Which of the following is a characteristic of adsorption isotherms?

Practice Questions

Q1
Which of the following is a characteristic of adsorption isotherms?
  1. They describe the relationship between pressure and volume.
  2. They describe the relationship between concentration and temperature.
  3. They describe the relationship between the amount of adsorbate and pressure at constant temperature.
  4. They describe the relationship between the amount of adsorbate and the surface area.

Questions & Step-by-Step Solutions

Which of the following is a characteristic of adsorption isotherms?
  • Step 1: Understand what adsorption means. It is the process where molecules stick to a surface.
  • Step 2: Know what an isotherm is. It is a curve that shows how something behaves at a constant temperature.
  • Step 3: Realize that adsorption isotherms show how much of the adsorbate (the substance being adsorbed) is on the surface at different pressures.
  • Step 4: Remember that this relationship is only valid when the temperature remains the same.
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