What happens to the vapor pressure of a liquid as temperature increases?

Practice Questions

Q1
What happens to the vapor pressure of a liquid as temperature increases?
  1. It decreases
  2. It remains constant
  3. It increases
  4. It becomes zero

Questions & Step-by-Step Solutions

What happens to the vapor pressure of a liquid as temperature increases?
  • Step 1: Understand that vapor pressure is the pressure exerted by the vapor of a liquid in a closed container.
  • Step 2: Know that temperature is a measure of how hot or cold something is.
  • Step 3: Realize that when the temperature of a liquid increases, the molecules in the liquid move faster.
  • Step 4: Recognize that faster-moving molecules have more energy, which allows some of them to escape from the liquid into the vapor phase.
  • Step 5: Conclude that as more molecules escape into the vapor phase, the vapor pressure increases.
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