Exam-style question
Try this first
Which of the following statements is NOT an assumption of the ideal gas model?.
- A.Gas particles are in constant random motion.
- B.Gas particles collide elastically.
- C.Gas particles exert forces on each other.
- D.Gas particles occupy a large volume compared to their size.
Model answer
What a good answer should say
- Gas particles exert forces on each other.
Explanation
Why this works
This statement contradicts one of the fundamental assumptions of the ideal gas model, which assumes that there are no intermolecular forces acting between gas particles.
Common mistake
No common mistake is linked to this question yet.