Multiple Choice
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.
Correct Answer:

Verified
Correct Answer:
Verified
Q38: What is the mass in kilograms of
Q39: The scanning probe microscope creates images of
Q40: Why do we use different units for
Q41: The density of air at 25°C and
Q43: The value 300 joules could be a
Q44: Which of the following units of measurement
Q45: Which of the following is the least
Q46: If the density of mercury is 13.6
Q58: How would you describe the size of
Q66: How would you describe the volume of