10 Questions
What is the main difference between evaporation and boiling?
Evaporation occurs at the surface, while boiling occurs throughout the liquid.
Why does the drop of rubbing alcohol evaporate faster on your hand than on the table?
Your hand provides more energy to the alcohol, causing it to evaporate faster.
At what temperature does evaporation occur?
Evaporation occurs at any temperature, as long as the liquid is in contact with air.
What happens to the temperature of a liquid during boiling?
The temperature of the liquid increases until it reaches the boiling point, then remains constant.
What is the boiling point of a substance?
The boiling point is the temperature at which the liquid phase of a substance changes to the gaseous phase.
What is the primary driving force behind evaporation?
Molecules at the surface gaining enough energy to enter the gaseous state
What happens during the boiling process?
Molecules throughout the liquid enter the gaseous state
Which statement about the boiling point is true?
It is the temperature at which a liquid changes to a gas
What happens to the temperature of a liquid during boiling?
It remains constant
Which factor affects the rate of evaporation?
The temperature
Learn about phase changes, specifically the process of evaporation where molecules at the surface of a liquid gain enough energy to turn into a gas. Discover how evaporation can occur at any temperature and how the rate increases with higher temperatures. Explore the concept of boiling as well.
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