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What is the primary factor affecting the rate of adsorption of a gas on a solid

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Question: What is the primary factor affecting the rate of adsorption of a gas on a solid surface?

Options:

  1. Temperature
  2. Pressure
  3. Surface area
  4. Molecular weight

Correct Answer: Surface area

Solution: 

The rate of adsorption increases with the surface area of the solid, as more surface provides more sites for gas molecules to adhere.

What is the primary factor affecting the rate of adsorption of a gas on a solid

Practice Questions

Q1
What is the primary factor affecting the rate of adsorption of a gas on a solid surface?
  1. Temperature
  2. Pressure
  3. Surface area
  4. Molecular weight

Questions & Step-by-Step Solutions

What is the primary factor affecting the rate of adsorption of a gas on a solid surface?
  • Step 1: Understand what adsorption means. Adsorption is when gas molecules stick to a solid surface.
  • Step 2: Recognize that the solid surface has a certain area where gas molecules can attach.
  • Step 3: Realize that if the solid has a larger surface area, there are more places for gas molecules to stick.
  • Step 4: Conclude that more surface area means more gas molecules can adhere, which increases the rate of adsorption.
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