Evaporation Flashcards
(15 cards)
What is evaporation?
Evaporation is the process by which liquid water is converted into vapor.
True or False: Evaporation occurs at all temperatures.
True.
Fill in the blank: The rate of evaporation increases with an increase in _______.
temperature.
What is the primary factor that affects the rate of evaporation?
Temperature.
Multiple Choice: Which of the following factors does NOT affect evaporation? A) Air pressure B) Humidity C) Color of the liquid D) Temperature
C) Color of the liquid.
What is the term for the amount of energy needed to convert a unit mass of a liquid into vapor?
Latent heat of vaporization.
True or False: Evaporation can occur in a vacuum.
True.
Fill in the blank: Evaporation is a _______ process, meaning it absorbs heat.
endothermic.
What happens to the temperature of a liquid when evaporation occurs?
The temperature of the liquid decreases.
Multiple Choice: Which of the following increases the rate of evaporation? A) Decreasing surface area B) Increasing wind speed C) Lowering temperature D) Increasing humidity
B) Increasing wind speed.
What is the role of humidity in the process of evaporation?
Higher humidity slows down the rate of evaporation.
True or False: Evaporation is the same as boiling.
False.
Fill in the blank: The process of evaporation is essential for the _______ cycle.
water.
What is the effect of surface area on the rate of evaporation?
Increased surface area increases the rate of evaporation.
Multiple Choice: Which of the following liquids will evaporate the fastest at room temperature? A) Water B) Alcohol C) Oil D) Mercury
B) Alcohol.
