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What is the boiling point of a liquid?
What is the boiling point of a liquid?
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Practice Questions
1 question
Q1
What is the boiling point of a liquid?
The temperature at which vapor pressure equals atmospheric pressure
The temperature at which a liquid freezes
The temperature at which a liquid evaporates
The temperature at which a liquid condenses
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The boiling point is defined as the temperature at which the vapor pressure of a liquid equals the atmospheric pressure.
Questions & Step-by-step Solutions
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Q
Q: What is the boiling point of a liquid?
Solution:
The boiling point is defined as the temperature at which the vapor pressure of a liquid equals the atmospheric pressure.
Steps: 6
Show Steps
Step 1: Understand that a liquid has molecules that are moving around.
Step 2: Know that these molecules can escape into the air as vapor.
Step 3: Realize that vapor pressure is the pressure created by these escaping molecules.
Step 4: Learn that atmospheric pressure is the weight of the air above us.
Step 5: The boiling point is reached when the vapor pressure of the liquid is equal to the atmospheric pressure.
Step 6: At this point, the liquid starts to turn into vapor quickly, which is what we see as boiling.
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