2Particle Model Changes StateMedium1 mark
A sealed glass container contains 200 cm of oxygen at 100 C.
The container is cooled to 25 C.
Which row shows how the average kinetic energy of the oxygen molecules and the pressure inside the container change?
| average kinetic energy | pressure | |
|---|---|---|
| A | decreases | decreases |
| B | decreases | increases |
| C | increases | decreases |
| D | increases | increases |