What happens when a gas expands at constant temperature?
PHYSICS
JAMB 1997
What happens when a gas expands at constant temperature?
- A. its pressure decreases
- B. the total momentum of its molecules remains constant
- C. its pressure decreases and the total momentum of its moleculees remains constant
- D. its pressure decreses and the total kinetic energy of its molecule decreases
Correct Answer: A. its pressure decreases
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