When is the attractive force considered dominant?
Understand the Problem
The question is asking about the conditions under which the attractive force between atoms becomes dominant. It essentially seeks to determine the scenarios provided in the options where this attractive force plays a more significant role compared to repulsive forces.
Answer
When molecules are farther apart, attractive forces dominate, typically at lower pressures.
The attractive force is dominant when molecules are farther away from each other, typically at lower pressures.
Answer for screen readers
The attractive force is dominant when molecules are farther away from each other, typically at lower pressures.
More Information
In gases, the distance between molecules plays a crucial role; as this increases, the forces between them transition from being predominantly repulsive to attractive due to diminished collisions.
Tips
A common mistake is assuming attractive forces are always dominant. The dominance depends on molecular distance and environmental conditions like pressure.
Sources
- When Z>1 are repulsive forces dominant or are attractive forces ... - chemistry.stackexchange.com
- 2.4: Real Gases - Chemistry LibreTexts - chem.libretexts.org
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