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What is the effect of temperature on Raoult's Law?

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Question: What is the effect of temperature on Raoult\'s Law?

Options:

  1. It has no effect.
  2. It increases vapor pressure.
  3. It decreases vapor pressure.
  4. It only affects the solute.

Correct Answer: It increases vapor pressure.

Solution: 

Temperature affects the vapor pressure of both the solvent and the solution, generally increasing vapor pressure with temperature.

What is the effect of temperature on Raoult's Law?

Practice Questions

Q1
What is the effect of temperature on Raoult's Law?
  1. It has no effect.
  2. It increases vapor pressure.
  3. It decreases vapor pressure.
  4. It only affects the solute.

Questions & Step-by-Step Solutions

What is the effect of temperature on Raoult's Law?
  • Step 1: Understand Raoult's Law, which states that the vapor pressure of a solvent in a solution is proportional to the mole fraction of the solvent.
  • Step 2: Recognize that temperature affects how much a substance can evaporate, which changes its vapor pressure.
  • Step 3: Realize that as temperature increases, the kinetic energy of the molecules also increases, leading to more molecules escaping into the vapor phase.
  • Step 4: Conclude that higher temperatures generally result in higher vapor pressures for both the solvent and the solution.
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