What is the effect of increasing temperature on physisorption?

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Question: What is the effect of increasing temperature on physisorption?

Options:

Correct Answer: Decreases adsorption

Solution:

Increasing temperature generally decreases physisorption because it disrupts the weak van der Waals forces.

What is the effect of increasing temperature on physisorption?

What is the effect of increasing temperature on physisorption?

Correct Answer: Increasing temperature decreases physisorption.

Step 1: Understand what physisorption is. It is the process where molecules stick to a surface through weak forces called van der Waals forces.
Step 2: Know that temperature is a measure of how much energy the molecules have. Higher temperature means more energy.
Step 3: Realize that when temperature increases, the energy of the molecules also increases.
Step 4: Understand that the increased energy can cause the molecules to move more vigorously.
Step 5: Recognize that the weak van der Waals forces that hold the molecules to the surface can be disrupted by this increased movement.
Step 6: Conclude that as temperature increases, the physisorption decreases because the molecules are less likely to stay attached to the surface.

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