Which of the following is true about the adsorption of gases on solids? (2023)

Practice Questions

Q1
Which of the following is true about the adsorption of gases on solids? (2023)
  1. It is always an exothermic process
  2. It is always an endothermic process
  3. It can be either exothermic or endothermic
  4. It does not involve energy changes

Questions & Step-by-Step Solutions

Which of the following is true about the adsorption of gases on solids? (2023)
  • Step 1: Understand what adsorption means. Adsorption is when gas molecules stick to the surface of a solid.
  • Step 2: Know that when gas molecules adhere to a solid, they release energy.
  • Step 3: Recognize that this release of energy is what makes the process exothermic.
  • Step 4: Conclude that the adsorption of gases on solids is typically an exothermic process.
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