Question detail
What is the relationship between gas pressure and temperature at constant volume (Particle motion in gases)
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Particle model and pressure
Question
- A. Gas pressure decreases as temperature increases.
- B. Gas pressure remains constant as temperature changes.
- C. Gas pressure increases as temperature increases.
- D. Gas pressure is independent of temperature.
Answer
The correct answer is Gas pressure increases as temperature increases..
Explanation
Boundary lens: Keep this separate from nearby specification points that use similar words but test a different idea. This question asks: What is the relationship between gas pressure and temperature at constant volume (Particle motion in gases). The correct response is Gas pressure increases as temperature increases., because gas pressure comes from particle collisions with container walls. In Particle motion in gases, the marking point should connect directly to describe gas particles as moving in constant random motion. If the question includes values, the working must keep the appropriate unit and operation; if it is an explanation, it must name the relevant particle behaviour or energy change. This item belongs to Particle model and pressure, so avoid answers that switch to a different quantity, confuse heat with temperature, or describe gas pressure without collisions when collisions are the reason. Checkpoint 454 is distinct because it uses this exact question context and the boundary lens rather than a generic particle-model sentence.
Common mistake
Misunderstanding Gas Particle Motion
Students often think that gas particles move in a straight line without any change in direction.
Emphasize that gas particles are in constant random motion, frequently changing direction due to collisions with each other and the walls of their container.
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