the table top.

Question

Quizplus · Accepted Answer

As the alcohol evaporates, it takes up energy from the table top, which causes the table top to cool. This is because the energy required for evaporation is taken from the surroundings, in this case, the table top.

Alcohol Wiped Across a Table Top Rapidly Disappears